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Fuel log graph
Efficiency log for: Gnatmobile - 1996 Geo Metro LSI
  • Lifetime Fuel Economy: 43.5 mpg (US), 5.4 L/100 km, 52.3 mpg (Imp)
  • 90-day Fuel Economy: 44.7 mpg (US), 5.3 L/100 km, 53.7 mpg (Imp)
  • 3-tank Fuel Economy: 42.1 mpg (US), 5.6 L/100 km, 50.6 mpg (Imp)
  • EPA Combined Rating / % over rating: 40.5 mpg (US) / 10.3% (based on 90-day fuel economy)
  • Total fills: 91
  • Average cost per gal/L: $3.71 per gal (US); $0.00 per L (price data entered for 82 fill/s)
  • Average cost per fill: $27.87
  • Average distance cost: $0.08 per mi. / $0.05 per km
  • Total fuel used: 685.58 gal (US), 2595.2 L
  • Total distance traveled: 29842.2 mi. / 48026.3 km
  • Total cost: $2,285.63
  • Total fuel saved vs. EPA: 51.3 gal. (US) / 194.2 L
  • Total saved: $190.32 (based on avg. cost per gal./L)
  • Average tank distance: 327.9 mi. / 527.8 km
Fill date Distance Fill amount Price Fuel Economy Details
2016-01-20 338.3 mi
544.44 km
7.571 gal (US)
6.3 gal (Imp)
28.66 L
255.14 kWh
$2.799
($21.19 total for this fill)
44.68 mpg (US)
53.7 mpg (Imp)
5.26 L/100 km
2.24 gal (US)/100 mi
754.18 Wh/mi
91 octane tank - normal driving
2015-12-27 295 mi
474.76 km
6.893 gal (US)
5.74 gal (Imp)
26.09 L
232.29 kWh
$2.979
($20.53 total for this fill)
42.8 mpg (US)
51.39 mpg (Imp)
5.5 L/100 km
2.34 gal (US)/100 mi
787.42 Wh/mi
First full tank with Advance timing sprocket - not really hypermiled but more freeway than normal. lowered timing to 15 degrees advance - 93 octane. Also, halfway through this tank I swapped in the 195degree superstant thermostat (instead of the 180) and replaced the fan relay (hooray, the fan finally works!)
2015-12-09 267 mi
429.69 km
6.906 gal (US)
5.75 gal (Imp)
26.14 L
232.73 kWh
$2.699
($18.64 total for this fill)
38.66 mpg (US)
46.43 mpg (Imp)
6.08 L/100 km
2.59 gal (US)/100 mi
871.65 Wh/mi
1st tank with new performance head, SS valves, 3Tech Econo Cam and +10 sprocket BUT I mistakenly installed everything in the stock orientation (not advanced). No noticeable economy or performance gains in this orientation. Some hypermiling
2015-06-11 280.8 mi
451.9 km
7.186 gal (US)
5.98 gal (Imp)
27.2 L
242.17 kWh
$2.679
($19.25 total for this fill)
39.08 mpg (US)
46.96 mpg (Imp)
6.02 L/100 km
2.56 gal (US)/100 mi
862.43 Wh/mi
2014-08-01 361.4 mi
581.62 km
8.609 gal (US)
7.17 gal (Imp)
32.59 L
290.12 kWh
$3.799
($32.71 total for this fill)
41.98 mpg (US)
50.4 mpg (Imp)
5.6 L/100 km
2.38 gal (US)/100 mi
802.77 Wh/mi
AC broke so this tank didn't use it. Added 2 qts oil
2014-05-09 298.6 mi
480.55 km
7.262 gal (US)
6.05 gal (Imp)
27.49 L
244.73 kWh
$3.96
($28.76 total for this fill)
41.12 mpg (US)
49.36 mpg (Imp)
5.72 L/100 km
2.43 gal (US)/100 mi
819.59 Wh/mi
Some AC use no hypermiling uneven fill spot (low nose)
2014-04-30 324.2 mi
521.75 km
8.33 gal (US)
6.94 gal (Imp)
31.53 L
280.72 kWh
38.92 mpg (US)
46.71 mpg (Imp)
6.04 L/100 km
2.57 gal (US)/100 mi
865.89 Wh/mi
2014-04-20 324.2 mi
521.75 km
8.33 gal (US)
6.94 gal (Imp)
31.53 L
280.72 kWh
38.92 mpg (US)
46.71 mpg (Imp)
6.04 L/100 km
2.57 gal (US)/100 mi
865.89 Wh/mi
2014-04-10 324.2 mi
521.75 km
8.33 gal (US)
6.94 gal (Imp)
31.53 L
280.72 kWh
38.92 mpg (US)
46.71 mpg (Imp)
6.04 L/100 km
2.57 gal (US)/100 mi
865.89 Wh/mi
