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Fuel log graph
Efficiency log for: Felicia - 2009 Toyota Prius Base
  • Lifetime Fuel Economy: 48.9 mpg (US), 4.8 L/100 km, 58.7 mpg (Imp)
  • 90-day Fuel Economy: 49.7 mpg (US), 4.7 L/100 km, 59.7 mpg (Imp)
  • 3-tank Fuel Economy: 51.5 mpg (US), 4.6 L/100 km, 61.9 mpg (Imp)
  • EPA Combined Rating / % over rating: 46 mpg (US) / 8% (based on 90-day fuel economy)
  • Total fills: 58
  • Average cost per gal/L: $2.41 per gal (US); $0.00 per L (price data entered for 47 fill/s)
  • Average cost per fill: $18.20
  • Average distance cost: $0.05 per mi. / $0.03 per km
  • Total fuel used: 448.13 gal (US), 1696.4 L
  • Total distance traveled: 21912.9 mi. / 35265.4 km
  • Total cost: $855.54
  • Total fuel saved vs. EPA: 28.2 gal. (US) / 106.7 L
  • Total saved: $67.96 (based on avg. cost per gal./L)
  • Average tank distance: 377.8 mi. / 608 km
Fill date Distance Fill amount Price Fuel Economy Details
2018-10-17 314.2 mi
505.66 km
6.08 gal (US)
5.06 gal (Imp)
23.02 L
204.9 kWh
$2.66
($16.17 total for this fill)
51.68 mpg (US)
62.09 mpg (Imp)
4.55 L/100 km
1.94 gal (US)/100 mi
652.13 Wh/mi
2018-10-04 348.9 mi
561.5 km
6.72 gal (US)
5.6 gal (Imp)
25.44 L
226.46 kWh
$2.66
($17.88 total for this fill)
51.92 mpg (US)
62.3 mpg (Imp)
4.53 L/100 km
1.93 gal (US)/100 mi
649.07 Wh/mi
2018-09-30 302.5 mi
486.83 km
5.94 gal (US)
4.95 gal (Imp)
22.49 L
200.18 kWh
$2.66
($15.8 total for this fill)
50.93 mpg (US)
61.11 mpg (Imp)
4.62 L/100 km
1.96 gal (US)/100 mi
661.75 Wh/mi
2018-09-25 486.4 mi
782.78 km
9.722 gal (US)
8.09 gal (Imp)
36.8 L
327.63 kWh
50.03 mpg (US)
60.12 mpg (Imp)
4.7 L/100 km
2 gal (US)/100 mi
673.58 Wh/mi
2018-09-09 467.8 mi
752.85 km
8.81 gal (US)
7.34 gal (Imp)
33.35 L
296.9 kWh
53.1 mpg (US)
63.73 mpg (Imp)
4.43 L/100 km
1.88 gal (US)/100 mi
634.67 Wh/mi
Today is exactly one year since I first bought the car. I've got to say, I'm REALLY stoked about EV mode whenever I can get it to engage. I only get a mile or so at a time, but humming along (literally humming) with no ICE sound is pretty awesome.
2018-09-03 302.9 mi
487.47 km
6.414 gal (US)
5.34 gal (Imp)
24.28 L
216.15 kWh
$2.54
($16.29 total for this fill)
47.22 mpg (US)
56.72 mpg (Imp)
4.98 L/100 km
2.12 gal (US)/100 mi
713.6 Wh/mi
2018-08-29 328.1 mi
528.03 km
6.96 gal (US)
5.8 gal (Imp)
26.35 L
234.55 kWh
$2.3
($16.01 total for this fill)
47.14 mpg (US)
56.57 mpg (Imp)
4.99 L/100 km
2.12 gal (US)/100 mi
714.87 Wh/mi
2018-08-24 412.4 mi
663.69 km
8.57 gal (US)
7.14 gal (Imp)
32.44 L
288.81 kWh
$2.58
($22.11 total for this fill)
48.12 mpg (US)
57.76 mpg (Imp)
4.89 L/100 km
2.08 gal (US)/100 mi
700.32 Wh/mi
2018-08-19 374.2 mi
602.22 km
7.34 gal (US)
6.11 gal (Imp)
27.78 L
247.36 kWh
$2.44
($17.91 total for this fill)
