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Fuel log graph
Efficiency log for: Impala - 2004 Chevrolet Impala base
  • Lifetime Fuel Economy: 29 mpg (US), 8.1 L/100 km, 34.8 mpg (Imp)
  • 90-day Fuel Economy: 32.8 mpg (US), 7.2 L/100 km, 39.4 mpg (Imp)
  • 3-tank Fuel Economy: 31.2 mpg (US), 7.5 L/100 km, 37.5 mpg (Imp)
  • EPA Combined Rating / % over rating: 22 mpg (US) / 49.3% (based on 90-day fuel economy)
  • Total fills: 25
  • Average cost per gal/L: $2.51 per gal (US); $0.00 per L (price data entered for 20 fill/s)
  • Average cost per fill: $25.20
  • Average distance cost: $0.08 per mi. / $0.05 per km
  • Total fuel used: 270.63 gal (US), 1024.4 L
  • Total distance traveled: 7848 mi. / 12630.1 km
  • Total cost: $504.05
  • Total fuel saved vs. EPA: 86.1 gal. (US) / 325.9 L
  • Total saved: $216.11 (based on avg. cost per gal./L)
  • Average tank distance: 313.9 mi. / 505.2 km
Fill date Distance Fill amount Price Fuel Economy Details
2012-10-05 312 mi
502.12 km
9.5 gal (US)
7.91 gal (Imp)
35.96 L
320.15 kWh
$3.99
($37.91 total for this fill)
32.84 mpg (US)
39.44 mpg (Imp)
7.16 L/100 km
3.04 gal (US)/100 mi
1026.12 Wh/mi
3.989 fuel price. Trip down secondary highway, thru one city of 17 stoplights, into primary city and back out and up 17 stoplights again, and a brief shutdown of an hour waiting on a wreck to clear. Now to just get mind back on driving sensibly.
2010-02-01 434 mi
698.46 km
13.5 gal (US)
11.24 gal (Imp)
51.1 L
454.95 kWh
$2.53
($34.16 total for this fill)
32.15 mpg (US)
38.61 mpg (Imp)
7.32 L/100 km
3.11 gal (US)/100 mi
1048.27 Wh/mi
last fuel stop am so tired here...
2010-02-01 355 mi
571.32 km
12.27 gal (US)
10.22 gal (Imp)
46.45 L
413.5 kWh
$2.43
($29.82 total for this fill)
28.93 mpg (US)
34.74 mpg (Imp)
8.13 L/100 km
3.46 gal (US)/100 mi
1164.79 Wh/mi
Appalachian hills and being tired = no attempt of eco driving...lol
2010-01-31 511 mi
822.37 km
17 gal (US)
14.16 gal (Imp)
64.35 L
572.9 kWh
$2.53
($43.01 total for this fill)
30.06 mpg (US)
36.09 mpg (Imp)
7.82 L/100 km
3.33 gal (US)/100 mi
1121.14 Wh/mi
Ugh, return trip and more ethanol. At least its only E10 so I dont have to worry too much.
2010-01-29 261 mi
420.04 km
11.64 gal (US)
9.69 gal (Imp)
44.06 L
392.27 kWh
$2.58
($30.03 total for this fill)
22.42 mpg (US)
26.93 mpg (Imp)
10.49 L/100 km
4.46 gal (US)/100 mi
1502.95 Wh/mi
Ugh, ethanol fuel top off here. Arrived in town, will be doing a bit of city and light backroads highway driving.
2010-01-29 378 mi
608.33 km
10.72 gal (US)
8.93 gal (Imp)
40.58 L
361.26 kWh
35.26 mpg (US)
42.33 mpg (Imp)
6.67 L/100 km
2.84 gal (US)/100 mi
955.71 Wh/mi
2nd leg of trip, more hills here, no real effort to drive smoothly.