2014-04-05 279 mi
449.01 km
7.252 gal (US)
6.04 gal (Imp)
27.45 L
244.39 kWh
$4.299
($31.18 total for this fill)
38.47 mpg (US)
46.19 mpg (Imp)
6.11 L/100 km
2.6 gal (US)/100 mi
875.95 Wh/mi
2014-03-23 332 mi
534.3 km
8.847 gal (US)
7.37 gal (Imp)
33.49 L
298.14 kWh
$3.799
($33.61 total for this fill)
37.53 mpg (US)
45.05 mpg (Imp)
6.27 L/100 km
2.66 gal (US)/100 mi
898.01 Wh/mi
Topped off Oil, PSI, and water. No hypermiling
2014-02-26 347.1 mi
558.6 km
8.543 gal (US)
7.11 gal (Imp)
32.34 L
287.9 kWh
$3.699
($31.6 total for this fill)
40.63 mpg (US)
48.82 mpg (Imp)
5.79 L/100 km
2.46 gal (US)/100 mi
829.44 Wh/mi
2014-02-20 321.1 mi
516.76 km
8.75 gal (US)
7.29 gal (Imp)
33.12 L
294.88 kWh
36.7 mpg (US)
44.05 mpg (Imp)
6.41 L/100 km
2.73 gal (US)/100 mi
918.34 Wh/mi
2014-02-20 321 mi
516.6 km
8.75 gal (US)
7.29 gal (Imp)
33.12 L
294.88 kWh
36.69 mpg (US)
44.03 mpg (Imp)
6.41 L/100 km
2.73 gal (US)/100 mi
918.63 Wh/mi
2014-01-01 311.7 mi
501.63 km
7.516 gal (US)
6.26 gal (Imp)
28.45 L
253.29 kWh
$3.539
($26.6 total for this fill)
41.47 mpg (US)
49.79 mpg (Imp)
5.67 L/100 km
2.41 gal (US)/100 mi
812.61 Wh/mi
Mostly city, little hypermiling
2013-12-13 268.4 mi
431.95 km
7.343 gal (US)
6.12 gal (Imp)
27.8 L
247.46 kWh
$3.499
($25.69 total for this fill)
36.55 mpg (US)
43.86 mpg (Imp)
6.44 L/100 km
2.74 gal (US)/100 mi
921.98 Wh/mi
Not hypermiling, removed bellypan, changed oil, put wipers back on
2013-07-06 306.9 mi
493.91 km
7.874 gal (US)
6.56 gal (Imp)
29.81 L
265.35 kWh
$3.859
($30.39 total for this fill)
38.98 mpg (US)
46.78 mpg (Imp)
6.04 L/100 km
2.57 gal (US)/100 mi
864.61 Wh/mi
60% ac use, current mods include: Fabricated front lip and side skirts as, rear fender skirts, full bellypan
2013-06-06 324.7 mi
522.55 km
7.925 gal (US)
6.6 gal (Imp)
30 L
267.07 kWh
$3.799
($30.11 total for this fill)
40.97 mpg (US)
49.2 mpg (Imp)
5.74 L/100 km
2.44 gal (US)/100 mi
822.51 Wh/mi
90% Road trip tank with 50% AC use. SD to Santa Monica and back

First tank without boat tail, front air dam, and fender gap fillers. Moved License plate into front grill as partial grill block

Also higher temps were bothering me and I realized the radiator was low on coolant. My bad, wonder how long that was going on...
2013-03-22 399 mi
642.13 km
8.26 gal (US)
6.88 gal (Imp)
31.27 L
278.36 kWh
$3.979
($32.87 total for this fill)
48.31 mpg (US)
57.99 mpg (Imp)
4.87 L/100 km
2.07 gal (US)/100 mi
697.64 Wh/mi
No engine off coasting, attention to hypermiling
2013-02-28 353.8 mi
569.39 km
8.83 gal (US)
7.35 gal (Imp)
33.43 L
297.57 kWh
$4.159
($36.72 total for this fill)
40.07 mpg (US)
48.14 mpg (Imp)
5.87 L/100 km
2.5 gal (US)/100 mi
841.07 Wh/mi
Kill switch is still broken so no EOC.
2013-02-06 382.4 mi
615.41 km
8.206 gal (US)
6.83 gal (Imp)
31.06 L
276.54 kWh
$3.859
($31.67 total for this fill)
46.6 mpg (US)
55.99 mpg (Imp)
5.05 L/100 km
2.15 gal (US)/100 mi
723.17 Wh/mi
minimum engine off coasting - kill switch still isn't working for some reason
2013-01-18 377.6 mi
607.69 km
8.36 gal (US)
6.96 gal (Imp)
31.65 L
281.73 kWh
$3.539
($29.59 total for this fill)
45.17 mpg (US)
54.25 mpg (Imp)
5.21 L/100 km
2.21 gal (US)/100 mi
746.11 Wh/mi
First normal commute tank with boat tail
hypermiled BUT my kill switch isn't working for some reason so very little engine-off coasting.
