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Fuel log graph
Efficiency log for: [SOLD] Highway Warrior - 2000 Mazda Protege LX 1.6L Manual
  • Lifetime Fuel Economy: 34.5 mpg (US), 6.8 L/100 km, 41.4 mpg (Imp)
  • 90-day Fuel Economy: 35.9 mpg (US), 6.5 L/100 km, 43.2 mpg (Imp)
  • 3-tank Fuel Economy: 36.3 mpg (US), 6.5 L/100 km, 43.6 mpg (Imp)
  • EPA Combined Rating / % over rating: 27 mpg (US) / 33.1% (based on 90-day fuel economy)
  • Total fills: 43
  • Average cost per gal/L: $1.73 per gal (US); $0.00 per L (price data entered for 43 fill/s)
  • Average cost per fill: $15.98
  • Average distance cost: $0.05 per mi. / $0.03 per km
  • Total fuel used: 396.94 gal (US), 1502.6 L
  • Total distance traveled: 13696.3 mi. / 22042.1 km
  • Total cost: $686.97
  • Total fuel saved vs. EPA: 110.3 gal. (US) / 417.5 L
  • Total saved: $190.82 (based on avg. cost per gal./L)
  • Average tank distance: 318.5 mi. / 512.6 km
Fill date Distance Fill amount Price Fuel Economy Details
2009-04-30 348.8 mi
561.34 km
8.682 gal (US)
7.23 gal (Imp)
32.86 L
292.58 kWh
$1.98
($17.19 total for this fill)
40.18 mpg (US)
48.24 mpg (Imp)
5.85 L/100 km
2.49 gal (US)/100 mi
838.82 Wh/mi
330 miles of this was a highway trip with outside temperature in the 60s and a decent tailwind.
2009-04-26 242 mi
389.46 km
6.505 gal (US)
5.42 gal (Imp)
24.62 L
219.22 kWh
$1.79
($11.64 total for this fill)
37.2 mpg (US)
44.65 mpg (Imp)
6.32 L/100 km
2.69 gal (US)/100 mi
905.87 Wh/mi
95% highway. Never above 71mph.
2009-04-25 229.9 mi
369.99 km
7.429 gal (US)
6.19 gal (Imp)
28.12 L
250.36 kWh
$1.74
($12.93 total for this fill)
30.95 mpg (US)
37.14 mpg (Imp)
7.6 L/100 km
3.23 gal (US)/100 mi
1089 Wh/mi
70% highway, 70-75mph (on a 75mph speed limit highway)
2009-04-24 375.6 mi
604.47 km
11.16 gal (US)
9.29 gal (Imp)
42.25 L
376.09 kWh
$1.78
($19.86 total for this fill)
33.66 mpg (US)
40.43 mpg (Imp)
6.99 L/100 km
2.97 gal (US)/100 mi
1001.3 Wh/mi
Pretty warm outside, 60+ degrees. Crazy wind for about half the trip. About 10% city, 90% highway.
2009-04-19 400.8 mi
645.03 km
11.13 gal (US)
9.27 gal (Imp)
42.13 L
375.08 kWh
$2.01
($22.37 total for this fill)
36.01 mpg (US)
43.24 mpg (Imp)
6.53 L/100 km
2.78 gal (US)/100 mi
935.83 Wh/mi
Insane amount of rain. I could feel the huge puddles on the highway killing my rolling resistance. Lots of headwind too.

Tank 2 for the day.
2009-04-19 369.9 mi
595.3 km
10.41 gal (US)
8.67 gal (Imp)
39.41 L
350.82 kWh
$1.78
($18.53 total for this fill)
35.53 mpg (US)
42.66 mpg (Imp)
6.62 L/100 km
2.81 gal (US)/100 mi
948.42 Wh/mi
Tank one for the day. Strong wind, some rain. 80% highway, 20% city.
2009-04-17 394.3 mi
634.56 km
10.49 gal (US)
8.73 gal (Imp)
39.71 L
353.51 kWh
$1.78
($18.67 total for this fill)
37.59 mpg (US)
45.17 mpg (Imp)
6.26 L/100 km
2.66 gal (US)/100 mi
896.55 Wh/mi
Warm weather, 60-70 degrees. All highway, 65-70mph.
2009-04-16 397 mi
638.91 km
10.86 gal (US)
9.04 gal (Imp)
41.11 L
365.98 kWh
$2.01
($21.83 total for this fill)
36.56 mpg (US)
43.92 mpg (Imp)
6.43 L/100 km
2.74 gal (US)/100 mi
921.86 Wh/mi
Return trip from last weekend. 95% highway, with a couple errands around town. Kind of cold outside.
2009-04-12 375.5 mi
604.31 km
10.68 gal (US)
8.89 gal (Imp)
40.43 L
359.92 kWh
$1.78
($19.01 total for this fill)
35.16 mpg (US)
42.24 mpg (Imp)
6.69 L/100 km
2.84 gal (US)/100 mi
958.51 Wh/mi
80% highway, 20% city. Strong headwind for about half of the highway driving. Cruise set at 70-72mph. Everyone was going faster than me, so I couldn't find anything good to draft off of.
2009-04-10 394.7 mi
635.21 km
9.988 gal (US)
8.32 gal (Imp)
37.81 L
336.6 kWh
$1.81
($18.08 total for this fill)
39.52 mpg (US)
47.44 mpg (Imp)
5.95 L/100 km
2.53 gal (US)/100 mi
852.8 Wh/mi
All highway, no stops. The outside temperature was less than 50 degrees the whole way.

