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Fuel log graph
Efficiency log for: VX Bucket - 1992 Honda Civic VX
  • Lifetime Fuel Economy: 48.1 mpg (US), 4.9 L/100 km, 57.8 mpg (Imp)
  • 90-day Fuel Economy: 51.7 mpg (US), 4.6 L/100 km, 62.1 mpg (Imp)
  • 3-tank Fuel Economy: 50.7 mpg (US), 4.6 L/100 km, 60.9 mpg (Imp)
  • EPA Combined Rating / % over rating: 43 mpg (US) / 20.2% (based on 90-day fuel economy)
  • Total fills: 48
  • Average cost per gal/L: $3.45 per gal (US); $0.00 per L (price data entered for 48 fill/s)
  • Average cost per fill: $29.90
  • Average distance cost: $0.07 per mi. / $0.04 per km
  • Total fuel used: 415.7 gal (US), 1573.6 L
  • Total distance traveled: 19991.1 mi. / 32172.6 km
  • Total cost: $1,435.10
  • Total fuel saved vs. EPA: 49.2 gal. (US) / 186.2 L
  • Total saved: $169.74 (based on avg. cost per gal./L)
  • Average tank distance: 416.5 mi. / 670.3 km
Fill date Distance Fill amount Price Fuel Economy Details
2014-09-12 470.3 mi
756.87 km
9.168 gal (US)
7.63 gal (Imp)
34.7 L
308.96 kWh
$3.609
($33.09 total for this fill)
51.3 mpg (US)
61.64 mpg (Imp)
4.58 L/100 km
1.95 gal (US)/100 mi
656.94 Wh/mi
2014-08-27 460.2 mi
740.62 km
8.808 gal (US)
7.33 gal (Imp)
33.34 L
296.83 kWh
$3.639
($32.05 total for this fill)
52.25 mpg (US)
62.78 mpg (Imp)
4.5 L/100 km
1.91 gal (US)/100 mi
645 Wh/mi
Replaced exhaust system from the j-pipe after the cat back. Muffler was rusted/damaged and there were serious exhaust leaks in the system.
2014-08-09 423.4 mi
681.4 km
8.745 gal (US)
7.28 gal (Imp)
33.1 L
294.71 kWh
$3.439
($30.07 total for this fill)
48.42 mpg (US)
58.16 mpg (Imp)
4.86 L/100 km
2.07 gal (US)/100 mi
696.06 Wh/mi
2014-07-21 492.1 mi
791.96 km
9.152 gal (US)
7.62 gal (Imp)
34.64 L
308.42 kWh
$3.469
($31.75 total for this fill)
53.77 mpg (US)
64.58 mpg (Imp)
4.37 L/100 km
1.86 gal (US)/100 mi
626.74 Wh/mi
Fred Meyer Gas, hot temps, muffler tip is gone and audible exhaust leaks at this point. New system is on order.
2014-06-30 463.4 mi
745.77 km
8.819 gal (US)
7.34 gal (Imp)
33.38 L
297.2 kWh
$3.599
($31.74 total for this fill)
52.55 mpg (US)
63.13 mpg (Imp)
4.48 L/100 km
1.9 gal (US)/100 mi
641.35 Wh/mi
Fred Meyer gas on fill up.
2014-06-10 463.1 mi
745.29 km
9.085 gal (US)
7.56 gal (Imp)
34.39 L
306.16 kWh
$3.699
($33.61 total for this fill)
50.97 mpg (US)
61.26 mpg (Imp)
4.61 L/100 km
1.96 gal (US)/100 mi
661.11 Wh/mi
Costco gas.
2014-05-20 469.9 mi
756.23 km
9.405 gal (US)
7.83 gal (Imp)
35.6 L
316.95 kWh
$3.679
($34.6 total for this fill)
49.96 mpg (US)
60.01 mpg (Imp)
4.71 L/100 km
2 gal (US)/100 mi
674.51 Wh/mi
Costco E10 gas, first time using their gas.
