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Fuel log graph
Efficiency log for: The Truck - 2000 Chevy S10 Extended Cab
  • Lifetime Fuel Economy: 23.1 mpg (US), 10.2 L/100 km, 27.7 mpg (Imp)
  • 90-day Fuel Economy: 22.5 mpg (US), 10.5 L/100 km, 27 mpg (Imp)
  • 3-tank Fuel Economy: 22 mpg (US), 10.7 L/100 km, 26.4 mpg (Imp)
  • EPA Combined Rating / % over rating: 19 mpg (US) / 18.3% (based on 90-day fuel economy)
  • Total fills: 61
  • Average cost per gal/L: $1.99 per gal (US); $0.00 per L (price data entered for 1 fill/s)
  • Average cost per fill: $28.86
  • Average distance cost: $0.08 per mi. / $0.05 per km
  • Total fuel used: 865.08 gal (US), 3274.7 L
  • Total distance traveled: 19960.8 mi. / 32123.8 km
  • Total cost: $28.86
  • Total fuel saved vs. EPA: 185.5 gal. (US) / 702.2 L
  • Total saved: $369.15 (based on avg. cost per gal./L)
  • Average tank distance: 327.2 mi. / 526.6 km
Fill date Distance Fill amount Price Fuel Economy Details
2010-02-03 354 mi
569.71 km
15.8 gal (US)
13.16 gal (Imp)
59.81 L
532.46 kWh
22.41 mpg (US)
26.9 mpg (Imp)
10.5 L/100 km
4.46 gal (US)/100 mi
1504.12 Wh/mi
2010-01-18 315 mi
506.94 km
14.7 gal (US)
12.24 gal (Imp)
55.65 L
495.39 kWh
21.43 mpg (US)
25.74 mpg (Imp)
10.98 L/100 km
4.67 gal (US)/100 mi
1572.67 Wh/mi
very cold
2010-01-05 332 mi
534.3 km
15.1 gal (US)
12.57 gal (Imp)
57.16 L
508.87 kWh
21.99 mpg (US)
26.41 mpg (Imp)
10.7 L/100 km
4.55 gal (US)/100 mi
1532.74 Wh/mi
2009-12-05 337.4 mi
542.99 km
15 gal (US)
12.49 gal (Imp)
56.78 L
505.5 kWh
22.49 mpg (US)
27.01 mpg (Imp)
10.46 L/100 km
4.45 gal (US)/100 mi
1498.22 Wh/mi
2009-11-18 332 mi
534.3 km
14 gal (US)
11.66 gal (Imp)
53 L
471.8 kWh
23.71 mpg (US)
28.47 mpg (Imp)
9.92 L/100 km
4.22 gal (US)/100 mi
1421.08 Wh/mi
2009-11-08 325 mi
523.04 km
14.2 gal (US)
11.82 gal (Imp)
53.75 L
478.54 kWh
22.89 mpg (US)
27.5 mpg (Imp)
10.28 L/100 km
4.37 gal (US)/100 mi
1472.43 Wh/mi
moved - commute even shorter now <5 miles one way
I might bike this commute next summer - but limited shoulders on road
2009-10-18 333 mi
535.91 km
15.3 gal (US)
12.74 gal (Imp)
57.92 L
515.61 kWh
21.76 mpg (US)
26.14 mpg (Imp)
10.81 L/100 km
4.59 gal (US)/100 mi
1548.38 Wh/mi
2009-10-05 337.6 mi
543.31 km
14.4 gal (US)
11.99 gal (Imp)
54.51 L
485.28 kWh
23.44 mpg (US)
28.16 mpg (Imp)
10.03 L/100 km
4.27 gal (US)/100 mi
1437.44 Wh/mi
inserted additional winter grill block
2009-09-21 331.7 mi
533.82 km
14.5 gal (US)
12.07 gal (Imp)
54.89 L
488.65 kWh
22.88 mpg (US)
27.48 mpg (Imp)
10.28 L/100 km
4.37 gal (US)/100 mi
1473.17 Wh/mi
2009-09-01 317.7 mi
511.29 km
14.2 gal (US)
