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Fuel log graph
Efficiency log for: The Miata - 1994 Mazda Miata MX-5
  • Lifetime Fuel Economy: 32.9 mpg (US), 7.1 L/100 km, 39.5 mpg (Imp)
  • 90-day Fuel Economy: 30.6 mpg (US), 7.7 L/100 km, 36.8 mpg (Imp)
  • 3-tank Fuel Economy: 31 mpg (US), 7.6 L/100 km, 37.2 mpg (Imp)
  • EPA Combined Rating / % over rating: 21 mpg (US) / 45.8% (based on 90-day fuel economy)
  • Total fills: 34
  • Average cost per gal/L: $2.37 per gal (US); $0.00 per L (price data entered for 34 fill/s)
  • Average cost per fill: $23.17
  • Average distance cost: $0.07 per mi. / $0.04 per km
  • Total fuel used: 332.05 gal (US), 1256.9 L
  • Total distance traveled: 10935.8 mi. / 17599.5 km
  • Total cost: $787.64
  • Total fuel saved vs. EPA: 188.7 gal. (US) / 714.3 L
  • Total saved: $447.22 (based on avg. cost per gal./L)
  • Average tank distance: 321.6 mi. / 517.6 km
Fill date Distance Fill amount Price Fuel Economy Details
2016-03-29 274.3 mi
441.44 km
8.66 gal (US)
7.21 gal (Imp)
32.78 L
291.84 kWh
$2.039
($17.66 total for this fill)
31.67 mpg (US)
38.04 mpg (Imp)
7.43 L/100 km
3.16 gal (US)/100 mi
1063.94 Wh/mi
Last tank fill, car was sold. Ending mileage 304972. *taps*
2016-03-20 314.3 mi
505.82 km
10.225 gal (US)
8.52 gal (Imp)
38.71 L
344.58 kWh
$1.989
($20.34 total for this fill)
30.74 mpg (US)
36.89 mpg (Imp)
7.65 L/100 km
3.25 gal (US)/100 mi
1096.34 Wh/mi
2016-03-11 306 mi
492.46 km
9.975 gal (US)
8.31 gal (Imp)
37.76 L
336.16 kWh
$1.899
($18.94 total for this fill)
30.68 mpg (US)
36.82 mpg (Imp)
7.67 L/100 km
3.26 gal (US)/100 mi
1098.56 Wh/mi
2016-02-26 269.4 mi
433.56 km
8.424 gal (US)
7.01 gal (Imp)
31.89 L
283.89 kWh
$1.869
($15.74 total for this fill)
31.98 mpg (US)
38.43 mpg (Imp)
7.36 L/100 km
3.13 gal (US)/100 mi
1053.79 Wh/mi
2016-02-23 172.6 mi
277.77 km
5.46 gal (US)
4.55 gal (Imp)
20.67 L
184 kWh
$1.929
($10.53 total for this fill)
31.61 mpg (US)
37.93 mpg (Imp)
7.44 L/100 km
3.16 gal (US)/100 mi
1066.05 Wh/mi
2016-02-19 314.1 mi
505.49 km
10.229 gal (US)
8.52 gal (Imp)
38.72 L
344.72 kWh
$1.959
($20.04 total for this fill)
30.71 mpg (US)
36.87 mpg (Imp)
7.66 L/100 km
3.26 gal (US)/100 mi
1097.48 Wh/mi
2016-02-12 229.1 mi
368.7 km
8.007 gal (US)
6.67 gal (Imp)
30.31 L
269.84 kWh
$1.899
($15.21 total for this fill)
28.61 mpg (US)
34.35 mpg (Imp)
8.22 L/100 km
3.49 gal (US)/100 mi
1177.83 Wh/mi
2016-02-09 306.8 mi
493.75 km
9.901 gal (US)
8.24 gal (Imp)
37.48 L
333.66 kWh
$1.999
($19.79 total for this fill)
30.99 mpg (US)
37.23 mpg (Imp)
7.59 L/100 km
3.23 gal (US)/100 mi
1087.55 Wh/mi
2016-02-01 247.1 mi
397.67 km
8.623 gal (US)
7.18 gal (Imp)
32.64 L
290.6 kWh
$2.059
($17.75 total for this fill)
28.66 mpg (US)
34.42 mpg (Imp)
8.21 L/100 km
3.49 gal (US)/100 mi
1176.04 Wh/mi
Snow tires added for the last 50 miles. Snow driving(spinning tires a lot) before the snow tires were added.
