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Fuel log graph
Efficiency log for: SportyBalt - 2008 Chevrolet Cobalt LT
  • Lifetime Fuel Economy: 29.5 mpg (US), 8 L/100 km, 35.5 mpg (Imp)
  • 90-day Fuel Economy: 31.4 mpg (US), 7.5 L/100 km, 37.7 mpg (Imp)
  • 3-tank Fuel Economy: 30.2 mpg (US), 7.8 L/100 km, 36.3 mpg (Imp)
  • EPA Combined Rating / % over rating: 26 mpg (US) / 20.8% (based on 90-day fuel economy)
  • Total fills: 33
  • Average cost per gal/L: $3.05 per gal (US); $0.00 per L (price data entered for 26 fill/s)
  • Average cost per fill: $34.17
  • Average distance cost: $0.10 per mi. / $0.06 per km
  • Total fuel used: 364.87 gal (US), 1381.2 L
  • Total distance traveled: 10778.4 mi. / 17346.2 km
  • Total cost: $888.53
  • Total fuel saved vs. EPA: 49.7 gal. (US) / 188.1 L
  • Total saved: $151.59 (based on avg. cost per gal./L)
  • Average tank distance: 326.6 mi. / 525.6 km
Fill date Distance Fill amount Price Fuel Economy Details
2008-12-30 294.3 mi
473.63 km
9.78 gal (US)
8.14 gal (Imp)
37.02 L
329.59 kWh
$1.429
($13.98 total for this fill)
30.09 mpg (US)
36.15 mpg (Imp)
7.82 L/100 km
3.32 gal (US)/100 mi
1119.91 Wh/mi
10818 Miles.
2008-12-23 317.3 mi
510.64 km
10.54 gal (US)
8.78 gal (Imp)
39.9 L
355.2 kWh
$1.479
($15.59 total for this fill)
30.1 mpg (US)
36.14 mpg (Imp)
7.81 L/100 km
3.32 gal (US)/100 mi
1119.45 Wh/mi
10524 Miles.
2008-12-15 341.9 mi
550.23 km
11.24 gal (US)
9.36 gal (Imp)
42.55 L
378.79 kWh
$1.519
($17.07 total for this fill)
30.42 mpg (US)
36.53 mpg (Imp)
7.73 L/100 km
3.29 gal (US)/100 mi
1107.9 Wh/mi
10206 Miles.
2008-12-06 484.9 mi
780.37 km
15.74 gal (US)
13.11 gal (Imp)
59.58 L
530.44 kWh
$1.679
($26.43 total for this fill)
30.81 mpg (US)
36.99 mpg (Imp)
7.63 L/100 km
3.25 gal (US)/100 mi
1093.92 Wh/mi
9864 Miles
2008-11-21 329.9 mi
530.92 km
10.51 gal (US)
8.75 gal (Imp)
39.78 L
354.19 kWh
$1.959
($20.59 total for this fill)
31.39 mpg (US)
37.7 mpg (Imp)
7.49 L/100 km
3.19 gal (US)/100 mi
1073.63 Wh/mi
9380 Miles.
2008-11-14 330.2 mi
531.41 km
10.48 gal (US)
8.73 gal (Imp)
39.67 L
353.18 kWh
$2.159
($22.63 total for this fill)
31.51 mpg (US)
37.82 mpg (Imp)
7.47 L/100 km
3.17 gal (US)/100 mi
1069.59 Wh/mi
9050 Miles.
2008-11-07 355.7 mi
572.44 km
11.26 gal (US)
9.38 gal (Imp)
42.62 L
379.46 kWh
$2.379
($26.79 total for this fill)
31.59 mpg (US)
37.92 mpg (Imp)
7.45 L/100 km
3.17 gal (US)/100 mi
1066.8 Wh/mi
8719 Miles.
2008-10-24 361 mi
580.97 km
11.66 gal (US)
9.71 gal (Imp)
44.14 L
392.94 kWh
$2.999
($34.97 total for this fill)
30.96 mpg (US)
37.18 mpg (Imp)
7.6 L/100 km
3.23 gal (US)/100 mi
1088.48 Wh/mi
7996 Miles. Treated the car to 91 octane this time to see if it makes a difference. Otherwise the fuel price would have been 20 cents cheaper per gallon than 1 week ago.
