Fill date |
Distance |
Fill amount |
Price |
Fuel Economy |
Details |
2008-10-22 |
291.2 mi 468.64 km
|
10.62 gal (US) 8.84 gal (Imp) 40.2 L 357.89 kWh
|
$2.9
($30.8 total for this fill) |
27.42 mpg (US)
32.94 mpg (Imp) 8.58 L/100 km 3.65 gal (US)/100 mi 1229.02 Wh/mi |
This trip is post-synthetic ATM fluid. I also refilled the tires. |
2008-10-17 |
439.4 mi 707.15 km
|
15.52 gal (US) 12.92 gal (Imp) 58.75 L 523.02 kWh
|
$3.2
($49.66 total for this fill) |
28.31 mpg (US)
34.01 mpg (Imp) 8.31 L/100 km 3.53 gal (US)/100 mi 1190.3 Wh/mi |
Full synthetic ATF halfway through this tank. A painfully long traffic jam throws off the mileage, though. |
2008-10-07 |
458 mi 737.08 km
|
15.28 gal (US) 12.72 gal (Imp) 57.84 L 514.94 kWh
|
$3.25
($49.66 total for this fill) |
29.97 mpg (US)
36.01 mpg (Imp) 7.85 L/100 km 3.34 gal (US)/100 mi 1124.32 Wh/mi |
|
2008-09-29 |
475.3 mi 764.92 km
|
15.53 gal (US) 12.93 gal (Imp) 58.79 L 523.36 kWh
|
$3.55
($55.13 total for this fill) |
30.61 mpg (US)
36.76 mpg (Imp) 7.69 L/100 km 3.27 gal (US)/100 mi 1101.12 Wh/mi |
Fuel tank capacity seems to be 17.1 gallons. I'm surprised that I didn't see the fuel light come on, but it does mean I could go about 45 more miles (520 total) if so inclined. I see myself driving around with a gas can in the car... |
2008-09-16 |
471.3 mi 758.48 km
|
14.99 gal (US) 12.48 gal (Imp) 56.74 L 505.16 kWh
|
$3.59
($53.81 total for this fill) |
31.44 mpg (US)
37.76 mpg (Imp) 7.48 L/100 km 3.18 gal (US)/100 mi 1071.84 Wh/mi |
Experimenting with using the whole tank for fuel weight efficiency. Goal is 500 miles/tank. |
2008-09-07 |
174.7 mi 281.15 km
|
5.129 gal (US) 4.27 gal (Imp) 19.42 L 172.85 kWh
|
$3.57
($18.31 total for this fill) |
34.06 mpg (US)
40.91 mpg (Imp) 6.91 L/100 km 2.94 gal (US)/100 mi 989.41 Wh/mi |
Value is much higher than I expected, especially since a good amount of this was mountain driving. Also, I wasn't nearly as good as usual about driving speed limit, as GF was in car. High value is therefore due to random gas pump performance, increased efficiency from new synthetic oil, better performance during mountain driving, or better efficiency from staying with traffic at slightly higher speed. Future tanks will tell. |
2008-09-07 |
417.6 mi 672.06 km
|
13.69 gal (US) 11.4 gal (Imp) 51.82 L 461.35 kWh
|
$3.52
($48.19 total for this fill) |
30.5 mpg (US)
36.63 mpg (Imp) 7.71 L/100 km 3.28 gal (US)/100 mi 1104.77 Wh/mi |
Experimenting with waiting longer between fill-ups to see whether there's a fuel efficiency improvement from driving with less average fuel weight.