Cruise control at 67-72mph, with a little DWL and neutral-coasting on big hills.
2009-04-04 415.4 mi
668.52 km
10.7 gal (US)
8.91 gal (Imp)
40.5 L
360.59 kWh
$1.95
($20.87 total for this fill)
38.82 mpg (US)
46.62 mpg (Imp)
6.06 L/100 km
2.58 gal (US)/100 mi
868.05 Wh/mi
Trip up to Chicago and back, with a few stops around the Chicago area. I had some stop-and-go traffic, but mostly highway.

Tires at 50 PSI now. Had one other person in the car for 80% of this trip.

The scangauge is finally calibrated well! It told me that I used 10.7 gallons, and it was exactly right.
2009-03-14 436 mi
701.67 km
11.03 gal (US)
9.18 gal (Imp)
41.75 L
371.71 kWh
$1.79
($19.74 total for this fill)
39.53 mpg (US)
47.49 mpg (Imp)
5.95 L/100 km
2.53 gal (US)/100 mi
852.55 Wh/mi
Finally home (tank 2 for the day). Got to below 40 degrees outside on the way back.
2009-03-14 264.1 mi
425.03 km
6.21 gal (US)
5.17 gal (Imp)
23.51 L
209.28 kWh
$1.65
($10.25 total for this fill)
42.53 mpg (US)
51.08 mpg (Imp)
5.53 L/100 km
2.35 gal (US)/100 mi
792.43 Wh/mi
Rear seats still out. Almost all highway, under 72 mph.
2009-03-13 421.8 mi
678.82 km
10.89 gal (US)
9.07 gal (Imp)
41.22 L
366.99 kWh
$1.65
($17.97 total for this fill)
38.73 mpg (US)
46.5 mpg (Imp)
6.07 L/100 km
2.58 gal (US)/100 mi
870.06 Wh/mi
Tolono, IL to Sarcoxie, MO. No stops. First full tank with front tires at 48 PSI and rear tires at 42 PSI. Also first tank with rear seats out.
2009-03-09 461.7 mi
743.03 km
12.56 gal (US)
10.46 gal (Imp)
47.54 L
423.27 kWh
$1.999
($25.11 total for this fill)
36.76 mpg (US)
44.14 mpg (Imp)
6.4 L/100 km
2.72 gal (US)/100 mi
916.76 Wh/mi
These miles are from yesterday's trip. All of it is under 72mph, some DWL and some cruise control. Outside temperature ranging from 60 degrees to around 40 degrees.
2009-03-08 262 mi
421.65 km
8.216 gal (US)
6.84 gal (Imp)
31.1 L
276.88 kWh
$1.699
($13.96 total for this fill)
31.89 mpg (US)
38.3 mpg (Imp)
7.38 L/100 km
3.14 gal (US)/100 mi
1056.79 Wh/mi
30 miles of city driving. The rest was cruise control @ 75mph. The speed limit is 75 down there, and I was in a hurry.
2009-03-06 431.2 mi
693.95 km
11.29 gal (US)
9.4 gal (Imp)
42.74 L
380.47 kWh
$1.65
($18.63 total for this fill)
38.19 mpg (US)
45.87 mpg (Imp)
6.16 L/100 km
2.62 gal (US)/100 mi
882.35 Wh/mi
Tank 2 for the day.

