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Fuel log graph
Efficiency log for: Coby - 2010 Chevrolet Cobalt LT
  • Lifetime Fuel Economy: 33.6 mpg (US), 7 L/100 km, 40.4 mpg (Imp)
  • 90-day Fuel Economy: 32 mpg (US), 7.3 L/100 km, 38.5 mpg (Imp)
  • 3-tank Fuel Economy: 31.4 mpg (US), 7.5 L/100 km, 37.6 mpg (Imp)
  • EPA Combined Rating / % over rating: 27 mpg (US) / 18.6% (based on 90-day fuel economy)
  • Total fills: 54
  • Average cost per gal/L: $2.45 per gal (US); $0.00 per L (price data entered for 53 fill/s)
  • Average cost per fill: $26.92
  • Average distance cost: $0.07 per mi. / $0.05 per km
  • Total fuel used: 593.99 gal (US), 2248.5 L
  • Total distance traveled: 19983.4 mi. / 32160.1 km
  • Total cost: $1,426.98
  • Total fuel saved vs. EPA: 146.1 gal. (US) / 553 L
  • Total saved: $357.95 (based on avg. cost per gal./L)
  • Average tank distance: 370.1 mi. / 595.6 km
Fill date Distance Fill amount Price Fuel Economy Details
2016-11-27 351.1 mi
565.04 km
10.294 gal (US)
8.57 gal (Imp)
38.97 L
346.91 kWh
$1.899
($19.55 total for this fill)
34.11 mpg (US)
40.97 mpg (Imp)
6.9 L/100 km
2.93 gal (US)/100 mi
988.07 Wh/mi
Trip to Green Bay
2016-11-23 333.2 mi
536.23 km
11.463 gal (US)
9.54 gal (Imp)
43.39 L
386.3 kWh
$1.999
($22.91 total for this fill)
29.07 mpg (US)
34.93 mpg (Imp)
8.09 L/100 km
3.44 gal (US)/100 mi
1159.36 Wh/mi
2016-11-14 365 mi
587.41 km
11.714 gal (US)
9.75 gal (Imp)
44.34 L
394.76 kWh
$1.919
($22.48 total for this fill)
31.16 mpg (US)
37.44 mpg (Imp)
7.55 L/100 km
3.21 gal (US)/100 mi
1081.53 Wh/mi
2016-11-05 331.9 mi
534.14 km
9.969 gal (US)
8.3 gal (Imp)
37.74 L
335.96 kWh
$1.999
($19.93 total for this fill)
33.29 mpg (US)
39.99 mpg (Imp)
7.07 L/100 km
3 gal (US)/100 mi
1012.23 Wh/mi
2016-09-15 355.8 mi
572.6 km
10.784 gal (US)
8.98 gal (Imp)
40.82 L
363.42 kWh
$2.079
($22.42 total for this fill)
32.99 mpg (US)
39.62 mpg (Imp)
7.13 L/100 km
3.03 gal (US)/100 mi
1021.42 Wh/mi
Fillup at Costco again. This tank was all 7-Eleven gas.
2016-08-26 352.7 mi
567.62 km
10.197 gal (US)
8.49 gal (Imp)
38.6 L
343.64 kWh
$2.199
($22.42 total for this fill)
34.59 mpg (US)
41.54 mpg (Imp)
6.8 L/100 km
2.89 gal (US)/100 mi
974.31 Wh/mi
Fillup at 7-Eleven
2016-08-22 302.6 mi
486.99 km
9.142 gal (US)
7.61 gal (Imp)
34.61 L
308.09 kWh
$2.079
($19.01 total for this fill)
33.1 mpg (US)
39.76 mpg (Imp)
7.11 L/100 km
3.02 gal (US)/100 mi
1018.14 Wh/mi
2016-08-11 378.6 mi
609.3 km
10.508 gal (US)
8.75 gal (Imp)
39.78 L
354.12 kWh
$2.079
($21.85 total for this fill)
36.03 mpg (US)
43.27 mpg (Imp)
6.53 L/100 km
2.78 gal (US)/100 mi
935.34 Wh/mi
2016-07-30 397.1 mi
639.07 km
11.285 gal (US)
9.4 gal (Imp)
42.72 L
380.3 kWh
$2.049
($23.12 total for this fill)
35.19 mpg (US)
42.24 mpg (Imp)
6.68 L/100 km
2.84 gal (US)/100 mi
957.69 Wh/mi
Driving from Albert Lea MN to home. Warm, thunder but no rain. AC on, slower speeds due to WI speed limit.