2008-10-17 330.3 mi
531.57 km
10.51 gal (US)
8.75 gal (Imp)
39.78 L
354.19 kWh
$2.999
($31.52 total for this fill)
31.43 mpg (US)
37.75 mpg (Imp)
7.48 L/100 km
3.18 gal (US)/100 mi
1072.33 Wh/mi
7635 Miles. Cooler temps came causing less fuel mileage.
2008-10-11 378 mi
608.33 km
11.12 gal (US)
9.26 gal (Imp)
42.09 L
374.74 kWh
$3.159
($35.13 total for this fill)
33.99 mpg (US)
40.82 mpg (Imp)
6.92 L/100 km
2.94 gal (US)/100 mi
991.38 Wh/mi
7305 Miles
2008-10-03 159 mi
255.89 km
4.419 gal (US)
3.68 gal (Imp)
16.73 L
148.92 kWh
$3.239
($14.31 total for this fill)
35.98 mpg (US)
43.21 mpg (Imp)
6.54 L/100 km
2.78 gal (US)/100 mi
936.6 Wh/mi
6927 Miles. Filled up a little early this time because I removed the cold air intake I had installed on my car and reinstalled the factory air filter and associated ducts. I did notice it seems like the instant MPG reading is higher than before.
2008-09-29 361 mi
580.97 km
10.52 gal (US)
8.76 gal (Imp)
39.82 L
354.52 kWh
$3.299
($34.71 total for this fill)
34.32 mpg (US)
41.21 mpg (Imp)
6.85 L/100 km
2.91 gal (US)/100 mi
982.05 Wh/mi
6768 Miles. A heaping helping of DTL + a dash of EOC = 1 more MPG than my previous best.
2008-09-22 336 mi
540.74 km
10.82 gal (US)
9.01 gal (Imp)
40.96 L
364.63 kWh
$3.339
($36.13 total for this fill)
31.05 mpg (US)
37.29 mpg (Imp)
7.57 L/100 km
3.22 gal (US)/100 mi
1085.21 Wh/mi
6407 Miles. Same as last tank. A little more city driving this time though.
2008-09-13 354 mi
569.71 km
10.95 gal (US)
9.12 gal (Imp)
41.45 L
369.02 kWh
$3.419
($37.44 total for this fill)
32.33 mpg (US)
38.82 mpg (Imp)
7.28 L/100 km
3.09 gal (US)/100 mi
1042.43 Wh/mi
6071 Miles. Did a lot of DTL. Tried to keep the instant MPG as close to 40 as possible. Most times not dropping below 37 MPG after reaching cruising altitude.
2008-09-06 570 mi
917.33 km
17.86 gal (US)
14.87 gal (Imp)
67.61 L
601.88 kWh
$3.499
($62.49 total for this fill)
31.91 mpg (US)
38.33 mpg (Imp)
7.37 L/100 km
3.13 gal (US)/100 mi
1055.93 Wh/mi
5715 Miles. Had two partial fills. one for 2.845 gallons and one for 4.286 gallons. Then filled up with 10.727 gallons. Also performed the car's first oil change during this period. Oil used: Royal Purple 5w-30.
2008-08-24 329 mi
529.47 km
12.22 gal (US)
10.18 gal (Imp)
46.26 L
411.81 kWh
$3.559
($43.49 total for this fill)
26.92 mpg (US)
32.32 mpg (Imp)
8.74 L/100 km
3.71 gal (US)/100 mi
1251.7 Wh/mi
5147 Miles. 12.22 gallons in a 13 gallon tank?? YIKES! Starting a new job tomorrow which will make most of my driving highway miles now.
2008-08-16 355 mi
571.32 km
11.34 gal (US)
9.44 gal (Imp)
42.93 L
382.16 kWh
31.31 mpg (US)
37.61 mpg (Imp)
7.51 L/100 km
3.19 gal (US)/100 mi
1076.51 Wh/mi
4818 miles, more highway miles than normal, not as much A/C usage as previous tank.
2008-08-03 319 mi
513.38 km
11.35 gal (US)
9.45 gal (Imp)
42.96 L
382.5 kWh
$3.849
($43.69 total for this fill)
28.11 mpg (US)
33.76 mpg (Imp)
8.37 L/100 km
3.56 gal (US)/100 mi
1199.06 Wh/mi
4463 Miles
2008-07-26 341 mi
548.79 km
11.82 gal (US)
9.84 gal (Imp)
44.74 L
398.33 kWh
$3.89
($45.98 total for this fill)
28.85 mpg (US)
34.65 mpg (Imp)
8.15 L/100 km
3.47 gal (US)/100 mi
1168.12 Wh/mi
4144 miles. Still used hypermiling techniques. Not as much EOC, used A/C though, only on low fan speeds & recirc to minimize engine loads.