11.82 gal (Imp)
53.75 L
478.54 kWh
22.37 mpg (US)
26.88 mpg (Imp)
10.51 L/100 km
4.47 gal (US)/100 mi
1506.26 Wh/mi
full tank shorter commute
2009-08-10 351.4 mi
565.52 km
15.3 gal (US)
12.74 gal (Imp)
57.92 L
515.61 kWh
22.97 mpg (US)
27.58 mpg (Imp)
10.24 L/100 km
4.35 gal (US)/100 mi
1467.3 Wh/mi
no forward wheel covers
new brakes and rotors did not re install (one broke)
with new commute - limited highway speeds
holding out for new wheels and tires
2009-07-24 330.1 mi
531.24 km
14.7 gal (US)
12.24 gal (Imp)
55.65 L
495.39 kWh
22.46 mpg (US)
26.97 mpg (Imp)
10.48 L/100 km
4.45 gal (US)/100 mi
1500.73 Wh/mi
new commute - only ~ 7 miles half of old commute
good for fuel usage - bad on MPG
need to address warmup fuel usage
2009-07-04 282.8 mi
455.12 km
8.9 gal (US)
7.41 gal (Imp)
33.69 L
299.93 kWh
31.78 mpg (US)
38.16 mpg (Imp)
7.4 L/100 km
3.15 gal (US)/100 mi
1060.57 Wh/mi
All highway
trip up was 33mpg on SG
tough head wind on return trip
2009-07-02 131.2 mi
211.15 km
6.4 gal (US)
5.33 gal (Imp)
24.23 L
215.68 kWh
20.5 mpg (US)
24.62 mpg (Imp)
11.48 L/100 km
4.88 gal (US)/100 mi
1643.9 Wh/mi
top off for road trip
lot of short trips - but this seems too poor for no reason
filling error?
2009-06-25 377.8 mi
608.01 km
14.3 gal (US)
11.91 gal (Imp)
54.13 L
481.91 kWh
26.42 mpg (US)
31.72 mpg (Imp)
8.9 L/100 km
3.79 gal (US)/100 mi
1275.57 Wh/mi
~120 miles highway
2009-06-13 362.8 mi
583.87 km
14.95 gal (US)
12.45 gal (Imp)
56.59 L
503.82 kWh
24.27 mpg (US)
29.14 mpg (Imp)
9.69 L/100 km
4.12 gal (US)/100 mi
1388.7 Wh/mi
SG reporting tank mpg 23.9
2009-06-01 369.3 mi
594.33 km
15.1 gal (US)
12.57 gal (Imp)
57.16 L
508.87 kWh
24.46 mpg (US)
29.38 mpg (Imp)
9.62 L/100 km
4.09 gal (US)/100 mi
1377.93 Wh/mi
SG reporting 24.9 mpg
2009-05-18 364.6 mi
586.77 km
14.56 gal (US)
12.12 gal (Imp)
55.12 L
490.67 kWh
25.04 mpg (US)
30.08 mpg (Imp)
9.39 L/100 km
3.99 gal (US)/100 mi
1345.78 Wh/mi
Scan gauge right on and locked at -21.7%
2009-05-05 347.9 mi
559.89 km
13.9 gal (US)
11.57 gal (Imp)
52.62 L
468.43 kWh
25.03 mpg (US)
30.07 mpg (Imp)
9.4 L/100 km
4 gal (US)/100 mi
1346.45 Wh/mi
definitely the scan gauge correction is off
still dialing back in
2009-04-21 374.8 mi
603.18 km
14.1 gal (US)
11.74 gal (Imp)
53.37 L
475.17 kWh
26.58 mpg (US)
31.93 mpg (Imp)
8.85 L/100 km
3.76 gal (US)/100 mi
1267.8 Wh/mi
I believe this is a slight fill-up anomaly
But truck is running well
steady state performance issues is due to ECU reset
never properly reset the scan gauge correction
after disconnecting battery - Doh!
I feel I am close to baseline - let the mods continue!