2016-07-27 334.2 mi
537.84 km
10.284 gal (US)
8.56 gal (Imp)
38.93 L
346.57 kWh
$2.039
($20.97 total for this fill)
32.5 mpg (US)
39.04 mpg (Imp)
7.24 L/100 km
3.08 gal (US)/100 mi
1037.01 Wh/mi
Fill up in Albert Lea, MN. Calm weather for drive home. AC on full time.
2016-07-27 372.9 mi
600.12 km
10.586 gal (US)
8.81 gal (Imp)
40.07 L
356.75 kWh
$2.359
($24.97 total for this fill)
35.23 mpg (US)
42.33 mpg (Imp)
6.68 L/100 km
2.84 gal (US)/100 mi
956.69 Wh/mi
Fill up in Oacoma, SD on way home. Tank included Sundance to Devils Tower, and lots of black hills driving.
2016-07-26 359.8 mi
579.04 km
10.76 gal (US)
8.96 gal (Imp)
40.73 L
362.61 kWh
$2.399
($25.81 total for this fill)
33.44 mpg (US)
40.16 mpg (Imp)
7.03 L/100 km
2.99 gal (US)/100 mi
1007.81 Wh/mi
Fill up at Sundance, WY. Drove to Mt. Rushmore, Hill City, and Crazy Horse.
2016-07-24 348.9 mi
561.5 km
11.288 gal (US)
9.4 gal (Imp)
42.73 L
380.41 kWh
$2.329
($26.29 total for this fill)
30.91 mpg (US)
37.12 mpg (Imp)
7.61 L/100 km
3.24 gal (US)/100 mi
1090.31 Wh/mi
Road Trip. 1880 Station in Midland, SD. Fair amount of puttering around Souix Falls. 95* with Massive headwind. AC on at all times. Freeway speeds 75-85, with few exceptions for construction. And of course a couple hundred pounds of junk in the car.
2016-07-23 419.7 mi
675.44 km
11.658 gal (US)
9.71 gal (Imp)
44.13 L
392.87 kWh
$2.09
($24.37 total for this fill)
36 mpg (US)
43.22 mpg (Imp)
6.53 L/100 km
2.78 gal (US)/100 mi
936.07 Wh/mi
Road trip. Super America in Jackson, MN. Slower speeds due to fog, strong thunderstorms. AC on most of the way.
2016-07-22 355.8 mi
572.6 km
10.242 gal (US)
8.53 gal (Imp)
38.77 L
345.16 kWh
$2.089
($21.4 total for this fill)
34.74 mpg (US)
41.71 mpg (Imp)
6.77 L/100 km
2.88 gal (US)/100 mi
970.1 Wh/mi
Normal boring commuting
2016-07-19 374 mi
601.89 km
10.243 gal (US)
8.53 gal (Imp)
38.77 L
345.19 kWh
$2.169
($22.22 total for this fill)
36.51 mpg (US)
43.85 mpg (Imp)
6.44 L/100 km
2.74 gal (US)/100 mi
922.97 Wh/mi
Tank from Bellevue Costco. Otherwise largely normal boring commuting. HOT
2016-07-03 389.8 mi
627.32 km
10.581 gal (US)
8.81 gal (Imp)
40.05 L
356.58 kWh
$2.289
($24.22 total for this fill)
36.84 mpg (US)
44.25 mpg (Imp)
6.38 L/100 km
2.71 gal (US)/100 mi
914.78 Wh/mi
Fillup at Costco in Bellevue.
2016-07-01 405.5 mi
652.59 km
11.22 gal (US)
9.34 gal (Imp)
42.47 L
378.11 kWh
$2.379
($26.69 total for this fill)
36.14 mpg (US)
43.42 mpg (Imp)
6.51 L/100 km
2.77 gal (US)/100 mi
932.45 Wh/mi
Normal boring commuting.