2010-01-29 334 mi
537.52 km
11.21 gal (US)
9.33 gal (Imp)
42.43 L
377.78 kWh
$2.5
($28.03 total for this fill)
29.79 mpg (US)
35.8 mpg (Imp)
7.89 L/100 km
3.36 gal (US)/100 mi
1131.08 Wh/mi
First leg of trip to South Carolina, highway speeds and some mixed traffic. Not really trying to drive sensible, just driving.
2010-01-28 237 mi
381.41 km
7.87 gal (US)
6.55 gal (Imp)
29.79 L
265.22 kWh
$2.56
($20.15 total for this fill)
30.11 mpg (US)
36.18 mpg (Imp)
7.81 L/100 km
3.32 gal (US)/100 mi
1119.07 Wh/mi
Restarting life and got my car back. Not sure on current mpg and hope that trip odometer from last refueling is accurate. Start of trip to South Carolina.
2009-04-16 389 mi
626.03 km
10.4 gal (US)
8.66 gal (Imp)
39.37 L
350.48 kWh
$2.019
($21 total for this fill)
37.4 mpg (US)
44.92 mpg (Imp)
6.29 L/100 km
2.67 gal (US)/100 mi
900.98 Wh/mi
More aggressive use of pulse and glide during brief city work. Highway driving back to home.
2009-04-15 377 mi
606.72 km
10.5 gal (US)
8.74 gal (Imp)
39.75 L
353.85 kWh
$2.099
($22.04 total for this fill)
35.9 mpg (US)
43.14 mpg (Imp)
6.55 L/100 km
2.79 gal (US)/100 mi
938.59 Wh/mi
Getting to know this Cedar Rapids route a little too well...lol. Mixed driving, mostly highway cruising.
2009-04-12 388 mi
624.43 km
11 gal (US)
9.16 gal (Imp)
41.64 L
370.7 kWh
$1.969
($21.66 total for this fill)
35.27 mpg (US)
42.36 mpg (Imp)
6.67 L/100 km
2.84 gal (US)/100 mi
955.41 Wh/mi
Return trip from Cedar Rapids, with side trip. Speed variable, mostly 65mph for highway.
2009-04-11 365 mi
587.41 km
10.25 gal (US)
8.53 gal (Imp)
38.8 L
345.43 kWh
$2.019
($20.69 total for this fill)
35.61 mpg (US)
42.79 mpg (Imp)
6.61 L/100 km
2.81 gal (US)/100 mi
946.38 Wh/mi
Trip to Cedar Rapids, speeds variable up to 75mph.
2009-04-11 139 mi
223.7 km
6.5 gal (US)
5.41 gal (Imp)
24.61 L
219.05 kWh
$1.969
($12.8 total for this fill)
21.38 mpg (US)
25.69 mpg (Imp)
11 L/100 km
4.68 gal (US)/100 mi
1575.9 Wh/mi
Miles around town, a few high speed accelerations to make sure of things.
2009-04-02 367 mi
590.63 km
10.5 gal (US)
8.74 gal (Imp)
39.75 L
353.85 kWh
$1.9
($19.95 total for this fill)
34.95 mpg (US)
41.99 mpg (Imp)
6.73 L/100 km
2.86 gal (US)/100 mi
964.17 Wh/mi
The return trip, less headwind, and kept it steadier at 65 instead of rushing with the crowd in the 75 mph areas. Felt good to drive, even thru construction and a brief rain squall.
2009-03-30 355 mi
571.32 km
12.5 gal (US)
10.41 gal (Imp)
47.32 L
421.25 kWh
28.4 mpg (US)
34.1 mpg (Imp)
8.28 L/100 km
3.52 gal (US)/100 mi
1186.62 Wh/mi
Finally a run in my car!!!! Mostly highway, some 75mph speed, mostly 65mph. About 45 miles worth of city.