2009-04-11 340 mi
547.18 km
15 gal (US)
12.49 gal (Imp)
56.78 L
505.5 kWh
22.67 mpg (US)
27.22 mpg (Imp)
10.38 L/100 km
4.41 gal (US)/100 mi
1486.76 Wh/mi
Still not getting good numbers in steady state tests
something still not right - but truck running fine
not sure I want to dismantle the injectors or not
2009-03-30 339 mi
545.57 km
14.8 gal (US)
12.32 gal (Imp)
56.02 L
498.76 kWh
22.91 mpg (US)
27.52 mpg (Imp)
10.27 L/100 km
4.37 gal (US)/100 mi
1471.27 Wh/mi
injector cleaner in last of tank
2009-03-16 359 mi
577.75 km
14.6 gal (US)
12.16 gal (Imp)
55.27 L
492.02 kWh
24.59 mpg (US)
29.52 mpg (Imp)
9.57 L/100 km
4.07 gal (US)/100 mi
1370.53 Wh/mi
2009-03-05 328 mi
527.86 km
14.4 gal (US)
11.99 gal (Imp)
54.51 L
485.28 kWh
22.78 mpg (US)
27.36 mpg (Imp)
10.33 L/100 km
4.39 gal (US)/100 mi
1479.51 Wh/mi
2009-02-24 355.3 mi
571.8 km
14.7 gal (US)
12.24 gal (Imp)
55.65 L
495.39 kWh
24.17 mpg (US)
29.03 mpg (Imp)
9.73 L/100 km
4.14 gal (US)/100 mi
1394.29 Wh/mi
FE up?? Warmer weather?
2009-02-16 313.9 mi
505.17 km
14.1 gal (US)
11.74 gal (Imp)
53.37 L
475.17 kWh
22.26 mpg (US)
26.74 mpg (Imp)
10.56 L/100 km
4.49 gal (US)/100 mi
1513.76 Wh/mi
2009-02-05 331 mi
532.69 km
14.6 gal (US)
12.16 gal (Imp)
55.27 L
492.02 kWh
22.67 mpg (US)
27.22 mpg (Imp)
10.38 L/100 km
4.41 gal (US)/100 mi
1486.47 Wh/mi
running smoother - FE still low??
2009-01-26 346.7 mi
557.96 km
15.6 gal (US)
12.99 gal (Imp)
59.05 L
525.72 kWh
22.22 mpg (US)
26.69 mpg (Imp)
10.58 L/100 km
4.5 gal (US)/100 mi
1516.35 Wh/mi
Reset ECU - still not quite right
2009-01-13 343 mi
552 km
15.6 gal (US)
12.99 gal (Imp)
59.05 L
525.72 kWh
21.99 mpg (US)
26.4 mpg (Imp)
10.7 L/100 km
4.55 gal (US)/100 mi
1532.71 Wh/mi
Rough Idle?
2009-01-02 316.5 mi
509.36 km
14.4 gal (US)
11.99 gal (Imp)
54.51 L
485.28 kWh
21.98 mpg (US)
26.4 mpg (Imp)
10.7 L/100 km
4.55 gal (US)/100 mi
1533.27 Wh/mi
Rough Idle ?
getting code for 3rd cylinder misfire
but got better (healing )
2008-12-12 334.4 mi
538.16 km
14.6 gal (US)
12.16 gal (Imp)
55.27 L
492.02 kWh
22.9 mpg (US)
27.5 mpg (Imp)
10.27 L/100 km
4.37 gal (US)/100 mi
1471.35 Wh/mi
cold & snow
2008-11-30 379.4 mi
610.59 km
14.6 gal (US)
12.16 gal (Imp)
55.27 L
492.02 kWh
25.99 mpg (US)
31.2 mpg (Imp)
9.05 L/100 km
3.85 gal (US)/100 mi
1296.84 Wh/mi
above average highway miles on this tank
2008-11-20 359.5 mi
578.56 km
14.6 gal (US)
12.16 gal (Imp)
55.27 L
492.02 kWh
24.62 mpg (US)
29.56 mpg (Imp)
9.55 L/100 km
4.06 gal (US)/100 mi
1368.62 Wh/mi
getting cold - effecting startup MPG
2008-11-14 342.2 mi
550.72 km
14.3 gal (US)
11.91 gal (Imp)
54.13 L
481.91 kWh
23.93 mpg (US)
28.73 mpg (Imp)
9.83 L/100 km
4.18 gal (US)/100 mi
1408.27 Wh/mi
2008-11-05 372.8 mi
599.96 km
14.4 gal (US)
11.99 gal (Imp)
54.51 L
485.28 kWh
25.89 mpg (US)
31.09 mpg (Imp)
9.09 L/100 km
3.86 gal (US)/100 mi
1301.72 Wh/mi
good weather no mech issues
2008-10-29 344.5 mi
554.42 km
14.5 gal (US)
12.07 gal (Imp)
54.89 L
488.65 kWh
$1.99
($28.86 total for this fill)
23.76 mpg (US)
28.54 mpg (Imp)
9.9 L/100 km
4.21 gal (US)/100 mi
1418.43 Wh/mi
tranny fixed - but some freezing weather
hope this is not the future for winter MPG
gas price is right though
2008-10-17 323 mi
519.82 km
14.2 gal (US)
11.82 gal (Imp)
53.75 L