Also accidentally spilled some fuel at fillip (overshook the car)
2013-01-01 403 mi
648.57 km
8.44 gal (US)
7.03 gal (Imp)
31.95 L
284.43 kWh
$3.499
($29.53 total for this fill)
47.75 mpg (US)
57.33 mpg (Imp)
4.93 L/100 km
2.09 gal (US)/100 mi
705.78 Wh/mi
ROAD TRIP: FULL BOAT TAIL Maiden Voyage. One tank Tucson to SD, posted highway speeds (61MPH tank avg)
2013-01-01 239.5 mi
385.44 km
5.538 gal (US)
4.61 gal (Imp)
20.96 L
186.63 kWh
$2.819
($15.61 total for this fill)
43.25 mpg (US)
51.95 mpg (Imp)
5.44 L/100 km
2.31 gal (US)/100 mi
779.25 Wh/mi
ROAD TRIP Gila Bend to Tucson + around Town
averaged MPG between last tank and this because of a severely unlevel surface at gas station last time
SG tank avg speed 41
2012-12-25 305.3 mi
491.33 km
7.059 gal (US)
5.88 gal (Imp)
26.72 L
237.89 kWh
$3.459
($24.42 total for this fill)
43.25 mpg (US)
51.92 mpg (Imp)
5.44 L/100 km
2.31 gal (US)/100 mi
779.2 Wh/mi
ROAD TRIP: SD to Gila bend
SG avg speed 64mph
Night time zero traffic, posted highway speeds, no drafting of any kind (combined w next tank to get accurate fill data because of a steep grade at gas station)
2012-12-24 226.1 mi
363.87 km
5.258 gal (US)
4.38 gal (Imp)
19.9 L
177.19 kWh
$3.479
($18.29 total for this fill)
43 mpg (US)
51.62 mpg (Imp)
5.47 L/100 km
2.33 gal (US)/100 mi
783.68 Wh/mi
LOTS of maintenance performed:
4-wheel allignment (rear tires had uneven wear)
Spark Plugs (platinum autolites)
Spark Plug Wires
Air Filter
Timing Belt
Water Pump
Various Gaskets and re-tensioned loose belts
Added LED turn signals to front
Removed Trailing 2' of bellypan that always hangs low
2012-12-14 370.7 mi
596.58 km
8.252 gal (US)
6.87 gal (Imp)
31.24 L
278.09 kWh
$3.499
($28.87 total for this fill)
44.92 mpg (US)
53.96 mpg (Imp)
5.24 L/100 km
2.23 gal (US)/100 mi
750.18 Wh/mi
Hypermiled
2012-11-26 372.3 mi
599.16 km
8.083 gal (US)
6.73 gal (Imp)
30.6 L
272.4 kWh
$3.659
($29.58 total for this fill)
46.06 mpg (US)
55.32 mpg (Imp)
5.11 L/100 km
2.17 gal (US)/100 mi
731.67 Wh/mi
Hypermiled - all mods in good order
2012-11-10 320.2 mi
515.31 km
6.821 gal (US)
5.68 gal (Imp)
25.82 L
229.87 kWh
$3.729
($25.44 total for this fill)
46.94 mpg (US)
56.37 mpg (Imp)
5.01 L/100 km
2.13 gal (US)/100 mi
717.9 Wh/mi
Road trip tank - no hypermiling 65-70mph from SD to Vegas (death valley)
2012-11-10 274.8 mi
442.25 km
6.076 gal (US)
5.06 gal (Imp)
23 L
204.76 kWh
$3.959
($24.05 total for this fill)
45.23 mpg (US)
54.31 mpg (Imp)
5.2 L/100 km
2.21 gal (US)/100 mi
745.12 Wh/mi
2/3ds normal commute hypermiled, 1/3 freeway road trip at 65mph and my wife overfilled the tank (spilling it) - pretty happy all things considered the mod repairs are really making a significant difference.
2012-11-08 340.5 mi
547.98 km
8.061 gal (US)
6.71 gal (Imp)
30.51 L
271.66 kWh
$3.74
($30.15 total for this fill)
42.24 mpg (US)
50.75 mpg (Imp)
5.57 L/100 km
2.37 gal (US)/100 mi
797.83 Wh/mi
ROAD TRIP - return from Las Vegas to SD 65-70mph terrible headwind at beginning of tank. No hypermiling
2012-10-31 286.6 mi
461.24 km
6.086 gal (US)
5.07 gal (Imp)
23.04 L
205.1 kWh
$3.899
($23.73 total for this fill)
47.09 mpg (US)
56.53 mpg (Imp)
5 L/100 km
2.12 gal (US)/100 mi
715.63 Wh/mi
Mid tank Fully redesigned the bellypan which has been hanging down like an air-brake since about 3 weeks after it's original installation. Things are lookin' nice and slick down there now. Hypermiled with wife driving 40% of the tank
2012-10-19 384.4 mi
618.63 km
8.072 gal (US)
6.72 gal (Imp)
30.56 L
272.03 kWh
$4.399
($35.51 total for this fill)
47.62 mpg (US)
57.2 mpg (Imp)
4.94 L/100 km
2.1 gal (US)/100 mi
707.67 Wh/mi
Finally fixed all my dilapidated mods (new front valance, new grill block, repaired bellypan, topped off all tires w air, added 1.6qts oil. Renewed attention to hypermiling
2012-10-04 304.3 mi
489.72 km
7.88 gal (US)
6.56 gal (Imp)
29.83 L
265.56 kWh
$4.199
($33.09 total for this fill)
38.62 mpg (US)
46.39 mpg (Imp)
6.09 L/100 km
2.59 gal (US)/100 mi
872.69 Wh/mi
Full time AC use (HOT weather) - hypermiled
2012-09-05 335.7 mi
540.26 km
7.719 gal (US)
