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Fuel log graph
Efficiency log for: Century - 2003 Buick Century
  • Lifetime Fuel Economy: 34.3 mpg (US), 6.9 L/100 km, 41.2 mpg (Imp)
  • 90-day Fuel Economy: 35.4 mpg (US), 6.6 L/100 km, 42.5 mpg (Imp)
  • 3-tank Fuel Economy: 34.7 mpg (US), 6.8 L/100 km, 41.6 mpg (Imp)
  • EPA Combined Rating / % over rating: 21 mpg (US) / 68.6% (based on 90-day fuel economy)
  • Total fills: 99
  • Average cost per gal/L: $3.52 per gal (US); $0.00 per L (price data entered for 95 fill/s)
  • Average cost per fill: $37.53
  • Average distance cost: $0.10 per mi. / $0.06 per km
  • Total fuel used: 1058.45 gal (US), 4006.7 L
  • Total distance traveled: 36327.6 mi. / 58463.6 km
  • Total cost: $3,565.18
  • Total fuel saved vs. EPA: 671.4 gal. (US) / 2541.5 L
  • Total saved: $2363.33 (based on avg. cost per gal./L)
  • Average tank distance: 366.9 mi. / 590.5 km
Fill date Distance Fill amount Price Fuel Economy Details
2013-10-22 413.8 mi
665.95 km
11.832 gal (US)
9.85 gal (Imp)
44.79 L
398.74 kWh
34.97 mpg (US)
42.01 mpg (Imp)
6.73 L/100 km
2.86 gal (US)/100 mi
963.61 Wh/mi
165890
2013-10-17 336.9 mi
542.19 km
9.278 gal (US)
7.73 gal (Imp)
35.12 L
312.67 kWh
$3.269
($30.33 total for this fill)
36.31 mpg (US)
43.58 mpg (Imp)
6.48 L/100 km
2.75 gal (US)/100 mi
928.08 Wh/mi
165476
2013-10-15 413.7 mi
665.79 km
12.484 gal (US)
10.4 gal (Imp)
47.26 L
420.71 kWh
$3.319
($41.43 total for this fill)
33.14 mpg (US)
39.78 mpg (Imp)
7.1 L/100 km
3.02 gal (US)/100 mi
1016.94 Wh/mi
165139
2013-10-08 355 mi
571.32 km
9.952 gal (US)
8.29 gal (Imp)
37.67 L
335.38 kWh
$3.319
($33.03 total for this fill)
35.67 mpg (US)
42.82 mpg (Imp)
6.59 L/100 km
2.8 gal (US)/100 mi
944.73 Wh/mi
164725
2013-10-03 434.6 mi
699.42 km
12.148 gal (US)
10.12 gal (Imp)
45.99 L
409.39 kWh
$3.279
($39.83 total for this fill)
35.78 mpg (US)
42.94 mpg (Imp)
6.58 L/100 km
2.8 gal (US)/100 mi
941.99 Wh/mi
164370
2013-09-30 446.1 mi
717.93 km
12.923 gal (US)
10.76 gal (Imp)
48.92 L
435.51 kWh
$3.359
($43.41 total for this fill)
34.52 mpg (US)
41.46 mpg (Imp)
6.81 L/100 km
2.9 gal (US)/100 mi
976.26 Wh/mi
163935
2013-09-24 412.5 mi
663.85 km
12.035 gal (US)
10.02 gal (Imp)
45.56 L
405.58 kWh
$3.359
($40.43 total for this fill)
34.28 mpg (US)
41.17 mpg (Imp)
6.86 L/100 km
2.92 gal (US)/100 mi
983.22 Wh/mi
163489
2013-09-17 503.6 mi
810.47 km
14.161 gal (US)
11.79 gal (Imp)
53.61 L
477.23 kWh
$3.399
($48.13 total for this fill)
35.56 mpg (US)
42.71 mpg (Imp)
6.61 L/100 km
2.81 gal (US)/100 mi
947.64 Wh/mi
163077
2013-09-11 372.3 mi
599.16 km
10.522 gal (US)
8.76 gal (Imp)
39.83 L
354.59 kWh
$3.429
($36.08 total for this fill)
35.38 mpg (US)
42.5 mpg (Imp)
6.65 L/100 km
2.83 gal (US)/100 mi
952.43 Wh/mi
162573
2013-09-06 454 mi
730.64 km
12.68 gal (US)
10.56 gal (Imp)
48 L
427.32 kWh
$3.449
($43.73 total for this fill)
35.8 mpg (US)
42.99 mpg (Imp)
6.57 L/100 km
2.79 gal (US)/100 mi
941.23 Wh/mi
162201
2013-08-30 339.7 mi
546.69 km
9.413 gal (US)
7.84 gal (Imp)
35.63 L
317.22 kWh
$3.499
($32.94 total for this fill)
36.09 mpg (US)
43.33 mpg (Imp)
6.52 L/100 km
2.77 gal (US)/100 mi
933.82 Wh/mi
161747
2013-08-27 334.8 mi
538.81 km
9.349 gal (US)
7.78 gal (Imp)
35.39 L
315.06 kWh
$3.479
($32.53 total for this fill)
35.81 mpg (US)
43.03 mpg (Imp)
6.57 L/100 km
2.79 gal (US)/100 mi
941.04 Wh/mi
161407
2013-08-22 338.3 mi