478.54 kWh
22.75 mpg (US)
27.33 mpg (Imp)
10.34 L/100 km
4.4 gal (US)/100 mi
1481.55 Wh/mi
+50 miles of limp mode (stuck in 3rd gear)
2008-10-02 328.3 mi
528.35 km
14.3 gal (US)
11.91 gal (Imp)
54.13 L
481.91 kWh
22.96 mpg (US)
27.57 mpg (Imp)
10.25 L/100 km
4.36 gal (US)/100 mi
1467.9 Wh/mi
transmission issues
intermittent limp mode
2008-09-23 342.2 mi
550.72 km
13.9 gal (US)
11.57 gal (Imp)
52.62 L
468.43 kWh
24.62 mpg (US)
29.58 mpg (Imp)
9.55 L/100 km
4.06 gal (US)/100 mi
1368.88 Wh/mi
Belly pan under front bumper and forward engine by end of tank
2008-09-11 347 mi
558.44 km
14.1 gal (US)
11.74 gal (Imp)
53.37 L
475.17 kWh
24.61 mpg (US)
29.56 mpg (Imp)
9.56 L/100 km
4.06 gal (US)/100 mi
1369.37 Wh/mi
2008-09-04 351 mi
564.88 km
15.1 gal (US)
12.57 gal (Imp)
57.16 L
508.87 kWh
23.25 mpg (US)
27.92 mpg (Imp)
10.12 L/100 km
4.3 gal (US)/100 mi
1449.77 Wh/mi
first half of tank was a struggle for some reason
air dam installed just at the end of this tank
2008-08-25 350 mi
563.27 km
14.6 gal (US)
12.16 gal (Imp)
55.27 L
492.02 kWh
23.97 mpg (US)
28.78 mpg (Imp)
9.81 L/100 km
4.17 gal (US)/100 mi
1405.77 Wh/mi
hoping for better
had a few no A/C days
unheard of during August in Kansas
2008-08-16 319 mi
513.38 km
14.2 gal (US)
11.82 gal (Imp)
53.75 L
478.54 kWh
22.46 mpg (US)
26.99 mpg (Imp)
10.47 L/100 km
4.45 gal (US)/100 mi
1500.13 Wh/mi
??? but transmission now fixed
2008-08-08 234 mi
376.59 km
9.4 gal (US)
7.83 gal (Imp)
35.58 L
316.78 kWh
24.89 mpg (US)
29.89 mpg (Imp)
9.45 L/100 km
4.02 gal (US)/100 mi
1353.76 Wh/mi
2008-08-03 341 mi
548.79 km
14.2 gal (US)
11.82 gal (Imp)
53.75 L
478.54 kWh
24.01 mpg (US)
28.85 mpg (Imp)
9.79 L/100 km
4.16 gal (US)/100 mi
1403.34 Wh/mi
150 miles of highway testing
+20 miles of 18 mpg limp mode
transmission issue
2008-07-30 291 mi
468.32 km
12.1 gal (US)
10.07 gal (Imp)
45.8 L
407.77 kWh
24.05 mpg (US)
28.9 mpg (Imp)
9.78 L/100 km
4.16 gal (US)/100 mi
1401.27 Wh/mi
2008-07-25 348 mi
560.05 km
14.4 gal (US)
11.99 gal (Imp)
54.51 L
485.28 kWh
24.17 mpg (US)
29.02 mpg (Imp)
9.73 L/100 km
4.14 gal (US)/100 mi
1394.48 Wh/mi
Now have all 4 smooth wheel covers on
4 days between fill ups - need to ecomod my milage
2008-07-21 349 mi
561.66 km
14.1 gal (US)
11.74 gal (Imp)
53.37 L
475.17 kWh
24.75 mpg (US)
29.73 mpg (Imp)
9.5 L/100 km
4.04 gal (US)/100 mi
1361.52 Wh/mi
100 miles of highway - mini road trip
2008-07-14 314 mi
505.33 km
14.1 gal (US)
11.74 gal (Imp)
53.37 L
475.17 kWh
22.27 mpg (US)
26.75 mpg (Imp)
10.56 L/100 km
4.49 gal (US)/100 mi
1513.28 Wh/mi
RH wheels now have smooth covers
2008-07-06 328 mi
527.86 km
14.5 gal (US)
12.07 gal (Imp)
54.89 L
488.65 kWh
22.62 mpg (US)
27.17 mpg (Imp)
10.4 L/100 km
4.42 gal (US)/100 mi
1489.79 Wh/mi
2008-06-27 312 mi
502.12 km
14.5 gal (US)
12.07 gal (Imp)
54.89 L
488.65 kWh
21.52 mpg (US)
25.85 mpg (Imp)
10.93 L/100 km
4.65 gal (US)/100 mi
1566.19 Wh/mi
Getting Hot - A/C hurting FE
but better than it would be without mods
2008-06-20 354 mi
569.71 km
14.6 gal (US)
12.16 gal (Imp)
55.27 L
492.02 kWh
24.25 mpg (US)
29.11 mpg (Imp)
9.7 L/100 km
4.12 gal (US)/100 mi
1389.89 Wh/mi
surprised - this is with almost continuous A/C use, but I am learning how to stay cool and minimize fuel burn with scangauge.