2008-07-17 335 mi
539.13 km
10.46 gal (US)
8.71 gal (Imp)
39.6 L
352.5 kWh
$4.019
($42.04 total for this fill)
32.03 mpg (US)
38.46 mpg (Imp)
7.35 L/100 km
3.12 gal (US)/100 mi
1052.24 Wh/mi
3803 miles. Used more hypermiling techniques. Lots of EOC.
2008-07-03 321 mi
516.6 km
10.41 gal (US)
8.67 gal (Imp)
39.41 L
350.82 kWh
$4.07
($42.37 total for this fill)
30.84 mpg (US)
37.02 mpg (Imp)
7.63 L/100 km
3.24 gal (US)/100 mi
1092.9 Wh/mi
3468 Miles. First full tank using hypermiling techniques.
2008-06-20 314 mi
505.33 km
11.47 gal (US)
9.55 gal (Imp)
43.42 L
386.54 kWh
$4.09
($46.91 total for this fill)
27.38 mpg (US)
32.88 mpg (Imp)
8.59 L/100 km
3.65 gal (US)/100 mi
1231.02 Wh/mi
3154 Miles
2008-06-10 296 mi
476.37 km
11.53 gal (US)
9.6 gal (Imp)
43.65 L
388.56 kWh
$4.11
($47.39 total for this fill)
25.67 mpg (US)
30.83 mpg (Imp)
9.16 L/100 km
3.9 gal (US)/100 mi
1312.7 Wh/mi
2840 Miles
2008-05-31 304 mi
489.24 km
11.54 gal (US)
9.61 gal (Imp)
43.68 L
388.9 kWh
$3.89
($44.89 total for this fill)
26.34 mpg (US)
31.63 mpg (Imp)
8.93 L/100 km
3.8 gal (US)/100 mi
1279.28 Wh/mi
2544 Miles
2008-05-20 304 mi
489.24 km
11.17 gal (US)
9.3 gal (Imp)
42.28 L
376.43 kWh
27.22 mpg (US)
32.69 mpg (Imp)
8.64 L/100 km
3.67 gal (US)/100 mi
1238.26 Wh/mi
2240 Miles
2008-05-10 267 mi
429.69 km
9.6 gal (US)
7.99 gal (Imp)
36.34 L
323.52 kWh
$3.47
($33.31 total for this fill)
27.81 mpg (US)
33.42 mpg (Imp)
8.46 L/100 km
3.6 gal (US)/100 mi
1211.69 Wh/mi
1952 Miles
2008-05-01 296 mi
476.37 km
11.57 gal (US)
9.63 gal (Imp)
43.8 L
389.91 kWh
$3.39
($39.22 total for this fill)
25.58 mpg (US)
30.74 mpg (Imp)
9.19 L/100 km
3.91 gal (US)/100 mi
1317.26 Wh/mi
1685 Miles
2008-04-20 320 mi
514.99 km
11.57 gal (US)
9.63 gal (Imp)
43.8 L
389.91 kWh
27.66 mpg (US)
33.23 mpg (Imp)
8.51 L/100 km
3.62 gal (US)/100 mi
1218.47 Wh/mi
1389 Miles
2008-04-12 216 mi
347.62 km
8.13 gal (US)
6.77 gal (Imp)
30.78 L
273.98 kWh
26.57 mpg (US)
31.91 mpg (Imp)
8.85 L/100 km
3.76 gal (US)/100 mi
1268.43 Wh/mi
1069 Miles
2008-04-06 266 mi
428.09 km
10.35 gal (US)
8.62 gal (Imp)
39.18 L
348.8 kWh
25.7 mpg (US)
30.86 mpg (Imp)
9.15 L/100 km
3.89 gal (US)/100 mi
1311.28 Wh/mi
853 Miles
2008-03-28 255 mi
410.38 km
11.01 gal (US)
9.17 gal (Imp)
41.68 L
371.04 kWh
23.16 mpg (US)
27.81 mpg (Imp)
10.16 L/100 km
4.32 gal (US)/100 mi
1455.06 Wh/mi
587 miles
2008-03-15 270 mi
434.52 km
10.13 gal (US)
8.44 gal (Imp)
38.35 L
341.38 kWh
26.65 mpg (US)
31.99 mpg (Imp)
8.83 L/100 km
3.75 gal (US)/100 mi
1264.37 Wh/mi
First fill up at 332, bought new with 62 miles.
0000-00-00 366.9 mi
590.47 km
11.79 gal (US)
9.82 gal (Imp)
44.63 L
397.32 kWh
$2.499
($29.46 total for this fill)
31.12 mpg (US)
37.36 mpg (Imp)
7.56 L/100 km
3.21 gal (US)/100 mi
1082.91 Wh/mi
8354 Miles.

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


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