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Fuel log graph
Efficiency log for: Not-so-Grand Am - 1998 Pontiac Grand AM GT
  • Lifetime Fuel Economy: 30.3 mpg (US), 7.8 L/100 km, 36.4 mpg (Imp)
  • 90-day Fuel Economy: 32 mpg (US), 7.3 L/100 km, 38.5 mpg (Imp)
  • 3-tank Fuel Economy: 34.6 mpg (US), 6.8 L/100 km, 41.5 mpg (Imp)
  • EPA Combined Rating / % over rating: 24 mpg (US) / 33.5% (based on 90-day fuel economy)
  • Total fills: 33
  • Average cost per gal/L: $2.94 per gal (US); $0.00 per L (price data entered for 32 fill/s)
  • Average cost per fill: $38.73
  • Average distance cost: $0.10 per mi. / $0.06 per km
  • Total fuel used: 435.11 gal (US), 1647.1 L
  • Total distance traveled: 13202.3 mi. / 21247 km
  • Total cost: $1,239.29
  • Total fuel saved vs. EPA: 115 gal. (US) / 435.3 L
  • Total saved: $338.1 (based on avg. cost per gal./L)
  • Average tank distance: 400.1 mi. / 643.8 km
Fill date Distance Fill amount Price Fuel Economy Details
2011-06-06 435 mi
700.06 km
12.78 gal (US)
10.64 gal (Imp)
48.38 L
430.69 kWh
$3.599
($46 total for this fill)
34.04 mpg (US)
40.88 mpg (Imp)
6.91 L/100 km
2.94 gal (US)/100 mi
990.09 Wh/mi
Removed grille block halfway through, because engine temp was above normal. Also fender skirt either fell off while driving, or an envious ecomodder stole it.
2011-05-26 361.2 mi
581.3 km
9.725 gal (US)
8.1 gal (Imp)
36.81 L
327.73 kWh
$3.599
($35 total for this fill)
37.14 mpg (US)
44.59 mpg (Imp)
6.33 L/100 km
2.69 gal (US)/100 mi
907.34 Wh/mi
Filled up earlier than usual to take advantage of cheap gas. Best tank to date.
2011-05-19 441.9 mi
711.17 km
13.3 gal (US)
11.08 gal (Imp)
50.35 L
448.21 kWh
$3.759
($49.99 total for this fill)
33.23 mpg (US)
39.88 mpg (Imp)
7.08 L/100 km
3.01 gal (US)/100 mi
1014.28 Wh/mi
Improvements for next tank:
- Partial grill block
- Tires @ 45 PSI
2011-05-10 496.9 mi
799.68 km
14.77 gal (US)
12.3 gal (Imp)
55.91 L
497.75 kWh
$3.859
($57 total for this fill)
33.64 mpg (US)
40.4 mpg (Imp)
6.99 L/100 km
2.97 gal (US)/100 mi
1001.71 Wh/mi
Includes a 2.073 gallon partial fill-up.
2011-05-03 435.3 mi
700.55 km
13 gal (US)
10.82 gal (Imp)
49.21 L
438.1 kWh
$3.769
($49 total for this fill)
33.48 mpg (US)
40.23 mpg (Imp)
7.02 L/100 km
2.99 gal (US)/100 mi
1006.43 Wh/mi
Libya what?
2011-04-21 420.6 mi
676.89 km
13.04 gal (US)
10.86 gal (Imp)
49.36 L
439.45 kWh
$2.799
($36.5 total for this fill)
32.25 mpg (US)
38.73 mpg (Imp)
7.29 L/100 km
3.1 gal (US)/100 mi
1044.82 Wh/mi
Yes, that price is real.
2011-04-14 375.9 mi
604.95 km
13.35 gal (US)
11.12 gal (Imp)
50.54 L
449.9 kWh
28.16 mpg (US)
33.8 mpg (Imp)
8.35 L/100 km
3.55 gal (US)/100 mi
1196.86 Wh/mi
2011-03-30 382.2 mi
615.09 km
12.28 gal (US)
10.22 gal (Imp)
46.48 L
413.84 kWh
$3.499
($42.97 total for this fill)
31.12 mpg (US)
37.4 mpg (Imp)
7.56 L/100 km
3.21 gal (US)/100 mi
1082.78 Wh/mi
2011-03-22 549.2 mi
883.85 km
19.41 gal (US)
16.16 gal (Imp)
73.47 L
654.12 kWh
$3.539
($68.69 total for this fill)
28.29 mpg (US)
33.99 mpg (Imp)
8.31 L/100 km
3.53 gal (US)/100 mi
1191.04 Wh/mi
Includes partial fillup
2011-02-25 288.5 mi
464.3 km
10.06 gal (US)
8.38 gal (Imp)
38.08 L
339.02 kWh
$3.179
($31.98 total for this fill)
28.68 mpg (US)
34.43 mpg (Imp)
8.2 L/100 km
3.49 gal (US)/100 mi
1175.11 Wh/mi
Filled up early b/c this gas station was the only one that hadn't jacked up their prices.