544.44 km
9.868 gal (US)
8.22 gal (Imp)
37.35 L
332.55 kWh
$3.429
($33.84 total for this fill)
34.28 mpg (US)
41.16 mpg (Imp)
6.86 L/100 km
2.92 gal (US)/100 mi
983 Wh/mi
161072
2013-08-19 472.1 mi
759.77 km
12.774 gal (US)
10.64 gal (Imp)
48.35 L
430.48 kWh
$3.479
($44.44 total for this fill)
36.96 mpg (US)
44.37 mpg (Imp)
6.36 L/100 km
2.71 gal (US)/100 mi
911.84 Wh/mi
160734
2013-08-19 472.1 mi
759.77 km
12.787 gal (US)
10.65 gal (Imp)
48.4 L
430.92 kWh
36.92 mpg (US)
44.33 mpg (Imp)
6.37 L/100 km
2.71 gal (US)/100 mi
912.77 Wh/mi
160709
2013-08-14 353.5 mi
568.9 km
9.78 gal (US)
8.14 gal (Imp)
37.02 L
329.59 kWh
36.15 mpg (US)
43.43 mpg (Imp)
6.51 L/100 km
2.77 gal (US)/100 mi
932.36 Wh/mi
2013-08-02 462.3 mi
744 km
13.33 gal (US)
11.1 gal (Imp)
50.46 L
449.22 kWh
$3.559
($47.44 total for this fill)
34.68 mpg (US)
41.65 mpg (Imp)
6.78 L/100 km
2.88 gal (US)/100 mi
971.71 Wh/mi
159907
2013-07-19 343 mi
552 km
10.26 gal (US)
8.54 gal (Imp)
38.84 L
345.76 kWh
$3.599
($36.93 total for this fill)
33.43 mpg (US)
40.16 mpg (Imp)
7.04 L/100 km
2.99 gal (US)/100 mi
1008.05 Wh/mi
159052
2013-07-02 335.2 mi
539.45 km
9.484 gal (US)
7.9 gal (Imp)
35.9 L
319.61 kWh
$3.399
($32.24 total for this fill)
35.34 mpg (US)
42.43 mpg (Imp)
6.65 L/100 km
2.83 gal (US)/100 mi
953.49 Wh/mi
158370
2013-06-27 223.7 mi
360.01 km
6.393 gal (US)
5.32 gal (Imp)
24.2 L
215.44 kWh
$3.369
($21.54 total for this fill)
34.99 mpg (US)
42.05 mpg (Imp)
6.72 L/100 km
2.86 gal (US)/100 mi
963.08 Wh/mi
158034
2013-06-25 362.3 mi
583.07 km
10.685 gal (US)
8.9 gal (Imp)
40.45 L
360.08 kWh
$3.419
($36.53 total for this fill)
33.91 mpg (US)
40.71 mpg (Imp)
6.94 L/100 km
2.95 gal (US)/100 mi
993.87 Wh/mi
157811
2013-06-20 456.1 mi
734.02 km
13.397 gal (US)
11.15 gal (Imp)
50.71 L
451.48 kWh
$3.369
($45.13 total for this fill)
34.04 mpg (US)
40.91 mpg (Imp)
6.91 L/100 km
2.94 gal (US)/100 mi
989.87 Wh/mi
157448
2013-06-14 368.2 mi
592.56 km
10.479 gal (US)
8.73 gal (Imp)
39.67 L
353.14 kWh
$3.419
($35.83 total for this fill)
35.14 mpg (US)
42.18 mpg (Imp)
6.69 L/100 km
2.85 gal (US)/100 mi
959.1 Wh/mi
156992
2013-06-10 385.9 mi
621.05 km
11.125 gal (US)
9.26 gal (Imp)
42.11 L
374.91 kWh
$3.419
($38.04 total for this fill)
34.69 mpg (US)
41.67 mpg (Imp)
6.78 L/100 km
2.88 gal (US)/100 mi
971.52 Wh/mi
156624
2013-04-25 403 mi
648.57 km
11.3 gal (US)
9.41 gal (Imp)
42.78 L
380.81 kWh
$3.419
($38.63 total for this fill)
35.66 mpg (US)
42.83 mpg (Imp)
6.6 L/100 km
2.8 gal (US)/100 mi
944.94 Wh/mi
153365
2013-04-19 346 mi
556.83 km
9.78 gal (US)
8.14 gal (Imp)
37.02 L
329.59 kWh
$3.469
($33.93 total for this fill)
35.38 mpg (US)
42.51 mpg (Imp)
6.65 L/100 km
2.83 gal (US)/100 mi
952.57 Wh/mi
152962
2013-04-15 370 mi
595.46 km
10.64 gal (US)
8.86 gal (Imp)
40.28 L
358.57 kWh
$3.499
($37.23 total for this fill)
34.77 mpg (US)
41.76 mpg (Imp)
6.76 L/100 km
2.88 gal (US)/100 mi
969.11 Wh/mi
152616
2013-04-05 337 mi
542.35 km
9.73 gal (US)
8.1 gal (Imp)
36.83 L
327.9 kWh
$3.549
($34.53 total for this fill)
34.64 mpg (US)
41.6 mpg (Imp)
6.79 L/100 km
2.89 gal (US)/100 mi
973 Wh/mi
151940
2013-04-02 365.5 mi
588.22 km
10.07 gal (US)
8.39 gal (Imp)
38.12 L
339.36 kWh
$3.599
($36.24 total for this fill)
36.3 mpg (US)
43.56 mpg (Imp)
6.48 L/100 km
2.76 gal (US)/100 mi
928.48 Wh/mi
151603
One way commute was 40.6. another was 39.9. Both on the way home.
