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Fuel log graph
Efficiency log for: 2010 Cobalt - 2010 Chevy Cobalt LT
  • Lifetime Fuel Economy: 32.2 mpg (US), 7.3 L/100 km, 38.7 mpg (Imp)
  • 90-day Fuel Economy: 31.6 mpg (US), 7.5 L/100 km, 37.9 mpg (Imp)
  • 3-tank Fuel Economy: 32.3 mpg (US), 7.3 L/100 km, 38.8 mpg (Imp)
  • EPA Combined Rating / % over rating: 27 mpg (US) / 16.9% (based on 90-day fuel economy)
  • Total fills: 32
  • Average cost per gal/L: $2.30 per gal (US); $0.00 per L (price data entered for 32 fill/s)
  • Average cost per fill: $17.56
  • Average distance cost: $0.07 per mi. / $0.04 per km
  • Total fuel used: 244.56 gal (US), 925.8 L
  • Total distance traveled: 7880.8 mi. / 12682.9 km
  • Total cost: $562.01
  • Total fuel saved vs. EPA: 47.3 gal. (US) / 179 L
  • Total saved: $108.79 (based on avg. cost per gal./L)
  • Average tank distance: 246.3 mi. / 396.3 km
Fill date Distance Fill amount Price Fuel Economy Details
2019-02-17 369.8 mi
595.14 km
11.909 gal (US)
9.92 gal (Imp)
45.08 L
401.33 kWh
$2.099
($25 total for this fill)
31.05 mpg (US)
37.28 mpg (Imp)
7.57 L/100 km
3.22 gal (US)/100 mi
1085.26 Wh/mi
e15
2019-02-07 355.9 mi
572.77 km
10.578 gal (US)
8.81 gal (Imp)
40.04 L
356.48 kWh
$2.009
($21.25 total for this fill)
33.65 mpg (US)
40.4 mpg (Imp)
6.99 L/100 km
2.97 gal (US)/100 mi
1001.63 Wh/mi
e15
2019-02-05 192.7 mi
310.12 km
5.917 gal (US)
4.93 gal (Imp)
22.4 L
199.4 kWh
$1.859
($11 total for this fill)
32.57 mpg (US)
39.09 mpg (Imp)
7.22 L/100 km
3.07 gal (US)/100 mi
1034.77 Wh/mi
E88, 30.8 3-tank, $0.06/mile
2019-02-01 259.9 mi
418.27 km
9.035 gal (US)
7.52 gal (Imp)
34.2 L
304.48 kWh
$1.859
($16.8 total for this fill)
28.77 mpg (US)
34.56 mpg (Imp)
8.18 L/100 km
3.48 gal (US)/100 mi
1171.53 Wh/mi
e15, peaked at +10 today when refilling, negatives for almost all of tank
2019-01-30 271.2 mi
436.45 km
8.552 gal (US)
7.12 gal (Imp)
32.37 L
288.2 kWh
$1.959
($16.75 total for this fill)
31.71 mpg (US)
38.09 mpg (Imp)
7.42 L/100 km
3.15 gal (US)/100 mi
1062.68 Wh/mi
e15, -22f currently
2019-01-28 279.3 mi
449.49 km
8.813 gal (US)
7.34 gal (Imp)
33.36 L
297 kWh
$2.099
($18.5 total for this fill)
31.69 mpg (US)
38.05 mpg (Imp)
7.42 L/100 km
3.16 gal (US)/100 mi
1063.37 Wh/mi
E10, XFE clutch went out so moved it's 3 almost new WRG4 and a brand new one to this car. Car has almost 97,000 miles. The 3 tires have 10,000 miles on them.
2018-11-08 330.6 mi
532.05 km
9.67 gal (US)
8.05 gal (Imp)
36.6 L
325.88 kWh
$2.409
($23.3 total for this fill)
34.19 mpg (US)
41.07 mpg (Imp)
6.88 L/100 km
2.92 gal (US)/100 mi
985.72 Wh/mi
e15, 35.8 indicated
2018-11-05 359.8 mi
579.04 km
10.325 gal (US)
8.6 gal (Imp)
39.08 L
347.95 kWh
$2.589
($26.73 total for this fill)
34.85 mpg (US)
41.84 mpg (Imp)
6.75 L/100 km
2.87 gal (US)/100 mi
967.07 Wh/mi
E10, 35.3 indicated, 96,097
2018-11-01 314.9 mi
506.78 km
9.881 gal (US)
8.23 gal (Imp)
37.4 L
332.99 kWh
$2.469
($24.4 total for this fill)
31.87 mpg (US)
38.26 mpg (Imp)
7.38 L/100 km
3.14 gal (US)/100 mi
1057.45 Wh/mi
e15, 32.2 indicated
2018-10-29 222.6 mi
358.24 km
6.623 gal (US)
5.51 gal (Imp)
25.07 L
223.2 kWh
$2.189
($14.5 total for this fill)
33.61 mpg (US)
40.4 mpg (Imp)
7 L/100 km
2.98 gal (US)/100 mi
1002.7 Wh/mi
e85, 34.0 indicated, about E50 in tank, new plugs a couple day ago. NJK iridium's
2018-10-19 455.1 mi
732.41 km
12.202 gal (US)
10.16 gal (Imp)
46.19 L
411.21 kWh
$2.569
($31.35 total for this fill)
37.3 mpg (US)
44.79 mpg (Imp)
6.31 L/100 km
2.68 gal (US)/100 mi
903.56 Wh/mi
E15, new air filter installed, tires to 38 psi last week, changing oil tomorrow 95,500. Will be using this car and the XFE for commuting.
2018-03-17 27 mi
43.45 km
1 gal (US)
0.83 gal (Imp)
3.79 L
33.7 kWh
$2.5
($2.5 total for this fill)
27 mpg (US)
32.53 mpg (Imp)
8.72 L/100 km
3.7 gal (US)/100 mi
1248.15 Wh/mi
Fake fill changed oil 87000