50.98 mpg (US)
61.24 mpg (Imp)
4.61 L/100 km
1.96 gal (US)/100 mi
661.04 Wh/mi
2018-08-14 329 mi
529.47 km
6.136 gal (US)
5.11 gal (Imp)
23.23 L
206.78 kWh
$2.44
($14.97 total for this fill)
53.62 mpg (US)
64.38 mpg (Imp)
4.39 L/100 km
1.87 gal (US)/100 mi
628.51 Wh/mi
Commuting
2018-08-07 423.7 mi
681.88 km
8.91 gal (US)
7.42 gal (Imp)
33.73 L
300.27 kWh
$2.54
($22.63 total for this fill)
47.55 mpg (US)
57.1 mpg (Imp)
4.95 L/100 km
2.1 gal (US)/100 mi
708.69 Wh/mi
2018-07-27 443.6 mi
713.9 km
9.12 gal (US)
7.59 gal (Imp)
34.52 L
307.34 kWh
$2.44
($22.25 total for this fill)
48.64 mpg (US)
58.45 mpg (Imp)
4.84 L/100 km
2.06 gal (US)/100 mi
692.83 Wh/mi
2018-07-19 402.7 mi
648.08 km
8.611 gal (US)
7.17 gal (Imp)
32.6 L
290.19 kWh
$2.44
($21.01 total for this fill)
46.77 mpg (US)
56.16 mpg (Imp)
5.03 L/100 km
2.14 gal (US)/100 mi
720.61 Wh/mi
2018-07-14 440.3 mi
708.59 km
10 gal (US)
8.33 gal (Imp)
37.85 L
337 kWh
$2.66
($26.6 total for this fill)
44.03 mpg (US)
52.86 mpg (Imp)
5.34 L/100 km
2.27 gal (US)/100 mi
765.39 Wh/mi
Sweetie's effects on the fuel economy are bad enough, but this tank even includes a stakeout, tracking an employee who was misusing company vehicles and lolligagging on the clock. She sat in one spot for nearly an hour with the air on.
2018-07-10 308.3 mi
496.16 km
6.03 gal (US)
5.02 gal (Imp)
22.83 L
203.21 kWh
$2.46
($14.83 total for this fill)
51.13 mpg (US)
61.41 mpg (Imp)
4.6 L/100 km
1.96 gal (US)/100 mi
659.13 Wh/mi
2018-07-06 389.4 mi
626.68 km
9.187 gal (US)
7.65 gal (Imp)
34.78 L
309.6 kWh
$2.45
($22.51 total for this fill)
42.39 mpg (US)
50.9 mpg (Imp)
5.55 L/100 km
2.36 gal (US)/100 mi
795.07 Wh/mi
The Prius is really good in the shoulders of the year, but when it gets hot the AC use drives the fuel economy through the floor.
And occasionally Sweetie will sit in the car with the air on while waiting for me, and that isn't helping things at all.
2018-06-30 406.5 mi
654.2 km
8.14 gal (US)
6.78 gal (Imp)
30.81 L
274.32 kWh
$2.44
($19.86 total for this fill)
49.94 mpg (US)
59.96 mpg (Imp)
4.71 L/100 km
2 gal (US)/100 mi
674.83 Wh/mi
Commuting. Lots of rain this week, and the HUD reported only 47.4 mpg.
2018-06-25 509.4 mi
819.8 km
9.9 gal (US)
8.24 gal (Imp)
37.48 L
333.63 kWh
51.45 mpg (US)
61.82 mpg (Imp)
4.57 L/100 km
1.94 gal (US)/100 mi
654.95 Wh/mi
It's an uncommon tank to go over 500 miles. One long tank from Charleston SC to Knoxville TN
2018-06-21 495.5 mi
797.43 km
9.59 gal (US)
7.98 gal (Imp)
36.3 L
323.18 kWh
51.67 mpg (US)
62.09 mpg (Imp)
4.55 L/100 km
1.94 gal (US)/100 mi
652.23 Wh/mi
2018-06-19 429 mi
690.41 km
9.4 gal (US)
7.83 gal (Imp)
35.58 L
316.78 kWh
45.64 mpg (US)
54.79 mpg (Imp)
5.15 L/100 km
2.19 gal (US)/100 mi
738.41 Wh/mi
OUCH again! Dang the AC use really hammers on this car.