6.43 gal (Imp)
29.22 L
260.13 kWh
$3.999
($30.87 total for this fill)
43.49 mpg (US)
52.21 mpg (Imp)
5.41 L/100 km
2.3 gal (US)/100 mi
774.89 Wh/mi
hypermiling, some AC use - many mods in disrepair
2012-08-05 313.8 mi
505.01 km
7.697 gal (US)
6.41 gal (Imp)
29.14 L
259.39 kWh
$3.699
($28.47 total for this fill)
40.77 mpg (US)
48.95 mpg (Imp)
5.77 L/100 km
2.45 gal (US)/100 mi
826.61 Wh/mi
No hypermiling - car was lent out to a friend
2012-07-10 387.6 mi
623.78 km
7.835 gal (US)
6.52 gal (Imp)
29.66 L
264.04 kWh
$3.559
($27.88 total for this fill)
49.47 mpg (US)
59.45 mpg (Imp)
4.75 L/100 km
2.02 gal (US)/100 mi
681.22 Wh/mi
Hypermiled, mild AC use. 29mph avg
2012-06-20 368.7 mi
593.37 km
9.019 gal (US)
7.51 gal (Imp)
34.14 L
303.94 kWh
$3.899
($35.17 total for this fill)
40.88 mpg (US)
49.09 mpg (Imp)
5.75 L/100 km
2.45 gal (US)/100 mi
824.36 Wh/mi
Hypermiled but had to use AC some, also I think the increased grill opening I made for the AZ triple digit heat road trip is effecting my MPG now that I'm back on the coast
2012-06-05 293.5 mi
472.34 km
7.667 gal (US)
6.38 gal (Imp)
29.02 L
258.38 kWh
$4.049
($31.04 total for this fill)
38.28 mpg (US)
46 mpg (Imp)
6.14 L/100 km
2.61 gal (US)/100 mi
880.34 Wh/mi
ROAD TRIP leg5: Gila Bend to SD @ night. Mild some ac use 65+70 mph
2012-06-05 302 mi
486.02 km
6.426 gal (US)
5.35 gal (Imp)
24.33 L
216.56 kWh
$3.899
($25.05 total for this fill)
47 mpg (US)
56.45 mpg (Imp)
5.01 L/100 km
2.13 gal (US)/100 mi
717.09 Wh/mi
ROAD TRIP leg4: Prescott to Phx to Gila Bend. Nice coast down from Prescott, driving in PHX and to Gila Bend however was triple digit heat with the ac on at 60+MPH
2012-06-04 277.9 mi
447.24 km
7.863 gal (US)
6.55 gal (Imp)
29.76 L
264.98 kWh
$3.719
($29.24 total for this fill)
35.34 mpg (US)
42.43 mpg (Imp)
6.65 L/100 km
2.83 gal (US)/100 mi
953.51 Wh/mi
ROAD TRIP leg3 Tucson to Prescott : zero hypermilimg 107+deg heat, high speeds, extended steep uphill climbs, AC used when possible (off and on to prevent overheating)
*new mod: high performance window tint blocks 65% of heat
2012-05-30 314.1 mi
505.49 km
7.645 gal (US)
6.37 gal (Imp)
28.94 L
257.64 kWh
$3.579
($27.36 total for this fill)
41.09 mpg (US)
49.31 mpg (Imp)
5.73 L/100 km
2.43 gal (US)/100 mi
820.25 Wh/mi
ROAD TRIP leg2 Yuma to Saguarito - 60MPG w AC in 100deg+ weather
2012-05-28 225.8 mi
363.39 km
4.59 gal (US)
3.82 gal (Imp)
17.38 L
154.68 kWh
$3.849
($17.67 total for this fill)
49.19 mpg (US)
59.11 mpg (Imp)
4.78 L/100 km
2.03 gal (US)/100 mi
685.03 Wh/mi
ROAD TRIP leg1 SD to Yuma @ night - nice long coast down backside of mountain
2012-05-25 374.8 mi
603.18 km
7.979 gal (US)
6.64 gal (Imp)
30.2 L
268.89 kWh
$4.139
($33.03 total for this fill)
46.97 mpg (US)
56.45 mpg (Imp)
5.01 L/100 km
2.13 gal (US)/100 mi
717.42 Wh/mi
Hypermiled except a couple of commutes where I had to drive 65, also had some mild AC use on this tank
2012-05-17 380.7 mi
612.68 km
7.901 gal (US)
6.58 gal (Imp)
29.91 L
266.26 kWh
$4.179
($33.02 total for this fill)
48.18 mpg (US)
57.86 mpg (Imp)
4.88 L/100 km
2.08 gal (US)/100 mi
699.4 Wh/mi
hypermiled, changed the oil to 0W430 synthetic, added a small belly pan to the front valence extention and a grille opening to help it cool better in hot weather
2012-05-02 395.3 mi
636.17 km
8.044 gal (US)
6.7 gal (Imp)
30.45 L
271.08 kWh
$4.099
($32.97 total for this fill)
49.14 mpg (US)
59 mpg (Imp)
4.79 L/100 km
2.03 gal (US)/100 mi
685.76 Wh/mi
hypermiling - added 1 qt oil (needs more)
2012-04-20 395.8 mi
636.98 km
7.706 gal (US)
6.42 gal (Imp)
29.17 L
259.69 kWh
$4.239
($32.67 total for this fill)
51.36 mpg (US)
61.65 mpg (Imp)
4.58 L/100 km
1.95 gal (US)/100 mi
656.11 Wh/mi
First tank with the new front valence lowering my stagnation point to bottom of car. hypermiling
2012-04-05 387.9 mi
624.26 km
8.486 gal (US)
7.07 gal (Imp)
32.12 L
285.98 kWh
$4.159
($35.29 total for this fill)
45.71 mpg (US)
54.87 mpg (Imp)
5.15 L/100 km
2.19 gal (US)/100 mi
737.25 Wh/mi
Finally pinned up my belly pan near the end of this tank, it's been draggin for a while now.
