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Fuel log graph
Efficiency log for: Silver - 2001 Chevrolet Impala Base
  • Lifetime Fuel Economy: 21.3 mpg (US), 11.1 L/100 km, 25.5 mpg (Imp)
  • 90-day Fuel Economy: 17.3 mpg (US), 13.6 L/100 km, 20.8 mpg (Imp)
  • 3-tank Fuel Economy: 20.5 mpg (US), 11.5 L/100 km, 24.7 mpg (Imp)
  • EPA Combined Rating / % over rating: 22 mpg (US) / -21.4% (based on 90-day fuel economy)
  • Total fills: 5
  • Average cost per gal/L: $2.90 per gal (US); $0.00 per L (price data entered for 5 fill/s)
  • Average cost per fill: $36.80
  • Average distance cost: $0.14 per mi. / $0.08 per km
  • Total fuel used: 63.54 gal (US), 240.5 L
  • Total distance traveled: 1351.8 mi. / 2175.5 km
  • Total cost: $183.99
  • Total fuel saved vs. EPA: -2.1 gal. (US) / -7.9 L
  • Total saved: $-6.09 (based on avg. cost per gal./L)
  • Average tank distance: 270.4 mi. / 435.1 km
Fill date Distance Fill amount Price Fuel Economy Details
2019-02-14 222.8 mi
358.56 km
12.884 gal (US)
10.73 gal (Imp)
48.77 L
434.19 kWh
$2.649
($34.13 total for this fill)
17.29 mpg (US)
20.76 mpg (Imp)
13.6 L/100 km
5.78 gal (US)/100 mi
1948.79 Wh/mi
2018-07-02 328.7 mi
528.99 km
14.086 gal (US)
11.73 gal (Imp)
53.32 L
474.7 kWh
$3
($42.26 total for this fill)
23.34 mpg (US)
28.02 mpg (Imp)
10.08 L/100 km
4.29 gal (US)/100 mi
1444.17 Wh/mi
Skipped some tanks.
2018-06-06 257.3 mi
414.08 km
12.4 gal (US)
10.33 gal (Imp)
46.94 L
417.88 kWh
$3.109
($38.55 total for this fill)
20.75 mpg (US)
24.91 mpg (Imp)
11.34 L/100 km
4.82 gal (US)/100 mi
1624.1 Wh/mi
Skipped one tank recording.

Rough estimate of fuel used (counting a small partial fill.) Added RLI Additive.
2018-04-16 284.2 mi
457.38 km
13.862 gal (US)
11.54 gal (Imp)
52.47 L
467.15 kWh
$2.929
($40.6 total for this fill)
20.5 mpg (US)
24.63 mpg (Imp)
11.47 L/100 km
4.88 gal (US)/100 mi
1643.74 Wh/mi
GETGO Brookville Pump 1. Added 2 oz RLI Additive at end.
2018-03-24 258.8 mi
416.5 km
10.31 gal (US)
8.59 gal (Imp)
39.03 L
347.45 kWh
$2.759
($28.45 total for this fill)
25.1 mpg (US)
30.13 mpg (Imp)
9.37 L/100 km
3.98 gal (US)/100 mi
1342.54 Wh/mi
Filled at Brookville, PA Sheetz Pump 7. Added 1 oz RLI additive before pumping. Had Amsoil Performance Improver in the previous tank; the injectors are clean.

Most driving was "HWY." Engine off coasted for an estimated 15-30 miles this tank.

Aired up tires to 44 Hot in the latter half of the tank (they were a few pounds low.)

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


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