2014-04-26 395.6 mi
636.66 km
8.047 gal (US)
6.7 gal (Imp)
30.46 L
271.18 kWh
$3.539
($28.48 total for this fill)
49.16 mpg (US)
59.04 mpg (Imp)
4.78 L/100 km
2.03 gal (US)/100 mi
685.49 Wh/mi
2014-04-07 420.7 mi
677.05 km
9.058 gal (US)
7.54 gal (Imp)
34.29 L
305.25 kWh
$3.569
($32.33 total for this fill)
46.45 mpg (US)
55.8 mpg (Imp)
5.06 L/100 km
2.15 gal (US)/100 mi
725.58 Wh/mi
2014-03-15 427.6 mi
688.16 km
9.239 gal (US)
7.69 gal (Imp)
34.97 L
311.35 kWh
$3.439
($31.77 total for this fill)
46.28 mpg (US)
55.6 mpg (Imp)
5.08 L/100 km
2.16 gal (US)/100 mi
728.13 Wh/mi
2014-02-23 367.5 mi
591.43 km
6.769 gal (US)
5.64 gal (Imp)
25.62 L
228.12 kWh
$3.189
($21.59 total for this fill)
54.29 mpg (US)
65.16 mpg (Imp)
4.33 L/100 km
1.84 gal (US)/100 mi
620.73 Wh/mi
Oil change, tires to 50psi, round trip Portland to Roseburg.
2014-02-22 264.2 mi
425.19 km
6.22 gal (US)
5.18 gal (Imp)
23.55 L
209.61 kWh
$3.189
($19.84 total for this fill)
42.48 mpg (US)
51 mpg (Imp)
5.54 L/100 km
2.35 gal (US)/100 mi
793.38 Wh/mi
2014-02-10 420.7 mi
677.05 km
9.31 gal (US)
7.75 gal (Imp)
35.24 L
313.75 kWh
$3.149
($29.32 total for this fill)
45.19 mpg (US)
54.28 mpg (Imp)
5.2 L/100 km
2.21 gal (US)/100 mi
745.78 Wh/mi
bad weather, slow drivers, winter conditions aren't helping the mpg.
2014-01-24 437.6 mi
704.25 km
9.808 gal (US)
8.17 gal (Imp)
37.13 L
330.53 kWh
$2.899
($28.43 total for this fill)
44.62 mpg (US)
53.56 mpg (Imp)
5.27 L/100 km
2.24 gal (US)/100 mi
755.32 Wh/mi
2014-01-09 394.9 mi
635.53 km
9.249 gal (US)
7.7 gal (Imp)
35.01 L
311.69 kWh
$3.079
($28.48 total for this fill)
42.7 mpg (US)
51.29 mpg (Imp)
5.51 L/100 km
2.34 gal (US)/100 mi
789.29 Wh/mi
Very overdue for an oil change and the previous fill-up seemed to be an incomplete fill bloating the last tank's numbers and hurting this tank.
2013-12-24 391.6 mi
630.22 km
8.411 gal (US)
7 gal (Imp)
31.84 L
283.45 kWh
$3.099
($26.07 total for this fill)
46.56 mpg (US)
55.94 mpg (Imp)
5.05 L/100 km
2.15 gal (US)/100 mi
723.83 Wh/mi
Seemed like it wasn't a complete fill, likely improving this reading and hurting the next tank's #'s
2013-12-06 367.1 mi
590.79 km
8.218 gal (US)
6.84 gal (Imp)
31.11 L
276.95 kWh
$3.169
($26.04 total for this fill)
44.67 mpg (US)
53.67 mpg (Imp)
5.27 L/100 km
2.24 gal (US)/100 mi
754.43 Wh/mi
Cold weather continues to kill my mpg, overdue for an oil change.
2013-11-12 418.2 mi
673.03 km
9.019 gal (US)
7.51 gal (Imp)
34.14 L
303.94 kWh
$3.089
($27.86 total for this fill)
46.37 mpg (US)
55.69 mpg (Imp)
5.07 L/100 km
2.16 gal (US)/100 mi
726.78 Wh/mi
Due for an oil change, Temps are dropping.