2018-06-13 296.8 mi
477.65 km
7.9 gal (US)
6.58 gal (Imp)
29.9 L
266.23 kWh
37.57 mpg (US)
45.11 mpg (Imp)
6.26 L/100 km
2.66 gal (US)/100 mi
897 Wh/mi
OUCH
2018-06-03 406.1 mi
653.55 km
8.01 gal (US)
6.67 gal (Imp)
30.32 L
269.94 kWh
$2.44
($19.54 total for this fill)
50.7 mpg (US)
60.88 mpg (Imp)
4.64 L/100 km
1.97 gal (US)/100 mi
664.71 Wh/mi
2018-05-21 350.9 mi
564.72 km
7 gal (US)
5.83 gal (Imp)
26.5 L
235.9 kWh
50.13 mpg (US)
60.19 mpg (Imp)
4.69 L/100 km
1.99 gal (US)/100 mi
672.27 Wh/mi
2018-05-16 322.9 mi
519.66 km
6.35 gal (US)
5.29 gal (Imp)
24.04 L
214 kWh
$3.45
($21.91 total for this fill)
50.85 mpg (US)
61.04 mpg (Imp)
4.63 L/100 km
1.97 gal (US)/100 mi
662.74 Wh/mi
2018-05-12 509.8 mi
820.44 km
9.58 gal (US)
7.98 gal (Imp)
36.26 L
322.85 kWh
$2.44
($23.38 total for this fill)
53.22 mpg (US)
63.88 mpg (Imp)
4.42 L/100 km
1.88 gal (US)/100 mi
633.29 Wh/mi
2018-05-06 299 mi
481.19 km
5.362 gal (US)
4.47 gal (Imp)
20.3 L
180.7 kWh
$2.9
($15.55 total for this fill)
55.76 mpg (US)
66.89 mpg (Imp)
4.22 L/100 km
1.79 gal (US)/100 mi
604.35 Wh/mi
Wow!
2018-05-01 403.8 mi
649.85 km
8 gal (US)
6.66 gal (Imp)
30.28 L
269.6 kWh
$2.36
($18.88 total for this fill)
50.48 mpg (US)
60.63 mpg (Imp)
4.66 L/100 km
1.98 gal (US)/100 mi
667.66 Wh/mi
2018-04-21 261.1 mi
420.2 km
5.22 gal (US)
4.35 gal (Imp)
19.76 L
175.91 kWh
$2.6
($13.57 total for this fill)
50.02 mpg (US)
60.02 mpg (Imp)
4.7 L/100 km
2 gal (US)/100 mi
673.73 Wh/mi
2018-04-18 390.6 mi
628.61 km
7.4 gal (US)
6.16 gal (Imp)
28.01 L
249.38 kWh
$2.4
($17.76 total for this fill)
52.78 mpg (US)
63.41 mpg (Imp)
4.46 L/100 km
1.89 gal (US)/100 mi
638.45 Wh/mi
This tank I filled with premium, 93 octane. I may do a few tanks with higher octane fuel to see if it makes a difference. Warming weather may skew the results, however.
2018-04-13 467.9 mi
753.01 km
9.03 gal (US)
7.52 gal (Imp)
34.18 L
304.31 kWh
$2.3
($20.77 total for this fill)
51.82 mpg (US)
62.22 mpg (Imp)
4.54 L/100 km
1.93 gal (US)/100 mi
650.37 Wh/mi
2018-03-28 363.4 mi
584.84 km
7.25 gal (US)
6.04 gal (Imp)
27.44 L
244.33 kWh
$2.46
($17.84 total for this fill)
50.12 mpg (US)
60.17 mpg (Imp)
4.69 L/100 km
2 gal (US)/100 mi
672.34 Wh/mi
2018-03-24 333.3 mi
536.39 km
6.44 gal (US)
5.36 gal (Imp)
24.38 L
217.03 kWh
$2.46
($15.84 total for this fill)
51.75 mpg (US)
62.18 mpg (Imp)
4.55 L/100 km
1.93 gal (US)/100 mi
651.16 Wh/mi
2018-03-20 463 mi
745.13 km
8.15 gal (US)
6.79 gal (Imp)
30.85 L
274.66 kWh
$2.36
($19.23 total for this fill)
56.81 mpg (US)
68.19 mpg (Imp)
4.14 L/100 km
1.76 gal (US)/100 mi
593.22 Wh/mi
2018-03-11 231.8 mi
373.05 km
5 gal (US)
4.16 gal (Imp)
18.93 L
168.5 kWh
$2.23
($11.15 total for this fill)
46.36 mpg (US)
55.72 mpg (Imp)
5.07 L/100 km
2.16 gal (US)/100 mi
726.92 Wh/mi
2018-03-01 422.2 mi
679.47 km
8.045 gal (US)
6.7 gal (Imp)
30.45 L
271.12 kWh
$2.2
($17.7 total for this fill)
52.48 mpg (US)
63.01 mpg (Imp)
4.48 L/100 km
1.91 gal (US)/100 mi
642.16 Wh/mi
2018-02-24 450.3 mi
724.69 km
9.06 gal (US)
7.54 gal (Imp)
34.3 L
305.32 kWh
$2.26
($20.48 total for this fill)
49.7 mpg (US)
59.72 mpg (Imp)
4.73 L/100 km
2.01 gal (US)/100 mi
678.04 Wh/mi
2018-02-21 438.6 mi
705.86 km
8.75 gal (US)
7.29 gal (Imp)
33.12 L
294.88 kWh
$2.14
($18.73 total for this fill)
50.13 mpg (US)
60.16 mpg (Imp)
4.69 L/100 km
1.99 gal (US)/100 mi
672.32 Wh/mi
Lots of commuting. One of the smoothie wheel discs has failed, but I heard it coming loose before it parted company. I'll have to do the spacers in something besides wood.