2013-03-28 336 mi
540.74 km
9.62 gal (US)
8.01 gal (Imp)
36.42 L
324.19 kWh
$3.569
($34.33 total for this fill)
34.93 mpg (US)
41.95 mpg (Imp)
6.74 L/100 km
2.86 gal (US)/100 mi
964.85 Wh/mi
151239 closed off the cold air behind the head light. Now air only comes from inside the engine bay. It ran +205 deg coolant temps and up to 45deg above ambient intake temps. Ambient was around 45 deg. I had two legs of the 6 without the upper grill block and with the cold air open.

After the mods, i ran 4 legs and was above 36 for two(out) and 38 for two(return)
2013-03-25 369 mi
593.85 km
11.03 gal (US)
9.18 gal (Imp)
41.75 L
371.71 kWh
$3.619
($39.92 total for this fill)
33.45 mpg (US)
40.2 mpg (Imp)
7.03 L/100 km
2.99 gal (US)/100 mi
1007.34 Wh/mi
150903
2013-03-20 355 mi
571.32 km
10.478 gal (US)
8.72 gal (Imp)
39.66 L
353.11 kWh
$3.639
($38.13 total for this fill)
33.88 mpg (US)
40.71 mpg (Imp)
6.94 L/100 km
2.95 gal (US)/100 mi
994.68 Wh/mi
150534
2013-03-14 355.2 mi
571.64 km
10.01 gal (US)
8.33 gal (Imp)
37.89 L
337.34 kWh
$3.689
($36.93 total for this fill)
35.48 mpg (US)
42.64 mpg (Imp)
6.63 L/100 km
2.82 gal (US)/100 mi
949.72 Wh/mi
150179
2013-03-11 385 mi
619.6 km
11.665 gal (US)
9.71 gal (Imp)
44.16 L
393.11 kWh
$3.689
($43.03 total for this fill)
33 mpg (US)
39.65 mpg (Imp)
7.13 L/100 km
3.03 gal (US)/100 mi
1021.06 Wh/mi
149824
2013-03-05 126 mi
202.78 km
3.859 gal (US)
3.21 gal (Imp)
14.61 L
130.05 kWh
$3.689
($14.24 total for this fill)
32.65 mpg (US)
39.25 mpg (Imp)
7.2 L/100 km
3.06 gal (US)/100 mi
1032.14 Wh/mi
149439
2013-03-04 469 mi
754.78 km
13.426 gal (US)
11.18 gal (Imp)
50.82 L
452.46 kWh
$3.689
($49.53 total for this fill)
34.93 mpg (US)
41.95 mpg (Imp)
6.73 L/100 km
2.86 gal (US)/100 mi
964.73 Wh/mi
149313
Removed the airdam and the factory deflector assembly below the radiator.
created a smooth transition between the forward most part of the bumper and the belly pan. closed off all but 14" or so of the lower air entry on the bumper. Reinstalled the factory license plate mount. The sides of the front transition and the bumper leave the tires more exposed. More can can be done here with more time.....still designing.

Changed the oil/filter and trans fluid/filter. Amsoil in both. 0w20 and low viscocity ATF.