2013-10-22 437.5 mi
704.09 km
8.736 gal (US)
7.27 gal (Imp)
33.07 L
294.4 kWh
$3.329
($29.08 total for this fill)
50.08 mpg (US)
60.18 mpg (Imp)
4.7 L/100 km
2 gal (US)/100 mi
672.91 Wh/mi
2013-10-04 448.1 mi
721.15 km
9.169 gal (US)
7.64 gal (Imp)
34.71 L
309 kWh
$3.319
($30.43 total for this fill)
48.87 mpg (US)
58.65 mpg (Imp)
4.81 L/100 km
2.05 gal (US)/100 mi
689.58 Wh/mi
Cold weather, driver's side tires were ~10psi lower than normal (checked after refueling).
2013-09-11 477.8 mi
768.94 km
8.728 gal (US)
7.27 gal (Imp)
33.04 L
294.13 kWh
$3.559
($31.06 total for this fill)
54.74 mpg (US)
65.72 mpg (Imp)
4.3 L/100 km
1.83 gal (US)/100 mi
615.59 Wh/mi
2013-08-21 433.9 mi
698.29 km
8.506 gal (US)
7.08 gal (Imp)
32.2 L
286.65 kWh
$3.419
($29.08 total for this fill)
51.01 mpg (US)
61.29 mpg (Imp)
4.61 L/100 km
1.96 gal (US)/100 mi
660.64 Wh/mi
2013-08-06 484.5 mi
779.73 km
9.154 gal (US)
7.62 gal (Imp)
34.65 L
308.49 kWh
$3.329
($30.47 total for this fill)
52.93 mpg (US)
63.58 mpg (Imp)
4.44 L/100 km
1.89 gal (US)/100 mi
636.72 Wh/mi
2013-07-18 454.4 mi
731.29 km
8.813 gal (US)
7.34 gal (Imp)
33.36 L
297 kWh
$3.399
($29.96 total for this fill)
51.56 mpg (US)
61.91 mpg (Imp)
4.56 L/100 km
1.94 gal (US)/100 mi
653.61 Wh/mi
2013-07-04 442 mi
711.33 km
8.494 gal (US)
7.07 gal (Imp)
32.15 L
286.25 kWh
$3.599
($30.57 total for this fill)
52.04 mpg (US)
62.52 mpg (Imp)
4.52 L/100 km
1.92 gal (US)/100 mi
647.62 Wh/mi
2013-06-15 441.7 mi
710.85 km
8.829 gal (US)
7.35 gal (Imp)
33.42 L
297.54 kWh
$3.679
($32.48 total for this fill)
50.03 mpg (US)
60.1 mpg (Imp)
4.7 L/100 km
2 gal (US)/100 mi
673.62 Wh/mi
2013-05-24 440.8 mi
709.4 km
8.934 gal (US)
7.44 gal (Imp)
33.82 L
301.08 kWh
$3.679
($32.87 total for this fill)
49.34 mpg (US)
59.25 mpg (Imp)
4.77 L/100 km
2.03 gal (US)/100 mi
683.03 Wh/mi
2013-05-07 416.2 mi
669.81 km
8.039 gal (US)
6.69 gal (Imp)
30.43 L
270.91 kWh
$3.669
($29.5 total for this fill)
51.77 mpg (US)
62.21 mpg (Imp)
4.54 L/100 km
1.93 gal (US)/100 mi
650.91 Wh/mi
New rotor, plugs, transmission oil change, valve adjustment (all loose and out of spec).
2013-04-28 405 mi
651.78 km
8.249 gal (US)
6.87 gal (Imp)
31.23 L
277.99 kWh
$3.399
($28.04 total for this fill)
49.1 mpg (US)
58.95 mpg (Imp)
4.79 L/100 km
2.04 gal (US)/100 mi
686.4 Wh/mi
new distributor cap ~1/2 way into the tank, definite corrosion on the previous one, checked tire pressure at the last 1/4 tank with all tires being about 48psi, added air back to 51psi for sidewall rating.
