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Fuel log graph
Efficiency log for: Miaderp - 1995 Mazda Miata
  • Lifetime Fuel Economy: 28.4 mpg (US), 8.3 L/100 km, 34.1 mpg (Imp)
  • 90-day Fuel Economy: 28.5 mpg (US), 8.3 L/100 km, 34.2 mpg (Imp)
  • 3-tank Fuel Economy: 28.7 mpg (US), 8.2 L/100 km, 34.4 mpg (Imp)
  • EPA Combined Rating / % over rating: 23 mpg (US) / 23.9% (based on 90-day fuel economy)
  • Total fills: 46
  • Average cost per gal/L: $2.72 per gal (US); $0.00 per L (price data entered for 46 fill/s)
  • Average cost per fill: $25.46
  • Average distance cost: $0.10 per mi. / $0.06 per km
  • Total fuel used: 430.55 gal (US), 1629.8 L
  • Total distance traveled: 12210.2 mi. / 19650.4 km
  • Total cost: $1,171.00
  • Total fuel saved vs. EPA: 100.3 gal. (US) / 379.7 L
  • Total saved: $272.82 (based on avg. cost per gal./L)
  • Average tank distance: 265.4 mi. / 427.2 km
Fill date Distance Fill amount Price Fuel Economy Details
2017-08-13 327.3 mi
526.74 km
11.244 gal (US)
9.36 gal (Imp)
42.56 L
378.92 kWh
$2.73
($30.7 total for this fill)
29.11 mpg (US)
34.97 mpg (Imp)
8.08 L/100 km
3.44 gal (US)/100 mi
1157.71 Wh/mi
2017-08-10 291.5 mi
469.12 km
10.171 gal (US)
8.47 gal (Imp)
38.5 L
342.76 kWh
$2.7
($27.46 total for this fill)
28.66 mpg (US)
34.42 mpg (Imp)
8.21 L/100 km
3.49 gal (US)/100 mi
1175.85 Wh/mi
2017-08-07 282.1 mi
454 km
10 gal (US)
8.33 gal (Imp)
37.85 L
337 kWh
$2.75
($27.5 total for this fill)
28.21 mpg (US)
33.87 mpg (Imp)
8.34 L/100 km
3.54 gal (US)/100 mi
1194.61 Wh/mi
2017-08-06 112.6 mi
181.21 km
4.17 gal (US)
3.47 gal (Imp)
15.79 L
140.53 kWh
$2.2
($9.17 total for this fill)
27 mpg (US)
32.45 mpg (Imp)
8.71 L/100 km
3.7 gal (US)/100 mi
1248.05 Wh/mi
2017-08-06 157.6 mi
253.63 km
5.811 gal (US)
4.84 gal (Imp)
22 L
195.83 kWh
$2.11
($12.26 total for this fill)
27.12 mpg (US)
32.56 mpg (Imp)
8.67 L/100 km
3.69 gal (US)/100 mi
1242.58 Wh/mi
2017-08-05 248.9 mi
400.57 km
8.279 gal (US)
6.89 gal (Imp)
31.34 L
279 kWh
$2.16
($17.88 total for this fill)
30.06 mpg (US)
36.12 mpg (Imp)
7.82 L/100 km
3.33 gal (US)/100 mi
1120.93 Wh/mi
2017-08-05 238.3 mi
383.51 km
8.185 gal (US)
6.81 gal (Imp)
30.98 L
275.83 kWh
$2.7
($22.1 total for this fill)
29.11 mpg (US)
34.99 mpg (Imp)
8.08 L/100 km
3.43 gal (US)/100 mi
1157.49 Wh/mi
2017-08-03 289 mi
465.1 km
9.852 gal (US)
8.2 gal (Imp)
37.29 L
332.01 kWh
$2.6
($25.62 total for this fill)
29.33 mpg (US)
35.24 mpg (Imp)
8.02 L/100 km
3.41 gal (US)/100 mi
1148.82 Wh/mi
2017-07-31 234.4 mi
377.23 km
8.298 gal (US)
6.91 gal (Imp)
31.41 L
279.64 kWh
$2.6
($21.57 total for this fill)
28.25 mpg (US)
33.92 mpg (Imp)
8.33 L/100 km
3.54 gal (US)/100 mi
1193 Wh/mi
2017-07-27 289.8 mi
466.39 km
10.118 gal (US)
8.42 gal (Imp)
38.3 L