2018-02-15 384.6 mi
618.95 km
8.38 gal (US)
6.98 gal (Imp)
31.72 L
282.41 kWh
$2.28
($19.11 total for this fill)
45.89 mpg (US)
55.1 mpg (Imp)
5.12 L/100 km
2.18 gal (US)/100 mi
734.3 Wh/mi
2018-02-10 258.7 mi
416.34 km
5.13 gal (US)
4.27 gal (Imp)
19.42 L
172.88 kWh
$2.35
($12.06 total for this fill)
50.43 mpg (US)
60.59 mpg (Imp)
4.66 L/100 km
1.98 gal (US)/100 mi
668.26 Wh/mi
2018-02-07 275.1 mi
442.73 km
5.93 gal (US)
4.94 gal (Imp)
22.45 L
199.84 kWh
$2.36
($13.99 total for this fill)
46.39 mpg (US)
55.69 mpg (Imp)
5.07 L/100 km
2.16 gal (US)/100 mi
726.43 Wh/mi
2018-01-26 403.4 mi
649.21 km
8.6 gal (US)
7.16 gal (Imp)
32.55 L
289.82 kWh
$2.2
($18.92 total for this fill)
46.91 mpg (US)
56.34 mpg (Imp)
5.01 L/100 km
2.13 gal (US)/100 mi
718.44 Wh/mi
2018-01-21 240.1 mi
386.4 km
5.82 gal (US)
4.85 gal (Imp)
22.03 L
196.13 kWh
$2.36
($13.74 total for this fill)
41.25 mpg (US)
49.51 mpg (Imp)
5.7 L/100 km
2.42 gal (US)/100 mi
816.87 Wh/mi
2018-01-19 329 mi
529.47 km
6.89 gal (US)
5.74 gal (Imp)
26.08 L
232.19 kWh
47.75 mpg (US)
57.32 mpg (Imp)
4.93 L/100 km
2.09 gal (US)/100 mi
705.74 Wh/mi
2018-01-13 357.7 mi
575.66 km
6.96 gal (US)
5.8 gal (Imp)
26.35 L
234.55 kWh
$2.29
($15.94 total for this fill)
51.39 mpg (US)
61.67 mpg (Imp)
4.58 L/100 km
1.95 gal (US)/100 mi
655.72 Wh/mi
Made a new smoothie to replace the one that came off. Added spacers under all the attachment points to prevent the attachment pulling the trim ring fingers in and making them loose. Appears to be holding okay now.
2018-01-08 330.2 mi
531.41 km
6.79 gal (US)
5.65 gal (Imp)
25.7 L
228.82 kWh
$2.29
($15.55 total for this fill)
48.63 mpg (US)
58.44 mpg (Imp)
4.84 L/100 km
2.06 gal (US)/100 mi
692.97 Wh/mi
Added smoothie wheel discs at all four corners. First trip, one disc came off after about five miles. The others are still on.
2017-12-30 167.8 mi
270.05 km
3.292 gal (US)
2.74 gal (Imp)
12.46 L
110.94 kWh
$2.29
($7.54 total for this fill)
50.97 mpg (US)
61.24 mpg (Imp)
4.61 L/100 km
1.96 gal (US)/100 mi
661.14 Wh/mi
Several trips with the car completely full of people.