2013-04-16 387.2 mi
623.14 km
7.913 gal (US)
6.59 gal (Imp)
29.95 L
266.67 kWh
$3.499
($27.69 total for this fill)
48.93 mpg (US)
58.76 mpg (Imp)
4.81 L/100 km
2.04 gal (US)/100 mi
688.71 Wh/mi
Oil change ~250 miles into the tank, blend of 5W-30 and 10W-30. Temps vary with time of day significantly.
2013-04-02 406 mi
653.39 km
8.53 gal (US)
7.1 gal (Imp)
32.29 L
287.46 kWh
$3.299
($28.14 total for this fill)
47.6 mpg (US)
57.18 mpg (Imp)
4.94 L/100 km
2.1 gal (US)/100 mi
708.03 Wh/mi
2013-03-15 473.2 mi
761.54 km
9.812 gal (US)
8.17 gal (Imp)
37.14 L
330.66 kWh
$3.689
($36.2 total for this fill)
48.23 mpg (US)
57.92 mpg (Imp)
4.88 L/100 km
2.07 gal (US)/100 mi
698.77 Wh/mi
New Sumitomo HTR T4 165/70R13 tires, weather has started warming up again.
2013-02-26 411.7 mi
662.57 km
9.294 gal (US)
7.74 gal (Imp)
35.18 L
313.21 kWh
$3.599
($33.45 total for this fill)
44.3 mpg (US)
53.19 mpg (Imp)
5.31 L/100 km
2.26 gal (US)/100 mi
760.77 Wh/mi
Front tire had been going flat, not sure how long that was happening this tank.
2013-02-08 367.9 mi
592.08 km
8.092 gal (US)
6.74 gal (Imp)
30.63 L
272.7 kWh
$3.329
($26.94 total for this fill)
45.46 mpg (US)
54.58 mpg (Imp)
5.17 L/100 km
2.2 gal (US)/100 mi
741.23 Wh/mi
Warm air intake appears to be helping quite a bit along with a small increase in ambient temps.
2013-01-27 387.6 mi
623.78 km
9.501 gal (US)
7.91 gal (Imp)
35.97 L
320.18 kWh
$3.149
($29.92 total for this fill)
40.8 mpg (US)
49 mpg (Imp)
5.77 L/100 km
2.45 gal (US)/100 mi
826.06 Wh/mi
2013-01-11 333 mi
535.91 km
8.27 gal (US)
6.89 gal (Imp)
31.31 L
278.7 kWh
$3.149
($26.04 total for this fill)
40.27 mpg (US)
48.33 mpg (Imp)
5.84 L/100 km
2.48 gal (US)/100 mi
836.94 Wh/mi
2012-12-16 376.3 mi
605.6 km
8.608 gal (US)
7.17 gal (Imp)
32.58 L
290.09 kWh
$3.089
($26.59 total for this fill)
43.72 mpg (US)
52.48 mpg (Imp)
5.38 L/100 km
2.29 gal (US)/100 mi
770.9 Wh/mi
cold and rainy. This weather is killing my mileage. Plans to install the WAI in the next tank and further block portions of the front grille.
2012-12-06 340.3 mi
547.66 km
7.969 gal (US)
6.64 gal (Imp)
30.17 L
268.56 kWh
$3.149
($25.09 total for this fill)
42.7 mpg (US)
51.25 mpg (Imp)
5.51 L/100 km
2.34 gal (US)/100 mi
789.19 Wh/mi
Continued cold weather, rain, taller tires in the rear until I get new tires all around
2012-11-24 388.5 mi
625.23 km
8.879 gal (US)
7.39 gal (Imp)
33.61 L
299.22 kWh
$3.199
($28.4 total for this fill)
43.75 mpg (US)
52.57 mpg (Imp)
5.38 L/100 km
2.29 gal (US)/100 mi
770.19 Wh/mi
Ground strap had corroded apart, engine struggled to start before it failed completely. 50/50 city/highway driving, LOTS of rain and colder temperatures.