Changed over to synthetic oil (Mobil 1). |
2008-08-29 |
75 mi 120.7 km
|
2.995 gal (US) 2.49 gal (Imp) 11.34 L 100.93 kWh
|
$3.64
($10.9 total for this fill) |
25.04 mpg (US)
30.12 mpg (Imp) 9.4 L/100 km 3.99 gal (US)/100 mi 1345.73 Wh/mi |
This value is bogus. I did more engine-off coasting on this tank than just about any other. Still, these are the values the pump and odometer displayed... |
2008-08-28 |
187.9 mi 302.4 km
|
6.381 gal (US) 5.31 gal (Imp) 24.15 L 215.04 kWh
|
$3.58
($22.84 total for this fill) |
29.45 mpg (US)
35.39 mpg (Imp) 7.99 L/100 km 3.4 gal (US)/100 mi 1144.44 Wh/mi |
|
2008-08-25 |
215 mi 346.01 km
|
7.44 gal (US) 6.19 gal (Imp) 28.16 L 250.73 kWh
|
$3.67
($27.3 total for this fill) |
28.9 mpg (US)
34.73 mpg (Imp) 8.14 L/100 km 3.46 gal (US)/100 mi 1166.19 Wh/mi |
Fuel economy is slightly worse from the extra fall traffic caused by students in the college town where I work. |
2008-08-20 |
192.9 mi 310.44 km
|
6.943 gal (US) 5.78 gal (Imp) 26.28 L 233.98 kWh
|
$3.71
($25.76 total for this fill) |
27.78 mpg (US)
33.37 mpg (Imp) 8.47 L/100 km 3.6 gal (US)/100 mi 1212.96 Wh/mi |
Not really sure why I've been getting lower MPG. I think it's because I haven't been paying close enough attention to acceleration and speed. |
2008-08-17 |
297.7 mi 479.1 km
|
10.74 gal (US) 8.94 gal (Imp) 40.66 L 361.94 kWh
|
$3.74
($40.17 total for this fill) |
27.72 mpg (US)
33.3 mpg (Imp) 8.49 L/100 km 3.61 gal (US)/100 mi 1215.79 Wh/mi |
A lot of rain, so fuel economy is low. |
2008-08-12 |
141.4 mi 227.56 km
|
4.789 gal (US) 3.99 gal (Imp) 18.13 L 161.39 kWh
|
$3.77
($18.05 total for this fill) |
29.53 mpg (US)
35.44 mpg (Imp) 7.97 L/100 km 3.39 gal (US)/100 mi 1141.37 Wh/mi |
|
2008-08-08 |
72.9 mi 117.32 km
|
2.268 gal (US) 1.89 gal (Imp) 8.59 L 76.43 kWh
|
$3.81
($8.64 total for this fill) |
32.14 mpg (US)
38.57 mpg (Imp) 7.32 L/100 km 3.11 gal (US)/100 mi 1048.42 Wh/mi |
|
2008-08-07 |
244 mi 392.68 km
|
8.051 gal (US) 6.7 gal (Imp) 30.48 L 271.32 kWh
|
$3.81
($30.67 total for this fill) |
30.31 mpg (US)
36.42 mpg (Imp) 7.76 L/100 km 3.3 gal (US)/100 mi 1111.97 Wh/mi |
Got honked at for the first time today for my slow driving (by a pickup truck, of course). Was experimenting with a cardboard air dam, but rainstorm killed the cardboard and screwed with rolling resistance. Next prototype will be coroplast. |
2008-08-04 |
106.4 mi 171.23 km
|
3.629 gal (US) 3.02 gal (Imp) 13.74 L 122.3 kWh
|
$3.81
($13.83 total for this fill) |
29.32 mpg (US)
35.23 mpg (Imp) 8.02 L/100 km 3.41 gal (US)/100 mi 1149.44 Wh/mi |
Made a good 1 mile stretch with engine off. A little rain for 25% of the drive. |
2008-08-01 |
133 mi 214.04 km
|
4.586 gal (US) 3.82 gal (Imp) 17.36 L 154.55 kWh
|
$3.83
($17.56 total for this fill) |
29 mpg (US)
34.82 mpg (Imp) 8.11 L/100 km 3.45 gal (US)/100 mi 1162.03 Wh/mi |
Some driving down hillls with engine off, but can't bear to go without the AC, which is currently ~78 F. |
2008-07-30 |
67 mi 107.83 km
|
2.16 gal (US) 1.8 gal (Imp) 8.18 L 72.79 kWh
|
$3.87
($8.36 total for this fill) |
31.02 mpg (US)
37.22 mpg (Imp) 7.59 L/100 km 3.22 gal (US)/100 mi 1086.42 Wh/mi |