2016-06-12 359 mi
577.75 km
10.716 gal (US)
8.92 gal (Imp)
40.56 L
361.13 kWh
$2.469
($26.46 total for this fill)
33.5 mpg (US)
40.25 mpg (Imp)
7.02 L/100 km
2.98 gal (US)/100 mi
1005.93 Wh/mi
2016-05-31 456.7 mi
734.99 km
11.299 gal (US)
9.41 gal (Imp)
42.77 L
380.78 kWh
$2.329
($26.32 total for this fill)
40.42 mpg (US)
48.53 mpg (Imp)
5.82 L/100 km
2.47 gal (US)/100 mi
833.76 Wh/mi
Trips to Green Bay, Madison
2016-05-27 331.5 mi
533.5 km
9.637 gal (US)
8.02 gal (Imp)
36.48 L
324.77 kWh
$2.329
($22.44 total for this fill)
34.4 mpg (US)
41.33 mpg (Imp)
6.84 L/100 km
2.91 gal (US)/100 mi
979.7 Wh/mi
First tank from costco. Warm, humid weather. Nearly all commuting.
2016-05-16 337.4 mi
542.99 km
10.493 gal (US)
8.74 gal (Imp)
39.72 L
353.61 kWh
$2.179
($22.86 total for this fill)
32.15 mpg (US)
38.6 mpg (Imp)
7.32 L/100 km
3.11 gal (US)/100 mi
1048.04 Wh/mi
Costco! Mostly local boring commuting. 1 trip to East side.
2016-05-04 343 mi
552 km
10.888 gal (US)
9.07 gal (Imp)
41.22 L
366.93 kWh
$2.22
($24.17 total for this fill)
31.5 mpg (US)
37.82 mpg (Imp)
7.47 L/100 km
3.17 gal (US)/100 mi
1069.77 Wh/mi
Some trips to Hales Corners, otherwise normal boring commute
2016-04-25 417.3 mi
671.58 km
11.508 gal (US)
9.58 gal (Imp)
43.56 L
387.82 kWh
$2.159
($24.85 total for this fill)
36.26 mpg (US)
43.56 mpg (Imp)
6.49 L/100 km
2.76 gal (US)/100 mi
929.36 Wh/mi
Trip to and from Waunakee
2016-04-18 336.6 mi
541.71 km
10.308 gal (US)
8.58 gal (Imp)
39.02 L
347.38 kWh
$2.09
($21.54 total for this fill)
32.65 mpg (US)
39.23 mpg (Imp)
7.2 L/100 km
3.06 gal (US)/100 mi
1032.03 Wh/mi
2016-04-06 378.3 mi
608.81 km
11.906 gal (US)
9.91 gal (Imp)
45.07 L
401.23 kWh
$1.969
($23.44 total for this fill)
31.77 mpg (US)
38.17 mpg (Imp)
7.4 L/100 km
3.15 gal (US)/100 mi
1060.61 Wh/mi
2016-03-20 378.7 mi
609.46 km
11.546 gal (US)
9.61 gal (Imp)
43.71 L
389.1 kWh
$1.999
($23.08 total for this fill)
32.8 mpg (US)
39.41 mpg (Imp)
7.17 L/100 km
3.05 gal (US)/100 mi
1027.46 Wh/mi
Fill up in De Pere
2016-03-11 402.2 mi
647.28 km
11.265 gal (US)
9.38 gal (Imp)
42.64 L
379.63 kWh
$1.829
($20.6 total for this fill)
35.7 mpg (US)
42.88 mpg (Imp)
6.59 L/100 km
2.8 gal (US)/100 mi
943.88 Wh/mi
2016-03-04 316.8 mi
509.84 km
10.676 gal (US)
8.89 gal (Imp)
40.41 L
359.78 kWh
$1.799
($19.21 total for this fill)
29.67 mpg (US)
35.64 mpg (Imp)
7.93 L/100 km
3.37 gal (US)/100 mi
1135.67 Wh/mi
2016-02-24 337.5 mi
543.15 km
11.401 gal (US)
9.49 gal (Imp)
43.16 L
384.21 kWh
$1.599
($18.23 total for this fill)
29.6 mpg (US)
35.56 mpg (Imp)
7.95 L/100 km
3.38 gal (US)/100 mi
1138.4 Wh/mi
Mostly normal boring commuting, though I did drive around a bit for the fun of it.