340.98 kWh
$2.5
($25.3 total for this fill)
28.64 mpg (US)
34.42 mpg (Imp)
8.21 L/100 km
3.49 gal (US)/100 mi
1176.6 Wh/mi
2017-07-24 338.2 mi
544.28 km
12.08 gal (US)
10.06 gal (Imp)
45.73 L
407.1 kWh
$2.5
($30.2 total for this fill)
28 mpg (US)
33.62 mpg (Imp)
8.4 L/100 km
3.57 gal (US)/100 mi
1203.73 Wh/mi
2017-07-18 304.5 mi
490.05 km
10.726 gal (US)
8.93 gal (Imp)
40.6 L
361.47 kWh
$2.5
($26.82 total for this fill)
28.39 mpg (US)
34.1 mpg (Imp)
8.28 L/100 km
3.52 gal (US)/100 mi
1187.09 Wh/mi
2017-07-13 377.3 mi
607.21 km
13.167 gal (US)
10.96 gal (Imp)
49.84 L
443.73 kWh
$2.5
($32.92 total for this fill)
28.65 mpg (US)
34.43 mpg (Imp)
8.21 L/100 km
3.49 gal (US)/100 mi
1176.07 Wh/mi
2017-07-10 372.9 mi
600.12 km
13.039 gal (US)
10.86 gal (Imp)
49.36 L
439.41 kWh
$2.6
($33.9 total for this fill)
28.6 mpg (US)
34.34 mpg (Imp)
8.23 L/100 km
3.5 gal (US)/100 mi
1178.36 Wh/mi
2017-07-05 323.3 mi
520.3 km
11.5 gal (US)
9.58 gal (Imp)
43.53 L
387.55 kWh
$2.6
($29.9 total for this fill)
28.11 mpg (US)
33.75 mpg (Imp)
8.37 L/100 km
3.56 gal (US)/100 mi
1198.73 Wh/mi
2017-06-29 303.4 mi
488.27 km
10.53 gal (US)
8.77 gal (Imp)
39.86 L
354.86 kWh
$2.59
($27.27 total for this fill)
28.81 mpg (US)
34.6 mpg (Imp)
8.16 L/100 km
3.47 gal (US)/100 mi
1169.61 Wh/mi
ODO: 137616
2017-06-27 318.5 mi
512.58 km
11.557 gal (US)
9.62 gal (Imp)
43.75 L
389.47 kWh
$2.66
($30.74 total for this fill)
27.56 mpg (US)
33.11 mpg (Imp)
8.54 L/100 km
3.63 gal (US)/100 mi
1222.83 Wh/mi
2017-06-22 394.8 mi
635.37 km
13.559 gal (US)
11.29 gal (Imp)
51.33 L
456.94 kWh
$2.7
($36.61 total for this fill)
29.12 mpg (US)
34.97 mpg (Imp)
8.08 L/100 km
3.43 gal (US)/100 mi
1157.4 Wh/mi
2017-06-16 199.8 mi
321.55 km
6.928 gal (US)
5.77 gal (Imp)
26.23 L
233.47 kWh
$2.9
($20.09 total for this fill)
28.84 mpg (US)
34.63 mpg (Imp)
8.16 L/100 km
3.47 gal (US)/100 mi
1168.52 Wh/mi
2017-06-14 285.6 mi
459.63 km
10.436 gal (US)
8.69 gal (Imp)
39.5 L
351.69 kWh
$2.75
($28.7 total for this fill)
27.37 mpg (US)
32.87 mpg (Imp)
8.59 L/100 km
3.65 gal (US)/100 mi
1231.41 Wh/mi
Let little brother borrow car for more than half the tank.
2017-06-07 209.3 mi
336.84 km
7.303 gal (US)
6.08 gal (Imp)
27.64 L
246.11 kWh
$2.8
($20.45 total for this fill)
28.66 mpg (US)
34.42 mpg (Imp)
8.21 L/100 km
3.49 gal (US)/100 mi
1175.87 Wh/mi
ODO: 136114
2017-05-31 187.5 mi
301.75 km
6.492 gal (US)
5.4 gal (Imp)
24.57 L
218.78 kWh
$2.8
($18.18 total for this fill)
28.88 mpg (US)
34.72 mpg (Imp)
8.14 L/100 km
3.46 gal (US)/100 mi
1166.83 Wh/mi
ODO: 135904
2017-05-29 234 mi
376.59 km
8.33 gal (US)
6.94 gal (Imp)
31.53 L
280.72 kWh
$2.8
($23.32 total for this fill)
28.09 mpg (US)
33.72 mpg (Imp)
8.37 L/100 km
3.56 gal (US)/100 mi
1199.66 Wh/mi
Lots of city driving.