Turned off engine for long and medium lights, approximately 8 times. Coasted up to several reds with engine off. |
2008-07-29 |
70.4 mi 113.3 km
|
2.261 gal (US) 1.88 gal (Imp) 8.56 L 76.2 kWh
|
$3.88
($8.77 total for this fill) |
31.14 mpg (US)
37.45 mpg (Imp) 7.56 L/100 km 3.21 gal (US)/100 mi 1082.39 Wh/mi |
Engine off and neutral coast up to 3 long lights. Working on going over hills slower. |
2008-07-28 |
182.1 mi 293.06 km
|
6.341 gal (US) 5.28 gal (Imp) 24 L 213.69 kWh
|
$3.85
($24.41 total for this fill) |
28.72 mpg (US)
34.49 mpg (Imp) 8.19 L/100 km 3.48 gal (US)/100 mi 1173.48 Wh/mi |
Getting 30 mpg with gas @ $3.85, I save ~ $725/year. |
2008-07-25 |
149.9 mi 241.24 km
|
4.844 gal (US) 4.03 gal (Imp) 18.34 L 163.24 kWh
|
$3.85
($18.65 total for this fill) |
30.95 mpg (US)
37.2 mpg (Imp) 7.6 L/100 km 3.23 gal (US)/100 mi 1088.99 Wh/mi |
|
2008-07-23 |
95.8 mi 154.18 km
|
3.312 gal (US) 2.76 gal (Imp) 12.54 L 111.61 kWh
|
$3.889
($12.88 total for this fill) |
28.93 mpg (US)
34.71 mpg (Imp) 8.13 L/100 km 3.46 gal (US)/100 mi 1165.03 Wh/mi |
|
2008-07-21 |
171.7 mi 276.32 km
|
4.138 gal (US) 3.44 gal (Imp) 15.66 L 139.45 kWh
|
$3.91
($16.18 total for this fill) |
41.49 mpg (US)
49.91 mpg (Imp) 5.67 L/100 km 2.41 gal (US)/100 mi 812.17 Wh/mi |
This mileage seems a little too high--the pump that I use at a King Soopers gas station isn't very consistent. I figure it'll average out over time, since I always use the same pump. |
2008-07-18 |
99.7 mi 160.45 km
|
2.876 gal (US) 2.4 gal (Imp) 10.89 L 96.92 kWh
|
|
34.67 mpg (US)
41.54 mpg (Imp) 6.79 L/100 km 2.88 gal (US)/100 mi 972.12 Wh/mi |
May or may not have been drafting a truck or two. |
2008-07-14 |
76.8 mi 123.6 km
|
3.002 gal (US) 2.5 gal (Imp) 11.36 L 101.17 kWh
|
|
25.58 mpg (US)
30.72 mpg (Imp) 9.19 L/100 km 3.91 gal (US)/100 mi 1317.32 Wh/mi |
Tires now at 44 psi. Mileage lower because, well, GF was in the car and I didn't want to drive like a dork. |
2008-07-11 |
111.9 mi 180.09 km
|
3.75 gal (US) 3.12 gal (Imp) 14.2 L 126.38 kWh
|
|
29.84 mpg (US)
35.87 mpg (Imp) 7.88 L/100 km 3.35 gal (US)/100 mi 1129.4 Wh/mi |
|
2008-07-09 |
136.2 mi 219.19 km
|
4.946 gal (US) 4.12 gal (Imp) 18.72 L 166.68 kWh
|
|
27.54 mpg (US)
33.06 mpg (Imp) 8.54 L/100 km 3.63 gal (US)/100 mi 1223.79 Wh/mi |
|
2008-07-07 |
61 mi 98.17 km
|
1.884 gal (US) 1.57 gal (Imp) 7.13 L 63.49 kWh
|
|
32.38 mpg (US)
38.85 mpg (Imp) 7.26 L/100 km 3.09 gal (US)/100 mi 1040.82 Wh/mi |
|
2008-07-06 |
92.8 mi 149.35 km
|
3.995 gal (US) 3.33 gal (Imp) 15.12 L 134.63 kWh
|
|
23.23 mpg (US)
27.87 mpg (Imp) 10.12 L/100 km 4.3 gal (US)/100 mi 1450.75 Wh/mi |
|
2008-07-02 |
59 mi 94.95 km
|
1.605 gal (US) 1.34 gal (Imp) 6.08 L 54.09 kWh
|
|
36.76 mpg (US)
44.03 mpg (Imp) 6.4 L/100 km 2.72 gal (US)/100 mi 916.78 Wh/mi |
Much more extensive use of cruise control, slower on hills if no traffic following. Removed rear spoiler. Less pressured by tailgaters. At 37.4 MPG (goal) and gas at $4.00, I save $1000/year. |
2008-06-26 |
119 mi 191.51 km
|
4.007 gal (US) 3.34 gal (Imp) 15.17 L 135.04 kWh
|
|
29.7 mpg (US)
35.63 mpg (Imp) 7.92 L/100 km 3.37 gal (US)/100 mi 1134.79 Wh/mi |
After two weeks of adjusted driving techniques, tires @ 40 PSI, techno music --> Harry Potter books on tape. |