Cruise at 65-72mph, some DWL. 70-75 degrees outside. Upper and lower grill blocked, 100% highway.
2009-03-06 217 mi
349.23 km
7.32 gal (US)
6.1 gal (Imp)
27.71 L
246.68 kWh
$1.99
($14.57 total for this fill)
29.64 mpg (US)
35.57 mpg (Imp)
7.93 L/100 km
3.37 gal (US)/100 mi
1136.77 Wh/mi
tank 1 for the day.
2009-02-22 347.2 mi
558.76 km
10.45 gal (US)
8.7 gal (Imp)
39.56 L
352.17 kWh
$1.63
($17.03 total for this fill)
33.22 mpg (US)
39.91 mpg (Imp)
7.08 L/100 km
3.01 gal (US)/100 mi
1014.31 Wh/mi
In a hurry to get home to study for midterms. Tank 2 for the day. Cruise set for 72-76mph.
2009-02-22 170.7 mi
274.72 km
5.855 gal (US)
4.87 gal (Imp)
22.16 L
197.31 kWh
$1.59
($9.31 total for this fill)
29.15 mpg (US)
35.05 mpg (Imp)
8.07 L/100 km
3.43 gal (US)/100 mi
1155.89 Wh/mi
40% city, 60% highway. The highway was with the cruise set for 77mph. I was in a hurry.
2009-02-20 218.8 mi
352.12 km
6.996 gal (US)
5.82 gal (Imp)
26.48 L
235.77 kWh
$1.59
($11.12 total for this fill)
31.28 mpg (US)
37.59 mpg (Imp)
7.52 L/100 km
3.2 gal (US)/100 mi
1077.56 Wh/mi
In a hurry, set cruise for 73, even through the hills. Grill blocked. It's just a coincidence that an other of my tanks today was also about 219 miles.

Tank 3 for the day.
2009-02-20 256.6 mi
412.96 km
7.904 gal (US)
6.58 gal (Imp)
29.92 L
266.36 kWh
$1.76
($13.91 total for this fill)
32.46 mpg (US)
39 mpg (Imp)
7.25 L/100 km
3.08 gal (US)/100 mi
1038.04 Wh/mi
90% highway.
2009-02-20 218.9 mi
352.29 km
6.145 gal (US)
5.12 gal (Imp)
23.26 L
207.09 kWh
$1.63
($10.02 total for this fill)
35.62 mpg (US)
42.75 mpg (Imp)
6.6 L/100 km
2.81 gal (US)/100 mi
946.05 Wh/mi
First full tank with grill block. Tank 2 for the day.
2009-02-15 243.2 mi
391.39 km
6.711 gal (US)
5.59 gal (Imp)
25.4 L
226.16 kWh
$1.689
($11.33 total for this fill)
36.24 mpg (US)
43.51 mpg (Imp)
6.49 L/100 km
2.76 gal (US)/100 mi
929.93 Wh/mi
80% highway, 20% city. DWL on hills. Lots of headwind, some drafting. Outside temperature 35-45 degrees. Tank one for the day.
2009-02-15 309.1 mi
497.45 km
9.5 gal (US)
7.91 gal (Imp)
35.96 L
320.15 kWh
$1.899
($18.04 total for this fill)
32.54 mpg (US)
39.08 mpg (Imp)
7.23 L/100 km
3.07 gal (US)/100 mi
1035.75 Wh/mi
All highway. Mostly flat road, cruise control set for 68-70mph. Lots of headwind, some drafting. Outside temperature 27-33 degrees. Tank two for the day.
2009-02-13 343.4 mi
552.65 km
7.929 gal (US)
6.6 gal (Imp)
30.01 L
267.21 kWh
$1.759
($13.95 total for this fill)
43.31 mpg (US)
52.03 mpg (Imp)
5.43 L/100 km
2.31 gal (US)/100 mi
778.13 Wh/mi
100% highway, no stops. I did DWL with my scangauge on hills. Never went over 70mph.
2009-02-01 339.2 mi
545.89 km
10.13 gal (US)
8.44 gal (Imp)
38.35 L
341.38 kWh
$1.71
($17.32 total for this fill)
33.48 mpg (US)
40.19 mpg (Imp)
7.03 L/100 km
2.99 gal (US)/100 mi
1006.43 Wh/mi
65-70 mph. Some DWL, some cruise control at 68mph. Tank 2 of the day. Finally home.
2009-02-01 206.7 mi
332.65 km
5.895 gal (US)
4.91 gal (Imp)
22.32 L
198.66 kWh
$1.66
($9.79 total for this fill)
35.06 mpg (US)
42.1 mpg (Imp)
6.71 L/100 km
2.85 gal (US)/100 mi
961.1 Wh/mi
Very windy, 70-72mph. Drafted semis and SUVs for about half of this tank. This was probably the warmest day on which I've driven this car so far. Hit 55 degrees F for part of this tank. Tank 1 today.
2009-01-30 227.3 mi
365.8 km
6.48 gal (US)
5.4 gal (Imp)
24.53 L
218.38 kWh
$1.599
($10.36 total for this fill)
35.08 mpg (US)
42.09 mpg (Imp)
6.71 L/100 km
2.85 gal (US)/100 mi
960.76 Wh/mi
It was getting late, so I was in a hurry. I set the cruise at 76mph (in a 75mph speed limit zone). Tank 3 for the day.
2009-01-30 260.3 mi
418.91 km
7.795 gal (US)
6.49 gal (Imp)
29.51 L
262.69 kWh
$1.64
($12.78 total for this fill)
33.39 mpg (US)
40.11 mpg (Imp)
7.04 L/100 km
2.99 gal (US)/100 mi
1009.18 Wh/mi
First full tank with ScanGauge II. The SG seems very optimistic; it thought I averaged 43.6 MPG on this tank.