2015-12-28 318.1 mi
511.93 km
10.2 gal (US)
8.49 gal (Imp)
38.61 L
343.74 kWh
$2.159
($22.02 total for this fill)
31.19 mpg (US)
37.47 mpg (Imp)
7.54 L/100 km
3.21 gal (US)/100 mi
1080.6 Wh/mi
Last tank before winter hibernation. Testing driving at ~65-70 mph instead of usual 60.
2015-12-18 473.6 mi
762.19 km
14.378 gal (US)
11.97 gal (Imp)
54.43 L
484.54 kWh
$2.229
($32.05 total for this fill)
32.94 mpg (US)
39.57 mpg (Imp)
7.14 L/100 km
3.04 gal (US)/100 mi
1023.1 Wh/mi
One and a half tanks combined.
2015-12-11 309.6 mi
498.25 km
9.439 gal (US)
7.86 gal (Imp)
35.73 L
318.09 kWh
$2.259
($21.32 total for this fill)
32.8 mpg (US)
39.39 mpg (Imp)
7.17 L/100 km
3.05 gal (US)/100 mi
1027.42 Wh/mi
2015-12-00 611.5 mi
984.11 km
18.809 gal (US)
15.66 gal (Imp)
71.2 L
633.86 kWh
$2.279
($42.87 total for this fill)
32.51 mpg (US)
39.05 mpg (Imp)
7.23 L/100 km
3.08 gal (US)/100 mi
1036.57 Wh/mi
Two tanks worth of fuel combined.
2015-11-20 525.5 mi
845.71 km
15.413 gal (US)
12.83 gal (Imp)
58.34 L
519.42 kWh
$2.309
($35.59 total for this fill)
34.09 mpg (US)
40.96 mpg (Imp)
6.9 L/100 km
2.93 gal (US)/100 mi
988.43 Wh/mi
One and a half tanks of fuel.
2015-11-10 310.5 mi
499.7 km
9.114 gal (US)
7.59 gal (Imp)
34.5 L
307.14 kWh
$2.319
($21.14 total for this fill)
34.07 mpg (US)
40.91 mpg (Imp)
6.9 L/100 km
2.94 gal (US)/100 mi
989.18 Wh/mi
2015-11-04 349.3 mi
562.14 km
10.001 gal (US)
8.33 gal (Imp)
37.86 L
337.03 kWh
$2.289
($22.89 total for this fill)
34.93 mpg (US)
41.93 mpg (Imp)
6.73 L/100 km
2.86 gal (US)/100 mi
964.87 Wh/mi
2015-10-23 342.8 mi
551.68 km
10.231 gal (US)
8.52 gal (Imp)
38.73 L
344.78 kWh
$2.379
($24.34 total for this fill)
33.51 mpg (US)
40.23 mpg (Imp)
7.02 L/100 km
2.98 gal (US)/100 mi
1005.78 Wh/mi
2015-10-15 313.4 mi
504.37 km
9.14 gal (US)
7.61 gal (Imp)
34.6 L
308.02 kWh
$2.349
($21.47 total for this fill)
34.29 mpg (US)
41.18 mpg (Imp)
6.86 L/100 km
2.92 gal (US)/100 mi
982.83 Wh/mi
2015-10-12 332 mi
534.3 km
9.393 gal (US)
7.82 gal (Imp)
35.56 L
316.54 kWh
$2.439
($22.91 total for this fill)
35.35 mpg (US)
42.46 mpg (Imp)
6.66 L/100 km
2.83 gal (US)/100 mi
953.43 Wh/mi
2015-10-01 334.9 mi
538.97 km
10.343 gal (US)
8.61 gal (Imp)
39.15 L
348.56 kWh
$2.499
($25.85 total for this fill)
32.38 mpg (US)
38.9 mpg (Imp)
7.26 L/100 km
3.09 gal (US)/100 mi
1040.79 Wh/mi
Passenger rear tire was noticed flat after poor traction causing oversteer. Managed to get home, find the source of the leak, and then plug the leak. All tire pressures checked and set to 35 psi +- 1 psi.
2015-09-25 338.3 mi
544.44 km
9.895 gal (US)
8.24 gal (Imp)
37.46 L
333.46 kWh
$2.449
($24.23 total for this fill)
34.19 mpg (US)
41.06 mpg (Imp)
6.88 L/100 km
2.92 gal (US)/100 mi
985.69 Wh/mi
Battery was not accepting a charge and replaced since the last tank.
2015-09-12 289.4 mi
465.74 km
8.863 gal (US)
7.38 gal (Imp)
33.55 L
298.68 kWh
$2.499
($22.15 total for this fill)
32.65 mpg (US)
39.21 mpg (Imp)
7.2 L/100 km
3.06 gal (US)/100 mi
1032.07 Wh/mi
Estimated miles due to lack of resetting trip-o-meter between the previous tank and this one.