2009-01-01 513 mi
825.59 km
14.8 gal (US)
12.32 gal (Imp)
56.02 L
498.76 kWh
34.66 mpg (US)
41.64 mpg (Imp)
6.79 L/100 km
2.88 gal (US)/100 mi
972.24 Wh/mi
return of quick trip, love burning up the highways...lol
2008-12-31 431 mi
693.63 km
14.5 gal (US)
12.07 gal (Imp)
54.89 L
488.65 kWh
29.72 mpg (US)
35.71 mpg (Imp)
7.91 L/100 km
3.36 gal (US)/100 mi
1133.76 Wh/mi
a quick trip
2008-12-29 204 mi
328.31 km
17.5 gal (US)
14.57 gal (Imp)
66.24 L
589.75 kWh
11.66 mpg (US)
14 mpg (Imp)
20.18 L/100 km
8.58 gal (US)/100 mi
2890.93 Wh/mi
hate missing my car!!!!
2008-11-20 241 mi
387.85 km
6.69 gal (US)
5.57 gal (Imp)
25.32 L
225.45 kWh
$1.72
($11.51 total for this fill)
36.02 mpg (US)
43.27 mpg (Imp)
6.53 L/100 km
2.78 gal (US)/100 mi
935.48 Wh/mi
A good run out to the mall on highway, a touch more idling than I wanted due to being braindead, but overall a nice couple of days.
2008-11-18 192 mi
308.99 km
9 gal (US)
7.49 gal (Imp)
34.07 L
303.3 kWh
$1.89
($17.01 total for this fill)
21.33 mpg (US)
25.63 mpg (Imp)
11.03 L/100 km
4.69 gal (US)/100 mi
1579.69 Wh/mi
It feels good to be in my car!!!! Someday I will enter in some of the records I have of the vehicle that I drive for work and make all of you groan in agony...muhahahahaha. Just kidding, it will probably make a lot of you sick though.
2008-11-16 181 mi
291.29 km
11 gal (US)
9.16 gal (Imp)
41.64 L
370.7 kWh
$2.29
($25.19 total for this fill)
16.45 mpg (US)
19.76 mpg (Imp)
14.3 L/100 km
6.08 gal (US)/100 mi
2048.07 Wh/mi
Gods I hate being away from home so long. Other driver idles a lot using the car as a breakroom at work, so not only does the fuel economy suffer, but I have to clean the smoke out of it...<sighs> Ah well.
2008-10-04 147 mi
236.57 km
5.287 gal (US)
4.4 gal (Imp)
20.01 L
178.17 kWh
$2.46
($13.01 total for this fill)
27.8 mpg (US)
33.41 mpg (Imp)
8.46 L/100 km
3.6 gal (US)/100 mi
1212.04 Wh/mi
It has been too long, I miss my car.
2008-10-02 304 mi
489.24 km
8.47 gal (US)
7.05 gal (Imp)
32.06 L
285.44 kWh
$3.55
($30.07 total for this fill)
35.89 mpg (US)
43.12 mpg (Imp)
6.55 L/100 km
2.79 gal (US)/100 mi
938.95 Wh/mi
Mostly highway, was able to time a particularly bad stretch of 17 stoplights nicely last night. Even took the risk of a couple of EOC to a stop.
2008-10-01 147 mi
236.57 km
5.353 gal (US)
4.46 gal (Imp)
20.26 L
180.4 kWh
$3.55
($19 total for this fill)
27.46 mpg (US)
32.96 mpg (Imp)
8.56 L/100 km
3.64 gal (US)/100 mi
1227.21 Wh/mi
Mixed driving, normal pattern with care for timing and coasting
2008-09-30 286 mi
460.27 km
12.67 gal (US)
10.55 gal (Imp)
47.96 L
426.98 kWh
$3.71
($47.01 total for this fill)
22.57 mpg (US)
27.11 mpg (Imp)
10.42 L/100 km
4.43 gal (US)/100 mi
1492.94 Wh/mi
Fuel usage right now off due to other driver. Lack of details right now. Past best 37.2mpg

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


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