53,700 miles on older wrg3
26,700 miles on newer wrg3
2017-04-15 28 mi
45.06 km
1 gal (US)
0.83 gal (Imp)
3.79 L
33.7 kWh
$2.35
($2.35 total for this fill)
28 mpg (US)
33.73 mpg (Imp)
8.41 L/100 km
3.57 gal (US)/100 mi
1203.57 Wh/mi
fake fill, 68,263 changed oil & filter, rotated tires, Newer G3 to rear reading 4-6 on Nokian tread wear system, 3 older G3 4, Spare to drivers side, right side to trunk, cross Newer G3 to front next rotation. (Nokian numbers are MM remaining, they recommend replaceing when the 4 (5/32) is gone for best hydroplanning protection, when 2 is gone toss them.)

12/32 or 9.55 mm original depth

3/32=2.38 mm
2016-07-04 33.2 mi
53.43 km
1 gal (US)
0.83 gal (Imp)
3.79 L
33.7 kWh
$2.199
($2.2 total for this fill)
33.2 mpg (US)
40 mpg (Imp)
7.09 L/100 km
3.01 gal (US)/100 mi
1015.06 Wh/mi
fake fill, 33.2 indicated, changed oil at 56,000 Mobile One,

Edit: She hit curb and ruin one Nokian WRG3 at almost 62,000 Oct 15. I put 2 new G3's I bought for mine with 1,700 miles on the front. Will do 3 tire rotation with older G3, she now has a full size spare.
2016-03-19 323.4 mi
520.46 km
10.967 gal (US)
9.13 gal (Imp)
41.51 L
369.59 kWh
$1.959
($21.48 total for this fill)
29.49 mpg (US)
35.42 mpg (Imp)
7.98 L/100 km
3.39 gal (US)/100 mi
1142.83 Wh/mi
2016-03-13 30 mi
48.28 km
1 gal (US)
0.83 gal (Imp)
3.79 L
33.7 kWh
$1.95
($1.95 total for this fill)
30 mpg (US)
36.14 mpg (Imp)
7.85 L/100 km
3.33 gal (US)/100 mi
1123.33 Wh/mi
Rotated tires & changed oil at 50,000 3/32 above snow wear bars left. 14% oil life remaining.
2016-02-06 226.2 mi
364.03 km
8.23 gal (US)
6.85 gal (Imp)
31.15 L
277.35 kWh
$1.579
($13 total for this fill)
27.48 mpg (US)
33.02 mpg (Imp)
8.56 L/100 km
3.64 gal (US)/100 mi
1226.13 Wh/mi
28.5 ind, 34 mph average
2015-12-20 328.8 mi
529.15 km
11.356 gal (US)
9.46 gal (Imp)
42.99 L
382.7 kWh
$1.849
($21 total for this fill)
28.95 mpg (US)
34.76 mpg (Imp)
8.12 L/100 km
3.45 gal (US)/100 mi
1163.93 Wh/mi
47341 od
2015-12-06 116 mi
186.68 km
3.614 gal (US)
3.01 gal (Imp)
13.68 L
121.79 kWh
$1.939
($7.01 total for this fill)
32.1 mpg (US)
38.54 mpg (Imp)
7.33 L/100 km
3.12 gal (US)/100 mi
1049.91 Wh/mi
32.4 indicated, Kristin did most of partial tank
2015-11-21 304.9 mi
490.69 km
11.274 gal (US)
9.39 gal (Imp)
42.68 L
379.93 kWh
$2.059
($23.21 total for this fill)
27.04 mpg (US)
32.47 mpg (Imp)
8.7 L/100 km
3.7 gal (US)/100 mi
1246.08 Wh/mi
Showed her how to use the remote start, and I think she likes it.
2015-11-06 334.2 mi
537.84 km
10.965 gal (US)
9.13 gal (Imp)
41.51 L
369.52 kWh
$2.189
($24 total for this fill)
30.48 mpg (US)
36.6 mpg (Imp)
7.72 L/100 km
3.28 gal (US)/100 mi
1105.69 Wh/mi
31.9 indicated
2015-10-26 393 mi
632.47 km
12.45 gal (US)
10.37 gal (Imp)
47.13 L
419.57 kWh
$2.249
($28 total for this fill)