2012-03-16 396.5 mi
638.1 km
8.334 gal (US)
6.94 gal (Imp)
31.55 L
280.86 kWh
$4.239
($35.33 total for this fill)
47.58 mpg (US)
57.13 mpg (Imp)
4.94 L/100 km
2.1 gal (US)/100 mi
708.35 Wh/mi
Refocused energy on maximum hypermiling, I think all my aeromods have allowed me to develop some bad habits of driving too fast and not coasting enough. I redoubled my efforts to get the most out of every drop of gas
2012-03-03 352.9 mi
567.94 km
7.928 gal (US)
6.6 gal (Imp)
30.01 L
267.17 kWh
$4.199
($33.29 total for this fill)
44.51 mpg (US)
53.47 mpg (Imp)
5.28 L/100 km
2.25 gal (US)/100 mi
757.07 Wh/mi
hypermiling and engine off coasting as much as possible. I gave up on doing 1.5 tank fill-ups - that was a waste of time
2012-02-23 525.9 mi
846.35 km
12.487 gal (US)
10.4 gal (Imp)
47.27 L
420.81 kWh
$4.14
($51.7 total for this fill)
42.12 mpg (US)
50.57 mpg (Imp)
5.59 L/100 km
2.37 gal (US)/100 mi
800.17 Wh/mi
1.5 tanks, hypermiled
2012-01-27 552.1 mi
888.52 km
11.761 gal (US)
9.79 gal (Imp)
44.52 L
396.35 kWh
$3.579
($42.09 total for this fill)
46.94 mpg (US)
56.39 mpg (Imp)
5.01 L/100 km
2.13 gal (US)/100 mi
717.9 Wh/mi
Added an ebay aftermarket Intake at the beginning of the tank. Lots of hypermiling and engine off coasting. Added oil stopleak. This was my first try of combining a full tank with a 4 gallon booster to carry less weight in fuel
2012-01-04 354.8 mi
571 km
8.475 gal (US)
7.06 gal (Imp)
32.08 L
285.61 kWh
$3.499
($29.65 total for this fill)
41.86 mpg (US)
50.25 mpg (Imp)
5.62 L/100 km
2.39 gal (US)/100 mi
804.99 Wh/mi
Road Trip Tank#3: Gila Bend to SD at 65-75MPH! Timed it right to have tank more empty for the big hill climb. Had enough gas left over for 1 regular commute to work and back. Last tank of 91 octane because I'm back in SD where gas is expensive
2011-12-31 411.9 mi
662.89 km
8.047 gal (US)
6.7 gal (Imp)
30.46 L
271.18 kWh
$3.719
($29.93 total for this fill)
51.19 mpg (US)
61.48 mpg (Imp)
4.6 L/100 km
1.95 gal (US)/100 mi
658.36 Wh/mi
Road trip Tank#2! Gila Bend to Tucson, probably 30 miles hypermiling around Tucson, Then back to Gila Bend @ 65 -70MPH no drafting of any kind 91 OCTANE instead of my reg 87
NEW MODS: 1) Fixed broken headlight connector and I now have the ability to engine off coast at night without losing the headlights (yaaay!). 2) 4xPizza Pan flushmount hubcaps. My original abs+zipties had failed long ago so I've only had front hubcaps but I finally remedied this.
2011-12-25 292.3 mi
470.41 km
6.941 gal (US)
5.78 gal (Imp)
26.27 L
233.91 kWh
$3.659
($25.4 total for this fill)
42.11 mpg (US)
50.57 mpg (Imp)
5.58 L/100 km
2.37 gal (US)/100 mi
800.24 Wh/mi
ROAD TRIP tank 1 (IB to Gila Bend). 60mph, no drafting of any kind.
Added 2 qts 5W30
NEW MODS: Front tire spatts, Sealed Radiator, slightly decreased radiator grill block. Officially shaved Emblem, windshield sprayer nozzles, and antenna.