2011-02-19 400 mi
643.74 km
12.71 gal (US)
10.58 gal (Imp)
48.11 L
428.33 kWh
$3.069
($39.01 total for this fill)
31.47 mpg (US)
37.81 mpg (Imp)
7.47 L/100 km
3.18 gal (US)/100 mi
1070.83 Wh/mi
2011-01-07 492.5 mi
792.6 km
16.67 gal (US)
13.88 gal (Imp)
63.1 L
561.78 kWh
$2.999
($49.99 total for this fill)
29.54 mpg (US)
35.48 mpg (Imp)
7.96 L/100 km
3.38 gal (US)/100 mi
1140.67 Wh/mi
Includes a partial fill up
2010-12-14 311.3 mi
500.99 km
11.5 gal (US)
9.58 gal (Imp)
43.53 L
387.55 kWh
$2.869
($32.99 total for this fill)
27.07 mpg (US)
32.49 mpg (Imp)
8.69 L/100 km
3.69 gal (US)/100 mi
1244.94 Wh/mi
2010-11-28 367.8 mi
591.92 km
13.34 gal (US)
11.11 gal (Imp)
50.5 L
449.56 kWh
$2.699
($36 total for this fill)
27.57 mpg (US)
33.11 mpg (Imp)
8.53 L/100 km
3.63 gal (US)/100 mi
1222.29 Wh/mi
2010-11-19 357.4 mi
575.18 km
13.35 gal (US)
11.12 gal (Imp)
50.54 L
449.9 kWh
$2.699
($36.03 total for this fill)
26.77 mpg (US)
32.14 mpg (Imp)
8.79 L/100 km
3.74 gal (US)/100 mi
1258.81 Wh/mi
2010-11-09 363 mi
584.19 km
12.86 gal (US)
10.71 gal (Imp)
48.68 L
433.38 kWh
$2.799
($36 total for this fill)
28.23 mpg (US)
33.89 mpg (Imp)
8.33 L/100 km
3.54 gal (US)/100 mi
1193.88 Wh/mi
2010-11-03 358.7 mi
577.27 km
12.96 gal (US)
10.79 gal (Imp)
49.06 L
436.75 kWh
$2.699
($34.98 total for this fill)
27.68 mpg (US)
33.24 mpg (Imp)
8.5 L/100 km
3.61 gal (US)/100 mi
1217.59 Wh/mi
2010-10-28 404.8 mi
651.46 km
12.55 gal (US)
10.45 gal (Imp)
47.51 L
422.94 kWh
$2.7
($33.89 total for this fill)
32.25 mpg (US)
38.74 mpg (Imp)
7.29 L/100 km
3.1 gal (US)/100 mi
1044.81 Wh/mi
2010-10-25 534 mi
859.39 km
16.27 gal (US)
13.55 gal (Imp)
61.59 L
548.3 kWh
$2.769
($45.05 total for this fill)
32.82 mpg (US)
39.41 mpg (Imp)
7.17 L/100 km
3.05 gal (US)/100 mi
1026.78 Wh/mi
Includes a 4.0 gallon partial fill-up.
2010-10-20 318.7 mi
512.9 km
10.28 gal (US)
8.56 gal (Imp)
38.91 L
346.44 kWh
$2.529
($26 total for this fill)
31 mpg (US)
37.23 mpg (Imp)
7.59 L/100 km
3.23 gal (US)/100 mi
1087.04 Wh/mi
Gotta love cheap SC gas!