2013-02-27 363 mi
584.19 km
11.38 gal (US)
9.48 gal (Imp)
43.08 L
383.51 kWh
$3.719
($42.32 total for this fill)
31.9 mpg (US)
38.29 mpg (Imp)
7.37 L/100 km
3.13 gal (US)/100 mi
1056.5 Wh/mi
148970
2013-02-22 359 mi
577.75 km
10.82 gal (US)
9.01 gal (Imp)
40.96 L
364.63 kWh
$3.739
($40.46 total for this fill)
33.18 mpg (US)
39.84 mpg (Imp)
7.09 L/100 km
3.01 gal (US)/100 mi
1015.68 Wh/mi
148607
2013-02-19 362 mi
582.58 km
11.1 gal (US)
9.24 gal (Imp)
42.02 L
374.07 kWh
$3.759
($41.72 total for this fill)
32.61 mpg (US)
39.18 mpg (Imp)
7.21 L/100 km
3.07 gal (US)/100 mi
1033.34 Wh/mi
148248
2013-02-13 351 mi
564.88 km
10.548 gal (US)
8.78 gal (Imp)
39.93 L
355.47 kWh
$3.599
($37.96 total for this fill)
33.28 mpg (US)
39.98 mpg (Imp)
7.07 L/100 km
3.01 gal (US)/100 mi
1012.74 Wh/mi
147886
2013-02-08 337 mi
542.35 km
10.102 gal (US)
8.41 gal (Imp)
38.24 L
340.44 kWh
$3.469
($35.04 total for this fill)
33.36 mpg (US)
40.07 mpg (Imp)
7.05 L/100 km
3 gal (US)/100 mi
1010.21 Wh/mi
147536
2013-02-05 351.5 mi
565.68 km
10.59 gal (US)
8.82 gal (Imp)
40.09 L
356.88 kWh
$3.469
($36.74 total for this fill)
33.19 mpg (US)
39.85 mpg (Imp)
7.09 L/100 km
3.01 gal (US)/100 mi
1015.31 Wh/mi
147199
2013-01-31 357 mi
574.54 km
9.63 gal (US)
8.02 gal (Imp)
36.45 L
324.53 kWh
$3.389
($32.64 total for this fill)
37.07 mpg (US)
44.51 mpg (Imp)
6.34 L/100 km
2.7 gal (US)/100 mi
909.05 Wh/mi
146848 UG says avg is 35.0.

There seems to be some relation between the TCW3 start and stop that makes the UG incorrect. every other time I've checked the UG cal, it is dead on. This tank was off by 2 MPG. I also filled from different pumps at the same station the last two fills.
2013-01-18 351 mi
564.88 km
10.493 gal (US)
8.74 gal (Imp)
39.72 L
353.61 kWh
$3.31
($34.73 total for this fill)
33.45 mpg (US)
40.16 mpg (Imp)
7.03 L/100 km
2.99 gal (US)/100 mi
1007.44 Wh/mi
145803 UG says avg is 32.6 for this tank. Stopped TCW3
2013-01-15 981 mi
1578.77 km
28.62 gal (US)
23.83 gal (Imp)
108.34 L
964.49 kWh
$3.31
($94.73 total for this fill)
34.28 mpg (US)
41.17 mpg (Imp)
6.86 L/100 km
2.92 gal (US)/100 mi
983.17 Wh/mi
145452 used up 16 gallons of fuel in gas cans from September.

TCW3

Added full belly pan. Removed deflector behind cooling inlet and opened inlet to full height.

Changed the front O2 sensor due to failed heater.

Changed plug wires. I burned one after missing a bracket during O2 reassembly.

Changed radiator cap. Boiled over at 222 deg as we parked.
2013-01-02 385 mi
619.6 km
11.4 gal (US)
9.49 gal (Imp)
43.15 L
384.18 kWh
$3.31
($37.73 total for this fill)
33.77 mpg (US)
40.57 mpg (Imp)
6.96 L/100 km
2.96 gal (US)/100 mi
997.87 Wh/mi
144471
2012-12-26 343 mi
552 km
9.998 gal (US)
8.33 gal (Imp)
37.85 L
336.93 kWh
$3.26
($32.59 total for this fill)
34.31 mpg (US)
41.18 mpg (Imp)
6.86 L/100 km
2.91 gal (US)/100 mi
982.3 Wh/mi
144086 no TCW3 trying to catchup with the last overfill of oil.
2012-12-19 378 mi
608.33 km
11.2 gal (US)
9.33 gal (Imp)
42.4 L
377.44 kWh
$3.21
($35.95 total for this fill)
33.75 mpg (US)
40.51 mpg (Imp)
6.97 L/100 km
2.96 gal (US)/100 mi
998.52 Wh/mi
143743 TCW3 too much X2 what it should have been. I can't see the graduations on the side of the bottel well enough. I need a better way to measure and add the oil.