2011-12-25 236.6 mi
380.77 km
5.336 gal (US)
4.44 gal (Imp)
20.2 L
179.82 kWh
$3.599
($19.2 total for this fill)
44.34 mpg (US)
53.29 mpg (Imp)
5.31 L/100 km
2.26 gal (US)/100 mi
760.02 Wh/mi
continued hypermiling, regular commute. Starting to drive 60 more often than 55
2011-12-13 404.6 mi
651.14 km
8.074 gal (US)
6.72 gal (Imp)
30.56 L
272.09 kWh
$3.858
($31.15 total for this fill)
50.11 mpg (US)
60.21 mpg (Imp)
4.69 L/100 km
2 gal (US)/100 mi
672.49 Wh/mi
Upgraded scangauge arrived mid-tank. 2 trips to San clemente and back 65mph. Looks like kamm really performs well at speeds
2011-12-09 387.4 mi
623.46 km
8.415 gal (US)
7.01 gal (Imp)
31.85 L
283.59 kWh
$3.459
($29.11 total for this fill)
46.04 mpg (US)
55.26 mpg (Imp)
5.11 L/100 km
2.17 gal (US)/100 mi
732.03 Wh/mi
1st half of tank is Road trip tank Yuma/SD regular speeds following trucks on 91 octane as an experiment. 2nd half is my regular commute
2011-12-02 326.2 mi
524.97 km
6.726 gal (US)
5.6 gal (Imp)
25.46 L
226.67 kWh
$3.519
($23.67 total for this fill)
48.5 mpg (US)
58.25 mpg (Imp)
4.85 L/100 km
2.06 gal (US)/100 mi
694.88 Wh/mi
Road trip tank #3: Tucson to Yuma on 89 Octane. 65-70MPH following trucks
2011-12-02 327.8 mi
527.54 km
6.73 gal (US)
5.6 gal (Imp)
25.48 L
226.8 kWh
$3.199
($21.53 total for this fill)
48.71 mpg (US)
58.54 mpg (Imp)
4.83 L/100 km
2.05 gal (US)/100 mi
691.89 Wh/mi
Road trip tank 2 El Centro to Tucson @ night, 70mph following trucks.
2011-11-30 327.5 mi
527.06 km
7.327 gal (US)
6.1 gal (Imp)
27.74 L
246.92 kWh
$3.739
($27.4 total for this fill)
44.7 mpg (US)
53.69 mpg (Imp)
5.26 L/100 km
2.24 gal (US)/100 mi
753.95 Wh/mi
200 miles normal commute, the rest is road trip. Was able to keep the grill block on for the whole hill climb and kept my speed around 60-65 though mostly following trucks. The hill climb sucks but I was able to engine off coast for a ten mile stretch on the backside . Small amount of AC use
2011-11-17 427.3 mi
687.67 km
7.873 gal (US)
6.56 gal (Imp)
29.8 L
265.32 kWh
$3.639
($28.65 total for this fill)
54.27 mpg (US)
65.14 mpg (Imp)
4.33 L/100 km
1.84 gal (US)/100 mi
620.92 Wh/mi
RANGE AND MPG RECORD!!! During this tank I removed, vinyl wrapped, replaced, and gap filled all mods. Near the end of the tank I re-did the kammback to radius the corners and bring the angle to match the optimum teardrop shape. Back to EOff coasting when possible.
2011-10-28 346.5 mi
557.64 km
8.583 gal (US)
7.15 gal (Imp)
32.49 L
289.25 kWh
$3.83
($32.87 total for this fill)
40.37 mpg (US)
48.46 mpg (Imp)
5.83 L/100 km
2.48 gal (US)/100 mi
834.78 Wh/mi
This tank is Horrible for 2 reasons: 1) the car was running rougher and rougher every day and I thought I smelled burning oil so I checked and i was 4 quarts low (SCARY!). I added oil and it's running great now but it pretty much wrecked this tank. 2) I filled up at a crazy incline (which is why there are more gallons than the tank is big)
2011-10-13 397.7 mi
640.04 km
7.667 gal (US)
6.38 gal (Imp)
29.02 L
258.38 kWh
$3.699
($28.36 total for this fill)
51.87 mpg (US)
62.34 mpg (Imp)
4.53 L/100 km
1.93 gal (US)/100 mi
649.69 Wh/mi
Absolutely no engine off coasting this tank. This is the first tank since resetting the SG so one more tank like this then I can go back to EOcoasting. Other than that just hypermiling and keeping speed limited to 55 as much as possible.
2011-10-03 313 mi
503.72 km
6.616 gal (US)
5.51 gal (Imp)
25.04 L
222.96 kWh
$3.759
($24.87 total for this fill)
47.31 mpg (US)
56.81 mpg (Imp)
4.97 L/100 km
2.11 gal (US)/100 mi
712.33 Wh/mi
engine off coasting, speed limited to 55 as much as possible - didn't get to run the tank down all the way to E this time cuz I was a part of a caravan and had to fill early
2011-09-25 401.3 mi
645.83 km
7.981 gal (US)
6.65 gal (Imp)
30.21 L
268.96 kWh
$3.759
($30 total for this fill)
50.28 mpg (US)
60.35 mpg (Imp)
4.68 L/100 km
1.99 gal (US)/100 mi
670.22 Wh/mi
RANGE and MPG RECORD! over 400 mi woot - best mpg to date YES . mid-tank added the full bellypan extension and did some cleaning, smoothing, and improvements to the front bellypan. Lots of engine off gliding, my skills are improving here
2011-09-15 374.4 mi
602.54 km
8.043 gal (US)
6.7 gal (Imp)
30.45 L
271.05 kWh
$3.839
($30.88 total for this fill)
46.55 mpg (US)
55.88 mpg (Imp)
5.05 L/100 km
2.15 gal (US)/100 mi
723.96 Wh/mi
Lots of engine off gliding, tried to take every opportunity. Pulse and engine off glide even when more hectic to do so. 65-55 P+G on freeways. no AC use
2011-08-31 294.8 mi
474.43 km
8.608 gal (US)
7.17 gal (Imp)
32.58 L
290.09 kWh
$3.919
($33.73 total for this fill)
34.25 mpg (US)
41.12 mpg (Imp)
6.87 L/100 km
2.92 gal (US)/100 mi
984.02 Wh/mi
Phx to SD roadtrip. Triple digit heat, constant AC use, no engine off coasting. Pulsed to 70 glided to 55 for most of the trip. No grill block used but i did add front fender splats and removed wiper blades.