2010-10-18 370.7 mi
596.58 km
12.45 gal (US)
10.37 gal (Imp)
47.13 L
419.57 kWh
$2.729
($33.98 total for this fill)
29.78 mpg (US)
35.75 mpg (Imp)
7.9 L/100 km
3.36 gal (US)/100 mi
1131.83 Wh/mi
2010-10-11 361.1 mi
581.13 km
12.41 gal (US)
10.33 gal (Imp)
46.98 L
418.22 kWh
$2.659
($33 total for this fill)
29.1 mpg (US)
34.96 mpg (Imp)
8.08 L/100 km
3.44 gal (US)/100 mi
1158.18 Wh/mi
2010-10-02 360.8 mi
580.65 km
12.93 gal (US)
10.77 gal (Imp)
48.95 L
435.74 kWh
$2.629
($33.99 total for this fill)
27.9 mpg (US)
33.5 mpg (Imp)
8.43 L/100 km
3.58 gal (US)/100 mi
1207.71 Wh/mi
2010-09-23 409.4 mi
658.87 km
12.32 gal (US)
10.26 gal (Imp)
46.64 L
415.18 kWh
$2.599
($32.02 total for this fill)
33.23 mpg (US)
39.9 mpg (Imp)
7.08 L/100 km
3.01 gal (US)/100 mi
1014.12 Wh/mi
2010-08-19 327.2 mi
526.58 km
10.98 gal (US)
9.14 gal (Imp)
41.56 L
370.03 kWh
$2.54
($27.89 total for this fill)
29.8 mpg (US)
35.8 mpg (Imp)
7.89 L/100 km
3.36 gal (US)/100 mi
1130.9 Wh/mi
2010-08-13 315.6 mi
507.91 km
11.07 gal (US)
9.22 gal (Imp)
41.9 L
373.06 kWh
$2.52
($27.9 total for this fill)
28.51 mpg (US)
34.23 mpg (Imp)
8.25 L/100 km
3.51 gal (US)/100 mi
1182.07 Wh/mi
2010-08-06 368 mi
592.24 km
13.15 gal (US)
10.95 gal (Imp)
49.78 L
443.16 kWh
$2.699
($35.49 total for this fill)
27.98 mpg (US)
33.61 mpg (Imp)
8.41 L/100 km
3.57 gal (US)/100 mi
1204.24 Wh/mi
2010-07-28 338.2 mi
544.28 km
12.42 gal (US)
10.34 gal (Imp)
47.01 L
418.55 kWh
$2.459
($30.54 total for this fill)
27.23 mpg (US)
32.71 mpg (Imp)
8.64 L/100 km
3.67 gal (US)/100 mi
1237.58 Wh/mi
First tank with A/C working. Temp over 100F many days, constant A/C use
2010-07-10 642.4 mi
1033.84 km
19.86 gal (US)
16.54 gal (Imp)
75.18 L
669.28 kWh
$2.619
($52.01 total for this fill)
32.35 mpg (US)
38.84 mpg (Imp)
7.27 L/100 km
3.09 gal (US)/100 mi
1041.84 Wh/mi
Not one tank...contains one partial fill up
2010-05-27 383.2 mi
616.7 km
12.79 gal (US)
10.65 gal (Imp)
48.42 L
431.02 kWh
$2.62
($33.51 total for this fill)
29.96 mpg (US)
35.98 mpg (Imp)
7.85 L/100 km
3.34 gal (US)/100 mi
1124.79 Wh/mi
Found a new station next to my work to use as my regular pumping station. Sucks that its a BP though.
2010-05-20 415.2 mi
668.2 km
14.57 gal (US)
12.13 gal (Imp)
55.15 L
491.01 kWh
$2.79
($40.65 total for this fill)
28.5 mpg (US)
34.23 mpg (Imp)
8.25 L/100 km
3.51 gal (US)/100 mi
1182.59 Wh/mi
Added seafoam to engine oil and fuel.
2010-05-10 425.2 mi
684.29 km
13.4 gal (US)
11.16 gal (Imp)
50.72 L
451.58 kWh
$2.75
($36.85 total for this fill)
31.73 mpg (US)
38.1 mpg (Imp)
7.41 L/100 km
3.15 gal (US)/100 mi
1062.04 Wh/mi
2010-03-03 390.4 mi
628.29 km
12.55 gal (US)
10.45 gal (Imp)
47.51 L
422.94 kWh
$2.74
($34.39 total for this fill)
31.11 mpg (US)
37.36 mpg (Imp)
7.56 L/100 km
3.21 gal (US)/100 mi
1083.35 Wh/mi

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


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