Drained differential and refilled with synthetic during this tank.
2008-06-14 278 mi
447.4 km
13.1 gal (US)
10.91 gal (Imp)
49.59 L
441.47 kWh
21.22 mpg (US)
25.48 mpg (Imp)
11.08 L/100 km
4.71 gal (US)/100 mi
1588.02 Wh/mi
Electric fan mod installed - highly recommend this mod, obvious (but mild) performance boost, and I can now see the front of the engine and hear it without that stinking clutch fan in the way making noise.
2008-06-06 302 mi
486.02 km
14.6 gal (US)
12.16 gal (Imp)
55.27 L
492.02 kWh
20.68 mpg (US)
24.84 mpg (Imp)
11.37 L/100 km
4.83 gal (US)/100 mi
1629.21 Wh/mi
2008-05-29 271 mi
436.13 km
14 gal (US)
11.66 gal (Imp)
53 L
471.8 kWh
19.36 mpg (US)
23.24 mpg (Imp)
12.15 L/100 km
5.17 gal (US)/100 mi
1740.96 Wh/mi
Insulated intake - but this tank convinced me to remove it. I may re-insulate later in conjunction with ECU tune. This was the first tank with significant air-conditioning use and I now know (by way of the scan gauge) A/C was the main culprit.
2008-05-21 335 mi
539.13 km
13.5 gal (US)
11.24 gal (Imp)
51.1 L
454.95 kWh
24.81 mpg (US)
29.8 mpg (Imp)
9.48 L/100 km
4.03 gal (US)/100 mi
1358.06 Wh/mi
Scangauge installed, new intake, 100 miles of testing - steady state driving. This tank is an anomaly.
2008-05-15 306 mi
492.46 km
15.2 gal (US)
12.66 gal (Imp)
57.54 L
512.24 kWh
20.13 mpg (US)
24.17 mpg (Imp)
11.68 L/100 km
4.97 gal (US)/100 mi
1673.99 Wh/mi
partial grill block. experimented with full grill block and found mechanical clutch fans and hot restricted airflow lead to very noisy very draggy configuration. not recommended.
May try again after e-fan mod.
2008-05-05 296 mi
476.37 km
14.1 gal (US)
11.74 gal (Imp)
53.37 L
475.17 kWh
20.99 mpg (US)
25.21 mpg (Imp)
11.2 L/100 km
4.76 gal (US)/100 mi
1605.3 Wh/mi
bed cover install in middle of tank
2008-04-26 298 mi
479.58 km
14.36 gal (US)
11.96 gal (Imp)
54.36 L
483.93 kWh
20.75 mpg (US)
24.92 mpg (Imp)
11.33 L/100 km
4.82 gal (US)/100 mi
1623.93 Wh/mi
Trip to Windfield
2008-04-18 285 mi
458.66 km
14.67 gal (US)
12.21 gal (Imp)
55.53 L
494.38 kWh
19.43 mpg (US)
23.34 mpg (Imp)
12.11 L/100 km
5.15 gal (US)/100 mi
1734.67 Wh/mi
Tune up / maintenance - old spark plugs were very bad
2008-04-09 245 mi
394.29 km
15.04 gal (US)
12.52 gal (Imp)
56.93 L
506.85 kWh
16.29 mpg (US)
19.57 mpg (Imp)
14.44 L/100 km
6.14 gal (US)/100 mi
2068.78 Wh/mi
first tank after purchase

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


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