2011-08-31 151.2 mi
243.33 km
4.023 gal (US)
3.35 gal (Imp)
15.23 L
135.58 kWh
$3.479
($14 total for this fill)
37.58 mpg (US)
45.13 mpg (Imp)
6.26 L/100 km
2.66 gal (US)/100 mi
896.69 Wh/mi
Tucson-Phx roadtrip. triple digit heat required AC use the entire time and no engine off coasting. Pulsed to 65-coasted to 55 for most of the drive. No grill block used but i did add front fender splats and removed wiper blades.
2011-08-31 311.3 mi
500.99 km
7.679 gal (US)
6.39 gal (Imp)
29.07 L
258.78 kWh
$3.259
($25.03 total for this fill)
40.54 mpg (US)
48.72 mpg (Imp)
5.8 L/100 km
2.47 gal (US)/100 mi
831.29 Wh/mi
this tucson road-trip tank was on 89 octane with a splash of acetone. Did as much hipermiling as possible considering triple digit heat requiring use of AC. Pulse to 75 in 4th gear, coast to 55. No grill block used but i did add front fender splats and removed wiper blades.
2011-08-28 256.7 mi
413.12 km
5.685 gal (US)
4.73 gal (Imp)
21.52 L
191.58 kWh
$3.599
($20.46 total for this fill)
45.15 mpg (US)
54.27 mpg (Imp)
5.21 L/100 km
2.21 gal (US)/100 mi
746.32 Wh/mi
Anaheim to SD in 5th gear then SD to Yuma in 5th gear. both with the AC on
2011-08-26 256.4 mi
412.64 km
6.338 gal (US)
5.28 gal (Imp)
23.99 L
213.59 kWh
$3.839
($24.33 total for this fill)
40.45 mpg (US)
48.56 mpg (Imp)
5.81 L/100 km
2.47 gal (US)/100 mi
833.03 Wh/mi
Refilled early but whole tank was Pulse in 3rd gear with AC off to 65, Glide with engine and AC on to 55 and repeat. Not my best tank but considering the speed I needed to go and heat in which I had to do it I think it was good?
2011-08-25 329.6 mi
530.44 km
7.509 gal (US)
6.25 gal (Imp)
28.42 L
253.05 kWh
$3.579
($26.87 total for this fill)
43.89 mpg (US)
52.74 mpg (Imp)
5.36 L/100 km
2.28 gal (US)/100 mi
767.75 Wh/mi
nothing new, still using some acetone until I finish the bottle.
2011-08-12 308.2 mi
496 km
7.198 gal (US)
5.99 gal (Imp)
27.25 L
242.57 kWh
$3.579
($25.76 total for this fill)
42.82 mpg (US)
51.45 mpg (Imp)
5.49 L/100 km
2.34 gal (US)/100 mi
787.05 Wh/mi
half of this tank was the hard part of our drive back from AZ (the giant hill with the AC on at 65MPH), the other half I tried to extreme hipermile. I did seal up all the gaps on my aeromods using vinyl sticker which I suspect makes them significantly more effective. I tried adding a splash of 100% natural acetone to the gas tank also
2011-08-04 265.7 mi
427.6 km
5.824 gal (US)
4.85 gal (Imp)
22.05 L
196.27 kWh
$3.299
($19.21 total for this fill)
45.62 mpg (US)
54.78 mpg (Imp)
5.16 L/100 km
2.19 gal (US)/100 mi
738.69 Wh/mi
2nd tank on our road trip. Tried 89 octane just cuz it was cheaper in AZ than CA 87. Still nonstop AC use and we had a tire blowout on this trip after vibrating us to death for 15 minutes. Probably not the best for FE
2011-08-01 330 mi
531.08 km
7.848 gal (US)
6.54 gal (Imp)
29.71 L
264.48 kWh
$3.399
($26.68 total for this fill)
42.05 mpg (US)
50.46 mpg (Imp)
5.59 L/100 km
2.38 gal (US)/100 mi
801.45 Wh/mi
Road trip to phx, tires re-aired to 50 psi. August in the desert requires full time use of the ac system which pretty much wrecked my mpg
2011-07-30 353.2 mi
568.42 km
7.531 gal (US)
6.27 gal (Imp)
28.51 L
253.79 kWh
$3.699
($27.86 total for this fill)
46.9 mpg (US)
56.33 mpg (Imp)
5.02 L/100 km
2.13 gal (US)/100 mi
718.54 Wh/mi
2nd tank w/Kammback, topped off oil with 0W-30
2011-07-20 374.6 mi
602.86 km
7.726 gal (US)
6.43 gal (Imp)
29.25 L
260.37 kWh
$3.679
($28.42 total for this fill)
48.49 mpg (US)
58.26 mpg (Imp)
4.85 L/100 km
2.06 gal (US)/100 mi
695.06 Wh/mi
First tank with the Kammback version 1.0
So pleased with the results
2011-07-10 334.3 mi
538 km
7.858 gal (US)
6.54 gal (Imp)
29.75 L
264.81 kWh
$3.59
($28.21 total for this fill)
42.54 mpg (US)
51.12 mpg (Imp)
5.53 L/100 km
2.35 gal (US)/100 mi
792.13 Wh/mi
Some engine off coasting, some AC use, had to carry around some really heavy stuff for a while. I added the Kammback then drove to the gas station so the next tank will show how it does.