2015-09-02 260 mi
418.43 km
7.56 gal (US)
6.3 gal (Imp)
28.62 L
254.77 kWh
$2.549
($19.27 total for this fill)
34.39 mpg (US)
41.27 mpg (Imp)
6.84 L/100 km
2.91 gal (US)/100 mi
979.88 Wh/mi
Estimated miles due to lack of resetting trip-o-meter between this tank and the next.
2015-08-30 334.1 mi
537.68 km
9.812 gal (US)
8.17 gal (Imp)
37.14 L
330.66 kWh
$2.609
($25.6 total for this fill)
34.05 mpg (US)
40.89 mpg (Imp)
6.91 L/100 km
2.94 gal (US)/100 mi
989.7 Wh/mi
2015-08-26 355.1 mi
571.48 km
10.445 gal (US)
8.7 gal (Imp)
39.54 L
352 kWh
$2.619
($27.36 total for this fill)
34 mpg (US)
40.82 mpg (Imp)
6.92 L/100 km
2.94 gal (US)/100 mi
991.27 Wh/mi
2015-08-19 341.4 mi
549.43 km
9.983 gal (US)
8.31 gal (Imp)
37.79 L
336.43 kWh
$2.699
($26.94 total for this fill)
34.2 mpg (US)
41.08 mpg (Imp)
6.88 L/100 km
2.92 gal (US)/100 mi
985.44 Wh/mi
2015-08-12 329.1 mi
529.64 km
10.238 gal (US)
8.53 gal (Imp)
38.76 L
345.02 kWh
$2.699
($27.63 total for this fill)
32.14 mpg (US)
38.58 mpg (Imp)
7.32 L/100 km
3.11 gal (US)/100 mi
1048.37 Wh/mi
2015-08-06 325.3 mi
523.52 km
9.376 gal (US)
7.81 gal (Imp)
35.49 L
315.97 kWh
$2.759
($25.87 total for this fill)
34.69 mpg (US)
41.65 mpg (Imp)
6.78 L/100 km
2.88 gal (US)/100 mi
971.32 Wh/mi
2015-08-02 276.2 mi
444.5 km
7.971 gal (US)
6.64 gal (Imp)
30.17 L
268.62 kWh
$2.689
($21.43 total for this fill)
34.65 mpg (US)
41.6 mpg (Imp)
6.79 L/100 km
2.89 gal (US)/100 mi
972.56 Wh/mi
2015-07-29 345 mi
555.22 km
9.948 gal (US)
8.28 gal (Imp)
37.66 L
335.25 kWh
$2.799
($27.84 total for this fill)
34.68 mpg (US)
41.67 mpg (Imp)
6.78 L/100 km
2.88 gal (US)/100 mi
971.74 Wh/mi
2015-07-22 307.9 mi
495.52 km
8.923 gal (US)
7.43 gal (Imp)
33.78 L
300.71 kWh
$2.769
($24.71 total for this fill)
34.51 mpg (US)
41.44 mpg (Imp)
6.82 L/100 km
2.9 gal (US)/100 mi
976.65 Wh/mi
Mostly Highway with more errand running(70/30)
2015-07-17 338.1 mi
544.12 km
9.988 gal (US)
8.32 gal (Imp)
37.81 L
336.6 kWh
$2.839
($28.36 total for this fill)
33.85 mpg (US)
40.64 mpg (Imp)
6.95 L/100 km
2.95 gal (US)/100 mi
995.56 Wh/mi
Mostly highway(85/15)
2015-07-13 213.4 mi
343.43 km
6.385 gal (US)
5.32 gal (Imp)
24.17 L
215.17 kWh
$2.839
($18.13 total for this fill)
33.42 mpg (US)
40.11 mpg (Imp)
7.04 L/100 km
2.99 gal (US)/100 mi
1008.29 Wh/mi
New plugs, air filter & oil change. Mostly highway but rain.
2015-07-07 227.6 mi
366.29 km
6.694 gal (US)
5.57 gal (Imp)
25.34 L
225.59 kWh
$2.939
($19.67 total for this fill)
34 mpg (US)
40.86 mpg (Imp)
6.92 L/100 km
2.94 gal (US)/100 mi
991.17 Wh/mi
Miscellaneous driving while fixing hand/parking brake, etc. 75% highway, 25% stop/go. After this fill, installed new plugs and K&N filter. Oil change shortly and possibly plug wires.

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


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