2012-11-10 390.6 mi
628.61 km
7.825 gal (US)
6.52 gal (Imp)
29.62 L
263.7 kWh
$3.299
($25.81 total for this fill)
49.92 mpg (US)
59.91 mpg (Imp)
4.71 L/100 km
2 gal (US)/100 mi
675.12 Wh/mi
2012-11-04 486.4 mi
782.78 km
9.566 gal (US)
7.97 gal (Imp)
36.21 L
322.37 kWh
$3.399
($32.51 total for this fill)
50.85 mpg (US)
61.03 mpg (Imp)
4.63 L/100 km
1.97 gal (US)/100 mi
662.77 Wh/mi
Air dam installed around the 370 mile mark, based upon initial results, it accounted for a 2mpg increase for freeway driving.
2012-10-27 382 mi
614.77 km
8.237 gal (US)
6.86 gal (Imp)
31.18 L
277.59 kWh
$3.659
($30.14 total for this fill)
46.38 mpg (US)
55.69 mpg (Imp)
5.07 L/100 km
2.16 gal (US)/100 mi
726.68 Wh/mi
MPGuino installed 80 miles into the tank
cold weather and rain the majority of the tank.
2012-10-16 453.4 mi
729.68 km
8.917 gal (US)
7.42 gal (Imp)
33.75 L
300.5 kWh
$3.879
($34.59 total for this fill)
50.85 mpg (US)
61.11 mpg (Imp)
4.63 L/100 km
1.97 gal (US)/100 mi
662.77 Wh/mi
New low profile wipers, first 150 miles were highway at 60 mph on average.
2012-10-06 402.9 mi
648.4 km
8.379 gal (US)
6.98 gal (Imp)
31.72 L
282.37 kWh
$3.899
($32.67 total for this fill)
48.08 mpg (US)
57.72 mpg (Imp)
4.89 L/100 km
2.08 gal (US)/100 mi
700.84 Wh/mi
No significant changes since the last fill.
2012-09-25 410.3 mi
660.31 km
8.209 gal (US)
6.83 gal (Imp)
31.07 L
276.64 kWh
$3.779
($31.02 total for this fill)
49.98 mpg (US)
60.07 mpg (Imp)
4.71 L/100 km
2 gal (US)/100 mi
674.24 Wh/mi
Further pipe insulation grille block off, more efforts to use DFCO and coasting. Typical highway driving 1-5mph below posted speed limit.
2012-09-15 406.3 mi
653.88 km
8.57 gal (US)
7.14 gal (Imp)
32.44 L
288.81 kWh
$3.799
($32.56 total for this fill)
47.41 mpg (US)
56.9 mpg (Imp)
4.96 L/100 km
2.11 gal (US)/100 mi
710.83 Wh/mi
Installed temporary partial grille block off with pipe insulation and zip-ties.
2012-09-08 409 mi
658.22 km
9.132 gal (US)
7.6 gal (Imp)
34.57 L
307.75 kWh
$3.99
($36.44 total for this fill)
44.79 mpg (US)
53.82 mpg (Imp)
5.25 L/100 km
2.23 gal (US)/100 mi
752.44 Wh/mi
First tank of exclusively my driving, roughly 50/50 city highway. Using this as the baseline for determining improvements of future mods.
2012-08-27 348.5 mi
560.86 km
7.815 gal (US)
6.51 gal (Imp)
29.58 L
263.37 kWh
$3.869
($30.24 total for this fill)
44.59 mpg (US)
53.53 mpg (Imp)
5.27 L/100 km
2.24 gal (US)/100 mi
755.72 Wh/mi
Initial fill up after purchase, first 220 miles were from the previous owner who appeared to be very heavy on the gas and revved well above 3k during acceleration.

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


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