2016-02-12 323.9 mi
521.27 km
10.678 gal (US)
8.89 gal (Imp)
40.42 L
359.85 kWh
$13.98
($149.28 total for this fill)
30.33 mpg (US)
36.43 mpg (Imp)
7.75 L/100 km
3.3 gal (US)/100 mi
1110.99 Wh/mi
More cold. More normal boring commuting.
2016-02-04 366.5 mi
589.82 km
11.611 gal (US)
9.67 gal (Imp)
43.95 L
391.29 kWh
$1.499
($17.4 total for this fill)
31.56 mpg (US)
37.9 mpg (Imp)
7.45 L/100 km
3.17 gal (US)/100 mi
1067.64 Wh/mi
Trip to fondy, normal boring commute after that.
2016-01-23 306.3 mi
492.94 km
10.576 gal (US)
8.81 gal (Imp)
40.03 L
356.41 kWh
$1.649
($17.44 total for this fill)
28.96 mpg (US)
34.77 mpg (Imp)
8.12 L/100 km
3.45 gal (US)/100 mi
1163.6 Wh/mi
Mostly commuting, mostly freezing.
2016-01-12 284.5 mi
457.86 km
9.893 gal (US)
8.24 gal (Imp)
37.45 L
333.39 kWh
$1.829
($18.09 total for this fill)
28.76 mpg (US)
34.53 mpg (Imp)
8.18 L/100 km
3.48 gal (US)/100 mi
1171.85 Wh/mi
COLD! Temps ranging from 10* to -10* F. Tires still at 33psi
2016-01-06 374.2 mi
602.22 km
11.736 gal (US)
9.77 gal (Imp)
44.43 L
395.5 kWh
$1.929
($22.64 total for this fill)
31.88 mpg (US)
38.3 mpg (Imp)
7.38 L/100 km
3.14 gal (US)/100 mi
1056.92 Wh/mi
Trip to Green Bay
2015-12-30 257.7 mi
414.73 km
8.979 gal (US)
7.48 gal (Imp)
33.99 L
302.59 kWh
$1.959
($17.59 total for this fill)
28.7 mpg (US)
34.45 mpg (Imp)
8.2 L/100 km
3.48 gal (US)/100 mi
1174.19 Wh/mi
Snow!
2015-12-19 346.4 mi
557.48 km
11.156 gal (US)
9.29 gal (Imp)
42.23 L
375.96 kWh
$2.899
($32.34 total for this fill)
31.05 mpg (US)
37.29 mpg (Imp)
7.58 L/100 km
3.22 gal (US)/100 mi
1085.33 Wh/mi
2015-12-12 351.5 mi
565.68 km
11.321 gal (US)
9.43 gal (Imp)
42.85 L
381.52 kWh
$1.99
($22.53 total for this fill)
31.05 mpg (US)
37.27 mpg (Imp)
7.57 L/100 km
3.22 gal (US)/100 mi
1085.41 Wh/mi
New route to work
2015-12-01 317.2 mi
510.48 km
11.099 gal (US)
9.24 gal (Imp)
42.01 L
374.04 kWh
$1.719
($19.08 total for this fill)
28.58 mpg (US)
34.33 mpg (Imp)
8.23 L/100 km
3.5 gal (US)/100 mi
1179.19 Wh/mi
Normal boring commuting. Tried various routes.