2017-05-26 186.1 mi
299.5 km
6.587 gal (US)
5.48 gal (Imp)
24.93 L
221.98 kWh
$2.8
($18.44 total for this fill)
28.25 mpg (US)
33.96 mpg (Imp)
8.32 L/100 km
3.54 gal (US)/100 mi
1192.8 Wh/mi
2017-05-24 196.8 mi
316.72 km
6.934 gal (US)
5.77 gal (Imp)
26.25 L
233.68 kWh
$2.8
($19.42 total for this fill)
28.38 mpg (US)
34.11 mpg (Imp)
8.29 L/100 km
3.52 gal (US)/100 mi
1187.4 Wh/mi
2017-05-22 206.4 mi
332.17 km
7.759 gal (US)
6.46 gal (Imp)
29.37 L
261.48 kWh
$2.8
($21.73 total for this fill)
26.6 mpg (US)
31.95 mpg (Imp)
8.84 L/100 km
3.76 gal (US)/100 mi
1266.86 Wh/mi
Lots and lots of A/C use. Lot of fast driving.
2017-05-19 206.9 mi
332.97 km
6.872 gal (US)
5.72 gal (Imp)
26.01 L
231.59 kWh
$2.8
($19.24 total for this fill)
30.11 mpg (US)
36.17 mpg (Imp)
7.81 L/100 km
3.32 gal (US)/100 mi
1119.33 Wh/mi
2017-05-17 240.8 mi
387.53 km
8.225 gal (US)
6.85 gal (Imp)
31.14 L
277.18 kWh
$2.81
($23.11 total for this fill)
29.28 mpg (US)
35.15 mpg (Imp)
8.04 L/100 km
3.42 gal (US)/100 mi
1151.08 Wh/mi
ODO:134687
2017-05-14 267.6 mi
430.66 km
9.784 gal (US)
8.15 gal (Imp)
37.04 L
329.72 kWh
$2.78
($27.2 total for this fill)
27.35 mpg (US)
32.83 mpg (Imp)
8.6 L/100 km
3.66 gal (US)/100 mi
1232.14 Wh/mi
2017-05-09 215.9 mi
347.46 km
7.623 gal (US)
6.35 gal (Imp)
28.86 L
256.9 kWh
$2.8
($21.34 total for this fill)
28.32 mpg (US)
34 mpg (Imp)
8.31 L/100 km
3.53 gal (US)/100 mi
1189.9 Wh/mi
ODO: 134178
2017-05-07 231.4 mi
372.4 km
7.738 gal (US)
6.44 gal (Imp)
29.29 L
260.77 kWh
$2.8
($21.67 total for this fill)
29.9 mpg (US)
35.93 mpg (Imp)
7.87 L/100 km
3.34 gal (US)/100 mi
1126.92 Wh/mi
ODO: 133962

Lots of headwinds.
2017-05-05 281.4 mi
452.87 km
9.774 gal (US)
8.14 gal (Imp)
37 L
329.38 kWh
$2.83
($27.66 total for this fill)
28.79 mpg (US)
34.57 mpg (Imp)
8.17 L/100 km
3.47 gal (US)/100 mi
1170.5 Wh/mi
ODO: 133731.

Almost entire tank had A/C on.
75mph driving.