2012-12-14 225 mi
362.1 km
6.54 gal (US)
5.45 gal (Imp)
24.76 L
220.4 kWh
$3.25
($21.26 total for this fill)
34.4 mpg (US)
41.28 mpg (Imp)
6.84 L/100 km
2.91 gal (US)/100 mi
979.56 Wh/mi
143365 TCW3
2012-12-12 371 mi
597.07 km
10.715 gal (US)
8.92 gal (Imp)
40.56 L
361.1 kWh
$3.27
($35.04 total for this fill)
34.62 mpg (US)
41.59 mpg (Imp)
6.79 L/100 km
2.89 gal (US)/100 mi
973.32 Wh/mi
143140 added TCW3 1 oz/5 gal
2012-12-07 361 mi
580.97 km
10.53 gal (US)
8.77 gal (Imp)
39.86 L
354.86 kWh
$3.31
($34.85 total for this fill)
34.28 mpg (US)
41.16 mpg (Imp)
6.86 L/100 km
2.92 gal (US)/100 mi
982.99 Wh/mi
142769
2012-12-04 341 mi
548.79 km
9.767 gal (US)
8.13 gal (Imp)
36.97 L
329.15 kWh
$3.32
($32.43 total for this fill)
34.91 mpg (US)
41.94 mpg (Imp)
6.74 L/100 km
2.86 gal (US)/100 mi
965.25 Wh/mi
142408
2012-11-28 381 mi
613.16 km
11.4 gal (US)
9.49 gal (Imp)
43.15 L
384.18 kWh
$3.37
($38.42 total for this fill)
33.42 mpg (US)
40.15 mpg (Imp)
7.04 L/100 km
2.99 gal (US)/100 mi
1008.35 Wh/mi
142067 blocked off extra holes that leak air around the radiator and covered the engine with cardboard and 1" foam blanket covering all but a few square feet. Changed the engine air inlet from behind the headlight to the side of the airbox next to the upper radiator hose to increase inlet air temps. Increase is about 25 degrees above ambient at 40 degress.
2012-11-21 347 mi
558.44 km
10.57 gal (US)
8.8 gal (Imp)
40.01 L
356.21 kWh
$3.37
($35.62 total for this fill)
32.83 mpg (US)
39.43 mpg (Imp)
7.16 L/100 km
3.05 gal (US)/100 mi
1026.54 Wh/mi
141686
2012-11-16 368 mi
592.24 km
11 gal (US)
9.16 gal (Imp)
41.64 L
370.7 kWh
$3.37
($37.07 total for this fill)
33.45 mpg (US)
40.17 mpg (Imp)
7.03 L/100 km
2.99 gal (US)/100 mi
1007.34 Wh/mi
141339
2012-11-13 336 mi
540.74 km
10.04 gal (US)
8.36 gal (Imp)
38.01 L
338.35 kWh
$3.39
($34.04 total for this fill)
33.47 mpg (US)
40.19 mpg (Imp)
7.03 L/100 km
2.99 gal (US)/100 mi
1006.99 Wh/mi
140971
2012-11-08 422 mi
679.14 km
12.17 gal (US)
10.13 gal (Imp)
46.07 L
410.13 kWh
$3.42
($41.62 total for this fill)
34.68 mpg (US)
41.66 mpg (Imp)
6.78 L/100 km
2.88 gal (US)/100 mi
971.87 Wh/mi
2012-11-02 410 mi
659.83 km
11.98 gal (US)
9.98 gal (Imp)
45.35 L
403.73 kWh
$3.49
($41.81 total for this fill)
34.22 mpg (US)
41.08 mpg (Imp)
6.87 L/100 km
2.92 gal (US)/100 mi
984.71 Wh/mi
2012-10-25 358.5 mi
576.95 km
9.66 gal (US)
8.04 gal (Imp)
36.57 L
325.54 kWh
$3.51
($33.91 total for this fill)
37.11 mpg (US)
44.59 mpg (Imp)
6.34 L/100 km
2.69 gal (US)/100 mi
908.06 Wh/mi
new record tank
2012-10-22 342.5 mi
551.2 km
9.5 gal (US)
7.91 gal (Imp)
35.96 L
320.15 kWh
$3.59
($34.11 total for this fill)
36.05 mpg (US)
43.3 mpg (Imp)
6.52 L/100 km
2.77 gal (US)/100 mi
934.74 Wh/mi
2012-10-18 406.8 mi
654.68 km
11.8 gal (US)
9.83 gal (Imp)
44.67 L
397.66 kWh
$3.56
($42.01 total for this fill)
34.47 mpg (US)
41.38 mpg (Imp)
6.82 L/100 km
2.9 gal (US)/100 mi
977.53 Wh/mi
2012-10-11 361 mi
580.97 km
10.368 gal (US)
8.63 gal (Imp)
39.25 L
349.4 kWh
$3.619
($37.52 total for this fill)
34.82 mpg (US)
41.83 mpg (Imp)
6.76 L/100 km
2.87 gal (US)/100 mi