2015-10-31 373.1 mi
600.45 km
11.902 gal (US)
9.91 gal (Imp)
45.05 L
401.1 kWh
$2.299
($27.36 total for this fill)
31.35 mpg (US)
37.65 mpg (Imp)
7.5 L/100 km
3.19 gal (US)/100 mi
1075.05 Wh/mi
Commuting to new office (all city driving), tire pressure factory spec
2015-10-18 399.2 mi
642.45 km
11.804 gal (US)
9.83 gal (Imp)
44.68 L
397.79 kWh
$2.459
($29.03 total for this fill)
33.82 mpg (US)
40.61 mpg (Imp)
6.95 L/100 km
2.96 gal (US)/100 mi
996.47 Wh/mi
2015-10-03 425.1 mi
684.13 km
12.074 gal (US)
10.05 gal (Imp)
45.71 L
406.89 kWh
$2.599
($31.38 total for this fill)
35.21 mpg (US)
42.3 mpg (Imp)
6.68 L/100 km
2.84 gal (US)/100 mi
957.16 Wh/mi
2015-09-22 403 mi
648.57 km
10.947 gal (US)
9.12 gal (Imp)
41.44 L
368.91 kWh
$2.499
($27.36 total for this fill)
36.81 mpg (US)
44.19 mpg (Imp)
6.39 L/100 km
2.72 gal (US)/100 mi
915.41 Wh/mi
2015-09-17 425.1 mi
684.13 km
11.625 gal (US)
9.68 gal (Imp)
44.01 L
391.76 kWh
$2.399
($27.89 total for this fill)
36.57 mpg (US)
43.92 mpg (Imp)
6.43 L/100 km
2.73 gal (US)/100 mi
921.57 Wh/mi
Commuting. Tires at 33psi
2015-09-08 411.7 mi
662.57 km
11.11 gal (US)
9.25 gal (Imp)
42.06 L
374.41 kWh
$2.479
($27.54 total for this fill)
37.06 mpg (US)
44.51 mpg (Imp)
6.35 L/100 km
2.7 gal (US)/100 mi
909.42 Wh/mi
2015-08-28 429.5 mi
691.21 km
11.678 gal (US)
9.72 gal (Imp)
44.21 L
393.55 kWh
$2.699
($31.52 total for this fill)
36.78 mpg (US)
44.19 mpg (Imp)
6.4 L/100 km
2.72 gal (US)/100 mi
916.3 Wh/mi
2015-08-18 422.7 mi
680.27 km
12.064 gal (US)
10.05 gal (Imp)
45.67 L
406.56 kWh
$3.259
($39.32 total for this fill)
35.04 mpg (US)
42.06 mpg (Imp)
6.71 L/100 km
2.85 gal (US)/100 mi
961.82 Wh/mi
Normal boring commuting
2015-08-09 410.6 mi
660.8 km
11.532 gal (US)
9.6 gal (Imp)
43.65 L
388.63 kWh
$2.629
($30.32 total for this fill)
35.61 mpg (US)
42.77 mpg (Imp)
6.61 L/100 km
2.81 gal (US)/100 mi
946.49 Wh/mi
2015-07-28 415 mi
667.88 km
11.278 gal (US)
9.39 gal (Imp)
42.69 L
380.07 kWh
$2.659
($29.99 total for this fill)
36.8 mpg (US)
44.2 mpg (Imp)
6.39 L/100 km
2.72 gal (US)/100 mi
915.83 Wh/mi
I missed a fillup or two before this one, which is a shame because they had a bunch of long trips on them.
2015-06-21 432.7 mi
696.36 km
11.821 gal (US)
9.84 gal (Imp)
44.75 L
398.37 kWh
$2.959
($34.98 total for this fill)
36.6 mpg (US)
43.97 mpg (Imp)
6.43 L/100 km
2.73 gal (US)/100 mi
920.66 Wh/mi
2015-06-13 423.1 mi
680.91 km
11.473 gal (US)
9.55 gal (Imp)
43.43 L
386.64 kWh
$2.95
($33.85 total for this fill)
36.88 mpg (US)
44.3 mpg (Imp)
6.38 L/100 km
2.71 gal (US)/100 mi
913.83 Wh/mi
One trip to fdl, otherwise all commute. Tires at ~39psi cold
2015-06-01 373.1 mi
600.45 km
10.543 gal (US)
8.78 gal (Imp)
39.91 L
355.3 kWh
35.39 mpg (US)
42.49 mpg (Imp)
6.65 L/100 km
2.83 gal (US)/100 mi
952.29 Wh/mi
May be off. Receipt doesn't show gallons or per-gallon price. Going entirely off memory
2015-05-22 408.6 mi
657.58 km
11.526 gal (US)
9.6 gal (Imp)
43.63 L
388.43 kWh
$2.889
($33.3 total for this fill)
35.45 mpg (US)
42.56 mpg (Imp)
6.63 L/100 km
2.82 gal (US)/100 mi
950.64 Wh/mi
First tank. Mostly commuting. Tire pressures at Chevy recommended 33psi. No mods aside from half of the drivers side mudflap missing.
0000-00-00 379.1 mi
610.1 km
11.698 gal (US)
9.74 gal (Imp)
44.28 L
394.22 kWh
$1.959
($22.92 total for this fill)
32.41 mpg (US)
38.92 mpg (Imp)
7.26 L/100 km
3.09 gal (US)/100 mi
1039.88 Wh/mi

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


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