2017-05-04 286 mi
460.27 km
9.786 gal (US)
8.15 gal (Imp)
37.04 L
329.79 kWh
$2.77
($27.11 total for this fill)
29.23 mpg (US)
35.09 mpg (Imp)
8.05 L/100 km
3.42 gal (US)/100 mi
1153.11 Wh/mi
ODO: 133450
2017-05-01 293.2 mi
471.86 km
10.32 gal (US)
8.59 gal (Imp)
39.07 L
347.78 kWh
$2.8
($28.9 total for this fill)
28.41 mpg (US)
34.13 mpg (Imp)
8.28 L/100 km
3.52 gal (US)/100 mi
1186.15 Wh/mi
2017-04-24 273.9 mi
440.8 km
9.628 gal (US)
8.02 gal (Imp)
36.45 L
324.46 kWh
$2.8
($26.96 total for this fill)
28.45 mpg (US)
34.15 mpg (Imp)
8.27 L/100 km
3.52 gal (US)/100 mi
1184.59 Wh/mi
2017-04-20 225 mi
362.1 km
7.425 gal (US)
6.18 gal (Imp)
28.11 L
250.22 kWh
$2.8
($20.79 total for this fill)
30.3 mpg (US)
36.41 mpg (Imp)
7.76 L/100 km
3.3 gal (US)/100 mi
1112.09 Wh/mi
ODO: 132597
2017-04-19 213.3 mi
343.27 km
7.418 gal (US)
6.18 gal (Imp)
28.08 L
249.99 kWh
$2.8
($20.77 total for this fill)
28.75 mpg (US)
34.51 mpg (Imp)
8.18 L/100 km
3.48 gal (US)/100 mi
1172.01 Wh/mi
ODO: 132372
2017-04-17 315.7 mi
508.07 km
11 gal (US)
9.16 gal (Imp)
41.64 L
370.7 kWh
$3.1
($34.1 total for this fill)
28.7 mpg (US)
34.47 mpg (Imp)
8.2 L/100 km
3.48 gal (US)/100 mi
1174.22 Wh/mi
ODO 132158
2017-04-11 276.5 mi
444.98 km
9.049 gal (US)
7.53 gal (Imp)
34.25 L
304.95 kWh
$3.1
($28.05 total for this fill)
30.56 mpg (US)
36.72 mpg (Imp)
7.7 L/100 km
3.27 gal (US)/100 mi
1102.89 Wh/mi
2017-04-07 256.9 mi
413.44 km
8.671 gal (US)
7.22 gal (Imp)
32.82 L
292.21 kWh
$3.07
($26.62 total for this fill)
29.63 mpg (US)
35.58 mpg (Imp)
7.94 L/100 km
3.38 gal (US)/100 mi
1137.45 Wh/mi
2017-03-26 284 mi
457.05 km
10.5 gal (US)
8.74 gal (Imp)
39.75 L
353.85 kWh
$3
($31.5 total for this fill)
27.05 mpg (US)
32.49 mpg (Imp)
8.7 L/100 km
3.7 gal (US)/100 mi
1245.95 Wh/mi
2017-03-11 301.9 mi
485.86 km
10.932 gal (US)
9.1 gal (Imp)
41.38 L
368.41 kWh
$2.8
($30.61 total for this fill)
27.62 mpg (US)
33.18 mpg (Imp)
8.52 L/100 km
3.62 gal (US)/100 mi
1220.3 Wh/mi
2017-03-05 303.1 mi
487.79 km
11.289 gal (US)
9.4 gal (Imp)
42.73 L
380.44 kWh
$2.8
($31.61 total for this fill)
26.85 mpg (US)
32.24 mpg (Imp)
8.76 L/100 km
3.72 gal (US)/100 mi
1255.16 Wh/mi
Lots of 80mph+ driving and some 100mph+ driving.
2017-03-03 253.3 mi
407.65 km
9.435 gal (US)
7.86 gal (Imp)
35.72 L
317.96 kWh
$2.76
($26.04 total for this fill)
26.85 mpg (US)
32.23 mpg (Imp)
8.76 L/100 km
3.72 gal (US)/100 mi
1255.27 Wh/mi
Installed cruise and poured MMO in oil.
2017-02-24 277.2 mi
446.11 km
10.523 gal (US)
8.76 gal (Imp)
39.83 L
354.63 kWh
$2.7
($28.41 total for this fill)
26.34 mpg (US)
31.64 mpg (Imp)
8.93 L/100 km
3.8 gal (US)/100 mi
1279.33 Wh/mi
Mostly freeway with some idling and hard city driving.

130,166 miles
2017-02-19 296.3 mi
476.85 km
11.502 gal (US)
9.58 gal (Imp)
43.54 L
387.62 kWh
$2.7
($31.06 total for this fill)
25.76 mpg (US)
30.93 mpg (Imp)
9.13 L/100 km
3.88 gal (US)/100 mi
1308.2 Wh/mi
My little bro drove ~120miles of this tank at 85-100mph. Then a lot of 1-4 mile trips around town for the next 60 miles, and then 100 miles battling 20-40mph winds with rain, stop and go traffic and generally ****ty driving conditions.

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


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