2017-12-28 385.2 mi
619.92 km
9.17 gal (US)
7.64 gal (Imp)
34.71 L
309.03 kWh
$2.16
($19.81 total for this fill)
42.01 mpg (US)
50.42 mpg (Imp)
5.6 L/100 km
2.38 gal (US)/100 mi
802.26 Wh/mi
A small driveway mishap damaged one of the underbody panels. It had been damaged before we got the car but now it needs to be replaced. New one is on the way.
2017-12-04 405.8 mi
653.07 km
8.73 gal (US)
7.27 gal (Imp)
33.05 L
294.2 kWh
$2.1
($18.33 total for this fill)
46.48 mpg (US)
55.82 mpg (Imp)
5.06 L/100 km
2.15 gal (US)/100 mi
724.99 Wh/mi
Commuting.
2017-11-30 399.8 mi
643.42 km
7.97 gal (US)
6.64 gal (Imp)
30.17 L
268.59 kWh
$2.4
($19.13 total for this fill)
50.16 mpg (US)
60.21 mpg (Imp)
4.69 L/100 km
1.99 gal (US)/100 mi
671.81 Wh/mi
Commuting. The Prius has a very small tank.
2017-11-23 340.9 mi
548.63 km
8.029 gal (US)
6.68 gal (Imp)
30.39 L
270.58 kWh
$2.26
($18.15 total for this fill)
42.46 mpg (US)
51.03 mpg (Imp)
5.54 L/100 km
2.36 gal (US)/100 mi
793.72 Wh/mi
Commuting
2017-11-08 449.1 mi
722.76 km
8.91 gal (US)
7.42 gal (Imp)
33.73 L
300.27 kWh
$2.4
($21.38 total for this fill)
50.4 mpg (US)
60.53 mpg (Imp)
4.67 L/100 km
1.98 gal (US)/100 mi
668.6 Wh/mi
First time the HUD showed a lower number than the actual mileage: 50.1 reported on the dash.
2017-11-03 406.2 mi
653.72 km
9.06 gal (US)
7.54 gal (Imp)
34.3 L
305.32 kWh
$2.3
($20.84 total for this fill)
44.83 mpg (US)
53.87 mpg (Imp)
5.25 L/100 km
2.23 gal (US)/100 mi
751.65 Wh/mi
Lots of commuting. Getting above-EPA results in this car is VERY difficult, so many of the controls are automated and the driver's range of options is limited.
2017-10-23 450 mi
724.2 km
8.99 gal (US)
7.49 gal (Imp)
34.03 L
302.96 kWh
$2.18
($19.6 total for this fill)
50.06 mpg (US)
60.08 mpg (Imp)
4.7 L/100 km
2 gal (US)/100 mi
673.24 Wh/mi
2017-10-18 397 mi
638.91 km
8.73 gal (US)
7.27 gal (Imp)
33.05 L
294.2 kWh
$2.16
($18.86 total for this fill)
45.48 mpg (US)
54.61 mpg (Imp)
5.17 L/100 km
2.2 gal (US)/100 mi
741.06 Wh/mi
Lots of cruising around in the Smoky Mountains on this tank.
2017-10-14 444 mi
714.55 km
9.25 gal (US)
7.7 gal (Imp)
35.02 L
311.73 kWh
48 mpg (US)
57.66 mpg (Imp)
4.9 L/100 km
2.08 gal (US)/100 mi
702.09 Wh/mi
2017-10-01 215 mi
346.01 km
4.512 gal (US)
3.76 gal (Imp)
17.08 L
152.05 kWh
47.65 mpg (US)
57.18 mpg (Imp)
4.94 L/100 km
2.1 gal (US)/100 mi
707.21 Wh/mi
2017-09-28 486 mi
782.14 km
9.49 gal (US)
7.9 gal (Imp)
35.92 L
319.81 kWh
51.21 mpg (US)
61.52 mpg (Imp)
4.59 L/100 km
1.95 gal (US)/100 mi
658.05 Wh/mi
2017-09-16 461 mi
741.91 km
9.37 gal (US)
7.8 gal (Imp)
35.47 L
315.77 kWh
$2.5
($23.43 total for this fill)
49.2 mpg (US)
59.1 mpg (Imp)
4.78 L/100 km
2.03 gal (US)/100 mi
684.97 Wh/mi
First fill. Mostly commuting, with highway miles on the cruise control at 59 mph. Dash display showed 49.9 miles per gallon, a much smaller error than my other hybrid.

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


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