967.87 Wh/mi
2012-09-27 458 mi
737.08 km
13.3 gal (US)
11.08 gal (Imp)
50.35 L
448.21 kWh
$3.59
($47.75 total for this fill)
34.44 mpg (US)
41.34 mpg (Imp)
6.83 L/100 km
2.9 gal (US)/100 mi
978.62 Wh/mi
2012-09-23 384 mi
617.99 km
11.2 gal (US)
9.33 gal (Imp)
42.4 L
377.44 kWh
$3.64
($40.77 total for this fill)
34.29 mpg (US)
41.16 mpg (Imp)
6.86 L/100 km
2.92 gal (US)/100 mi
982.92 Wh/mi
2012-09-20 286 mi
460.27 km
8.66 gal (US)
7.21 gal (Imp)
32.78 L
291.84 kWh
$3.71
($32.13 total for this fill)
33.03 mpg (US)
39.67 mpg (Imp)
7.12 L/100 km
3.03 gal (US)/100 mi
1020.42 Wh/mi
2012-09-17 385 mi
619.6 km
11.1 gal (US)
9.24 gal (Imp)
42.02 L
374.07 kWh
34.68 mpg (US)
41.67 mpg (Imp)
6.78 L/100 km
2.88 gal (US)/100 mi
971.61 Wh/mi
2012-09-11 353 mi
568.1 km
10.065 gal (US)
8.38 gal (Imp)
38.1 L
339.19 kWh
$3.7
($37.24 total for this fill)
35.07 mpg (US)
42.12 mpg (Imp)
6.71 L/100 km
2.85 gal (US)/100 mi
960.88 Wh/mi
2012-09-07 355 mi
571.32 km
10.3 gal (US)
8.58 gal (Imp)
38.99 L
347.11 kWh
$3.66
($37.7 total for this fill)
34.47 mpg (US)
41.38 mpg (Imp)
6.82 L/100 km
2.9 gal (US)/100 mi
977.77 Wh/mi
2012-08-31 403 mi
648.57 km
12.4 gal (US)
10.33 gal (Imp)
46.94 L
417.88 kWh
$3.62
($44.89 total for this fill)
32.5 mpg (US)
39.01 mpg (Imp)
7.24 L/100 km
3.08 gal (US)/100 mi
1036.92 Wh/mi
2012-08-28 392 mi
630.86 km
11.75 gal (US)
9.78 gal (Imp)
44.48 L
395.98 kWh
$3.62
($42.54 total for this fill)
33.36 mpg (US)
40.08 mpg (Imp)
7.05 L/100 km
3 gal (US)/100 mi
1010.15 Wh/mi
Soccer season has started which means many short trips. End of season is 3 Nov.
2012-08-23 335 mi
539.13 km
9.1 gal (US)
7.58 gal (Imp)
34.45 L
306.67 kWh
$3.56
($32.4 total for this fill)
36.81 mpg (US)
44.2 mpg (Imp)
6.39 L/100 km
2.72 gal (US)/100 mi
915.43 Wh/mi
Air dam version 3 with belly pan to a couple inches ahead of the front tires. 1/3 of the commute distance indicated here was with AD v2
2012-08-17 369 mi
593.85 km
10.45 gal (US)
8.7 gal (Imp)
39.56 L
352.17 kWh
$3.56
($37.2 total for this fill)
35.31 mpg (US)
42.41 mpg (Imp)
6.66 L/100 km
2.83 gal (US)/100 mi
954.39 Wh/mi
EOC for 1 leg of the commute. It showed 40.8 on the UG, but the SRT was from LaPlata after the warm up cycle. doing the relative distance calculation with the starting MPG yields in the 38.5 range. I think I'm done with EOC until a starter alternative is available....too many starts= new starter real soon.
2012-08-01 322 mi
518.21 km
9.31 gal (US)
7.75 gal (Imp)
35.24 L
313.75 kWh
$3.41
($31.75 total for this fill)
34.59 mpg (US)
41.55 mpg (Imp)
6.8 L/100 km
2.89 gal (US)/100 mi
974.38 Wh/mi
Air dam reinstalled before this tank.
2012-07-03 352 mi
566.49 km
9.774 gal (US)
8.14 gal (Imp)
37 L
329.38 kWh
$3.29
($32.16 total for this fill)
36.01 mpg (US)
43.24 mpg (Imp)
6.53 L/100 km
2.78 gal (US)/100 mi
935.74 Wh/mi
2012-06-29 458 mi
737.08 km
13.35 gal (US)
11.12 gal (Imp)
50.54 L
449.9 kWh
$3.29
($43.92 total for this fill)
34.31 mpg (US)
41.19 mpg (Imp)
6.86 L/100 km
2.91 gal (US)/100 mi
982.31 Wh/mi
longest tank. Only because I usually fill every three days instead of 4 for this tank.