31.57 mpg (US)
37.9 mpg (Imp)
7.45 L/100 km
3.17 gal (US)/100 mi
1067.61 Wh/mi
33.4 indicated
2015-10-11 195.7 mi
314.95 km
6.854 gal (US)
5.71 gal (Imp)
25.95 L
230.98 kWh
$2.399
($16.44 total for this fill)
28.55 mpg (US)
34.27 mpg (Imp)
8.24 L/100 km
3.5 gal (US)/100 mi
1180.28 Wh/mi
e10
2015-10-07 203.9 mi
328.15 km
6.506 gal (US)
5.42 gal (Imp)
24.63 L
219.25 kWh
$2.459
($16 total for this fill)
31.34 mpg (US)
37.62 mpg (Imp)
7.51 L/100 km
3.19 gal (US)/100 mi
1075.28 Wh/mi
e10
2015-09-26 205.3 mi
330.4 km
6.281 gal (US)
5.23 gal (Imp)
23.78 L
211.67 kWh
$2.229
($14 total for this fill)
32.69 mpg (US)
39.25 mpg (Imp)
7.2 L/100 km
3.06 gal (US)/100 mi
1031.03 Wh/mi
35.2 indicated, rotated tires and changed oil at 43,000, 10/32 now front, 8/32 now rear (12/32 new)
2015-06-19 165.2 mi
265.86 km
4.353 gal (US)
3.63 gal (Imp)
16.48 L
146.7 kWh
$2.699
($11.75 total for this fill)
37.95 mpg (US)
45.51 mpg (Imp)
6.2 L/100 km
2.63 gal (US)/100 mi
888.01 Wh/mi
e10, 37994 OD, changed oil, 37.4 3-short tanks, 39.1 indicated
2015-06-18 119.3 mi
191.99 km
3.076 gal (US)
2.56 gal (Imp)
11.64 L
103.66 kWh
$2.699
($8.3 total for this fill)
38.78 mpg (US)
46.6 mpg (Imp)
6.06 L/100 km
2.58 gal (US)/100 mi
868.9 Wh/mi
e10, 39.5 indicated
2015-06-17 325 mi
523.04 km
8.885 gal (US)
7.4 gal (Imp)
33.63 L
299.42 kWh
$2.699
($23.98 total for this fill)
36.58 mpg (US)
43.92 mpg (Imp)
6.43 L/100 km
2.73 gal (US)/100 mi
921.29 Wh/mi
e10, 150 miles of AC, rest my commute
2015-01-10 260.6 mi
419.4 km
8.685 gal (US)
7.23 gal (Imp)
32.88 L
292.68 kWh
$1.859
($16.15 total for this fill)
30.01 mpg (US)
36.04 mpg (Imp)
7.84 L/100 km
3.33 gal (US)/100 mi
1123.1 Wh/mi
E10, bcm replaced 10 miles before refill, wonder if it didn't record some of miles on last tank as I drove most of it in better weather than this tank.
2014-11-15 288.3 mi
463.97 km
7.479 gal (US)
6.23 gal (Imp)
28.31 L
252.04 kWh
$2.81
($21.02 total for this fill)
38.55 mpg (US)
46.28 mpg (Imp)
6.1 L/100 km
2.59 gal (US)/100 mi
874.23 Wh/mi
e10 - MOUNTED NOKIAN WRG3 @ 33,300 11-22-14, 195-65-15 vs 195-60-15 OEM 3% taller, new battery 11-23-14
2014-04-20 235.5 mi
379 km
6.344 gal (US)
5.28 gal (Imp)
24.01 L
213.79 kWh
$3.449
($21.88 total for this fill)
37.12 mpg (US)
44.6 mpg (Imp)
6.34 L/100 km
2.69 gal (US)/100 mi
907.81 Wh/mi
e10 36.8 indicated, changed oil & rotated tires, psi to 50
2014-04-16 325.5 mi
523.84 km
9.736 gal (US)
8.11 gal (Imp)
36.85 L
328.1 kWh
$3.719
($36.21 total for this fill)
33.43 mpg (US)
40.14 mpg (Imp)
7.03 L/100 km
2.99 gal (US)/100 mi
1007.99 Wh/mi
e0 87, first 90 miles wife drove with 33.7 indicated, I drove next 200 with 38 indicated average.

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


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