2011-06-26 342.9 mi
551.84 km
8.189 gal (US)
6.82 gal (Imp)
31 L
275.97 kWh
$3.99
($32.67 total for this fill)
41.87 mpg (US)
50.28 mpg (Imp)
5.62 L/100 km
2.39 gal (US)/100 mi
804.81 Wh/mi
lots of Engine Off Coasting, but a long trip with AC on as well
2011-06-10 320 mi
514.99 km
7.538 gal (US)
6.28 gal (Imp)
28.53 L
254.03 kWh
$3.699
($27.88 total for this fill)
42.45 mpg (US)
50.96 mpg (Imp)
5.54 L/100 km
2.36 gal (US)/100 mi
793.84 Wh/mi
Changed oil to 50/50 mix of 0W-30 and 5W-30. No Engine off Coasting on this tank and a malfunctioning pump spilled a little of the pump gas
2011-05-31 277.2 mi
446.11 km
6.449 gal (US)
5.37 gal (Imp)
24.41 L
217.33 kWh
$3.839
($24.76 total for this fill)
42.98 mpg (US)
51.62 mpg (Imp)
5.47 L/100 km
2.33 gal (US)/100 mi
784.02 Wh/mi
2011-05-17 339.4 mi
546.21 km
7.88 gal (US)
6.56 gal (Imp)
29.83 L
265.56 kWh
43.07 mpg (US)
51.74 mpg (Imp)
5.46 L/100 km
2.32 gal (US)/100 mi
782.44 Wh/mi
2011-05-02 254.8 mi
410.06 km
5.56 gal (US)
4.63 gal (Imp)
21.05 L
187.37 kWh
$4.1
($22.8 total for this fill)
45.83 mpg (US)
55.03 mpg (Imp)
5.13 L/100 km
2.18 gal (US)/100 mi
735.36 Wh/mi
one particularly long stop and go traffic jam on this trip, I also re-installed the driver's side exterior mirror as the interior ones just weren't working well and it was becoming unsafe
2011-04-25 300 mi
482.8 km
7.55 gal (US)
6.29 gal (Imp)
28.58 L
254.44 kWh
39.74 mpg (US)
47.69 mpg (Imp)
5.92 L/100 km
2.52 gal (US)/100 mi
848.13 Wh/mi
2011-04-13 336.8 mi
542.03 km
7.512 gal (US)
6.26 gal (Imp)
28.44 L
253.15 kWh
44.83 mpg (US)
53.8 mpg (Imp)
5.25 L/100 km
2.23 gal (US)/100 mi
751.63 Wh/mi
Lent the car out for a while so didn't get mpg data during that time. This is the first time I've actually driven a whole tank. I usually only drive a half tank then get curious about the mpg so I fill up. This tank was my best and I think it's because I drove it down to the bottom which means I wasn't carrying as much weight in fuel for half the trip.
2011-02-11 276 mi
444.18 km
6.586 gal (US)
5.48 gal (Imp)
24.93 L
221.95 kWh
$3.279
($21.6 total for this fill)
41.91 mpg (US)
50.36 mpg (Imp)
5.61 L/100 km
2.39 gal (US)/100 mi
804.17 Wh/mi
For the duration of this tank I removed the windshield wipers. Midway through the tank I added tape to smooth the transition to sideskirts, deleted both side mirrors, added a kill switch, and a scangauge II. Late in the tank, I added my front Belly Pan. Again I added Lucas Fuel Cleaner
2011-01-24 266 mi
428.09 km
6.364 gal (US)
5.3 gal (Imp)
24.09 L
214.47 kWh
$3.159
($20.1 total for this fill)
41.8 mpg (US)
50.19 mpg (Imp)
5.63 L/100 km
2.39 gal (US)/100 mi
806.28 Wh/mi
This is the first full tank with smooth hubcaps. I also used Lucas Fuel Cleaner
2011-01-13 273.4 mi
439.99 km
6.347 gal (US)
5.29 gal (Imp)
24.03 L
213.89 kWh
$3.199
($20.3 total for this fill)
43.08 mpg (US)
51.68 mpg (Imp)
5.46 L/100 km
2.32 gal (US)/100 mi
782.33 Wh/mi
I lent the car out for one day on this tank (not hipermiled) but near the end of the tank I added completely smooth wheelcovers. I also added 2oz Lucas Fuel additive again
2011-01-03 264.6 mi
425.83 km
6.493 gal (US)
5.41 gal (Imp)
24.58 L
218.81 kWh
$3.199
($20.77 total for this fill)
40.75 mpg (US)
48.91 mpg (Imp)
5.77 L/100 km
2.45 gal (US)/100 mi
826.95 Wh/mi
During this tank I added: Rear fender skirts, full grill block
2010-12-15 148.7 mi
239.31 km
3.864 gal (US)
3.22 gal (Imp)
14.63 L
130.22 kWh
38.48 mpg (US)
46.18 mpg (Imp)
6.11 L/100 km
2.6 gal (US)/100 mi
875.72 Wh/mi
during this tank I changed the oil, air filter, and put the tires to 45PSI

View: spreadsheet friendly fuel log output (for copy/paste)


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