2012-06-19 391 mi
629.25 km
11.72 gal (US)
9.76 gal (Imp)
44.37 L
394.96 kWh
$3.36
($39.38 total for this fill)
33.36 mpg (US)
40.06 mpg (Imp)
7.05 L/100 km
3 gal (US)/100 mi
1010.13 Wh/mi
2012-06-14 420 mi
675.92 km
12.22 gal (US)
10.18 gal (Imp)
46.26 L
411.81 kWh
$3.43
($41.91 total for this fill)
34.37 mpg (US)
41.26 mpg (Imp)
6.84 L/100 km
2.91 gal (US)/100 mi
980.5 Wh/mi
2012-06-07 401 mi
645.35 km
11.99 gal (US)
9.98 gal (Imp)
45.39 L
404.06 kWh
$3.47
($41.61 total for this fill)
33.44 mpg (US)
40.18 mpg (Imp)
7.03 L/100 km
2.99 gal (US)/100 mi
1007.63 Wh/mi
unknown date of fill
2012-06-04 390 mi
627.64 km
11.342 gal (US)
9.44 gal (Imp)
42.93 L
382.23 kWh
$3.52
($39.92 total for this fill)
34.39 mpg (US)
41.31 mpg (Imp)
6.84 L/100 km
2.91 gal (US)/100 mi
980.08 Wh/mi
unknown date of fill
2012-05-30 384 mi
617.99 km
12.52 gal (US)
10.42 gal (Imp)
47.39 L
421.92 kWh
$3.57
($44.7 total for this fill)
30.67 mpg (US)
36.85 mpg (Imp)
7.67 L/100 km
3.26 gal (US)/100 mi
1098.75 Wh/mi
150+ miles of trip to DC in traffic
2012-05-24 400.9 mi
645.19 km
11.65 gal (US)
9.7 gal (Imp)
44.1 L
392.61 kWh
$3.65
($42.52 total for this fill)
34.41 mpg (US)
41.33 mpg (Imp)
6.84 L/100 km
2.91 gal (US)/100 mi
979.32 Wh/mi
includes one leg of "urgent" commute to SMH for Olivia's ER visit. Still got 30mpg on that leg. Watching the FE on the Ultra kept me from dirving like I shouldn't in a emergent situation. Two uses for the gauge now....FE and SAFETY. :-)
2012-05-18 439 mi
706.5 km
14.051 gal (US)
11.7 gal (Imp)
53.19 L
473.52 kWh
$3.65
($51.29 total for this fill)
31.24 mpg (US)
37.52 mpg (Imp)
7.53 L/100 km
3.2 gal (US)/100 mi
1078.63 Wh/mi
local commute of 13 miles in around 25 minutes one way. What a challenge to keep MPG high.
2012-05-08 398 mi
640.52 km
11.667 gal (US)
9.71 gal (Imp)
44.16 L
393.18 kWh
$3.74
($43.63 total for this fill)
34.11 mpg (US)
40.99 mpg (Imp)
6.89 L/100 km
2.93 gal (US)/100 mi
987.89 Wh/mi
2012-05-03 364 mi
585.8 km
10.117 gal (US)
8.42 gal (Imp)
38.3 L
340.94 kWh
$3.82
($38.65 total for this fill)
35.98 mpg (US)
43.23 mpg (Imp)
6.54 L/100 km
2.78 gal (US)/100 mi
936.65 Wh/mi
2012-04-30 334 mi
537.52 km
9.75 gal (US)
8.12 gal (Imp)
36.91 L
328.58 kWh
$3.84
($37.44 total for this fill)
34.26 mpg (US)
41.13 mpg (Imp)
6.87 L/100 km
2.92 gal (US)/100 mi
983.77 Wh/mi
2012-04-26 390 mi
627.64 km
12.084 gal (US)
10.06 gal (Imp)
45.74 L
407.23 kWh
$3.87
($46.77 total for this fill)
32.27 mpg (US)
38.77 mpg (Imp)
7.29 L/100 km
3.1 gal (US)/100 mi
1044.18 Wh/mi
2012-04-22 369 mi
593.85 km
10.75 gal (US)
8.95 gal (Imp)
40.69 L
362.28 kWh
$3.87
($41.6 total for this fill)
34.33 mpg (US)
41.23 mpg (Imp)
6.85 L/100 km
2.91 gal (US)/100 mi
981.79 Wh/mi
2012-04-17 318 mi
511.77 km
10.011 gal (US)
8.34 gal (Imp)
37.9 L
337.37 kWh
$3.89
($38.94 total for this fill)
31.77 mpg (US)
38.13 mpg (Imp)
7.41 L/100 km
3.15 gal (US)/100 mi
1060.91 Wh/mi
drive into Annapolis for 1/3 of the fuel usage. Avg was around 27 for that leg.
2012-04-14 340 mi
547.18 km
10.19 gal (US)
8.48 gal (Imp)
38.57 L
343.4 kWh
$3.89
($39.64 total for this fill)
33.37 mpg (US)
40.09 mpg (Imp)
7.05 L/100 km
3 gal (US)/100 mi
1010 Wh/mi
2012-04-11 339 mi
545.57 km
9.7 gal (US)
8.08 gal (Imp)
36.72 L
326.89 kWh
$3.91
($37.93 total for this fill)
34.95 mpg (US)
41.96 mpg (Imp)
6.73 L/100 km
2.86 gal (US)/100 mi
964.28 Wh/mi
2012-04-05 362 mi
582.58 km
9.91 gal (US)
8.25 gal (Imp)
37.51 L
333.97 kWh
$3.93
($38.95 total for this fill)
36.53 mpg (US)
43.88 mpg (Imp)
6.44 L/100 km
2.74 gal (US)/100 mi
922.57 Wh/mi
2012-04-03 241 mi
387.85 km
7.465 gal (US)
6.22 gal (Imp)
28.26 L
251.57 kWh
$3.91
($29.19 total for this fill)
32.28 mpg (US)
38.75 mpg (Imp)
7.29 L/100 km
3.1 gal (US)/100 mi
1043.86 Wh/mi
2012-03-16 226.5 mi
364.52 km
6.3 gal (US)
5.25 gal (Imp)
23.85 L
212.31 kWh
$3.75
($23.63 total for this fill)
35.95 mpg (US)
43.14 mpg (Imp)
6.54 L/100 km
2.78 gal (US)/100 mi
937.35 Wh/mi
Ultra Gauge read 34.0 avg, but the car battery had died unexplicably and the avg may be off some.??

Still, I think this means the UG needs a bit more calibration. Hard to wait for the miles to click by.

I started some type of P&G for these and got UG readings of 35 on the commute. I would speed up to 5 t0 7 over and drive gently at about 4% throttle until just under speed limit. Tried my best not to piss anyone off. Kind of surprised how often people just cruised behind me. I wonder if they were playing the mileage game too.
2012-02-28 116 mi
186.68 km
3.32 gal (US)
2.77 gal (Imp)
12.57 L
111.88 kWh
$3.68
($12.22 total for this fill)
34.94 mpg (US)
41.88 mpg (Imp)
6.73 L/100 km
2.86 gal (US)/100 mi
964.48 Wh/mi
Ultra Gauge!!!! first use watched the instant the whole trip. Kept it above Avg as much as possible. Amazing how I can keep speed with less throttle.
2012-02-22 283 mi
455.44 km
9.18 gal (US)
7.64 gal (Imp)
34.75 L
309.37 kWh
$3.59
($32.96 total for this fill)
30.83 mpg (US)
37.04 mpg (Imp)
7.63 L/100 km
3.24 gal (US)/100 mi
1093.18 Wh/mi
tool the tape off the front of the car and drove a bit outside of the normal commute route.
2012-02-17 340 mi
547.18 km
10.4 gal (US)
8.66 gal (Imp)
39.37 L
350.48 kWh
$3.56
($37.02 total for this fill)
32.69 mpg (US)
39.26 mpg (Imp)
7.2 L/100 km
3.06 gal (US)/100 mi
1030.82 Wh/mi
normal commute one ady of rainy weather. kept speed below 63. Airdam V2 and taped off grill and front fascia, along with headlights and leading corners of the trunk.
2012-02-14 240 mi
386.24 km
7.6 gal (US)
6.33 gal (Imp)
28.77 L
256.12 kWh
$3.52
($26.75 total for this fill)
31.58 mpg (US)
37.91 mpg (Imp)
7.45 L/100 km
3.17 gal (US)/100 mi
1067.17 Wh/mi
higher speed average. some 65 mph runs. little coasting mostly smooh driving techniques. 2 days of commuting plus a trip to pick up M(20miles)
2012-02-09 336 mi
540.74 km
10.2 gal (US)
8.49 gal (Imp)
38.61 L
343.74 kWh
$3.46
($35.29 total for this fill)
32.94 mpg (US)
39.58 mpg (Imp)
7.14 L/100 km
3.04 gal (US)/100 mi
1023.04 Wh/mi
pretty slow going. 3 day commute. Topped out at 60 for only short distances. Rain one leg of one commute. Able to follow some slow cars so I wasn't the only one. AD V2 and taped off front end.
2012-02-06 97.5 mi
156.91 km
2.89 gal (US)
2.41 gal (Imp)
10.94 L
97.39 kWh
$3.45
($9.97 total for this fill)
33.74 mpg (US)
40.46 mpg (Imp)
6.97 L/100 km
2.96 gal (US)/100 mi
998.87 Wh/mi
airdam V2 with headlights, grill and bumper holes taped over. EonC for most of the opportunities

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


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