Tried a little DWL. Tank 2 of the day.
2009-01-30 355.6 mi
572.28 km
11.14 gal (US)
9.28 gal (Imp)
42.17 L
375.42 kWh
$1.79
($19.94 total for this fill)
31.92 mpg (US)
38.32 mpg (Imp)
7.37 L/100 km
3.13 gal (US)/100 mi
1055.74 Wh/mi
Last 90 miles were the beginning of my first trip with the ScanGauge II. Tank 1 for the day.
2009-01-25 295.6 mi
475.72 km
8.666 gal (US)
7.21 gal (Imp)
32.8 L
292.04 kWh
$1.599
($13.86 total for this fill)
34.11 mpg (US)
41 mpg (Imp)
6.89 L/100 km
2.93 gal (US)/100 mi
987.96 Wh/mi
90% highway, 10% city. Weather hovering around freezing. Tank one today.
2009-01-25 302.4 mi
486.67 km
10.42 gal (US)
8.68 gal (Imp)
39.44 L
351.15 kWh
$1.799
($18.75 total for this fill)
29.02 mpg (US)
34.84 mpg (Imp)
8.1 L/100 km
3.45 gal (US)/100 mi
1161.21 Wh/mi
All highway, 72-77mph. Tank two for the day, no stops. Around 10 degrees outside.
2009-01-23 352.2 mi
566.81 km
10.86 gal (US)
9.04 gal (Imp)
41.11 L
365.98 kWh
$1.79
($19.44 total for this fill)
32.43 mpg (US)
38.96 mpg (Imp)
7.25 L/100 km
3.08 gal (US)/100 mi
1039.13 Wh/mi
68-75mph, all highway. Tank one of this trip. Grill blocked, just changed the oil.
2009-01-22 317.4 mi
510.81 km
10.12 gal (US)
8.43 gal (Imp)
38.31 L
341.04 kWh
$1.79
($18.11 total for this fill)
31.36 mpg (US)
37.65 mpg (Imp)
7.5 L/100 km
3.19 gal (US)/100 mi
1074.48 Wh/mi
300 of these miles are an ice storm last December. This was the worst weather I had ever driven in.
2008-12-18 318.1 mi
511.93 km
12.69 gal (US)
10.57 gal (Imp)
48.04 L
427.65 kWh
$1.49
($18.91 total for this fill)
25.07 mpg (US)
30.09 mpg (Imp)
9.38 L/100 km
3.99 gal (US)/100 mi
1344.39 Wh/mi
Embarassing. This was 70-72mph. I filled up at a central Missouri Road Ranger; perhaps the octane content was a bit low? 98% highway. (Tank 1 of the day)
2008-12-18 285.5 mi
459.47 km
7.821 gal (US)
6.51 gal (Imp)
29.61 L
263.57 kWh
$1.49
($11.65 total for this fill)
36.5 mpg (US)
43.86 mpg (Imp)
6.44 L/100 km
2.74 gal (US)/100 mi
923.19 Wh/mi
Freezing rain the whole way, 72-75mph. In a hurry to get home and study for finals. (Tank 2 of the day)
2008-12-16 325.6 mi
524 km
9.592 gal (US)
7.99 gal (Imp)
36.31 L
323.25 kWh
$1.49
($14.29 total for this fill)
33.94 mpg (US)
40.75 mpg (Imp)
6.93 L/100 km
2.95 gal (US)/100 mi
992.78 Wh/mi
Horrible winter weather. So cold and rainy that 2/3 of the windshield was frozen for part of it. As usual, all highway.
2008-12-07 261.3 mi
420.52 km
8.362 gal (US)
6.96 gal (Imp)
31.65 L
281.8 kWh
$1.649
($13.79 total for this fill)
31.25 mpg (US)
37.54 mpg (Imp)
7.53 L/100 km
3.2 gal (US)/100 mi
1078.45 Wh/mi
Weather went from about 40 degrees to 10 degrees during this leg of the trip. I should work on a solution to keep my engine warmer? I'll knock together a grill block soon.
2008-12-07 308.9 mi
497.13 km
8.158 gal (US)
6.79 gal (Imp)
30.88 L
274.92 kWh
$1.499
($12.23 total for this fill)
37.86 mpg (US)
45.49 mpg (Imp)
6.21 L/100 km
2.64 gal (US)/100 mi
890 Wh/mi
ALL highway, under 70mph. Started in 68 degree weather, fueled up at about 40 degrees.
2008-12-07 298.7 mi
480.71 km
10.2 gal (US)
8.49 gal (Imp)
38.61 L
343.74 kWh
$1.459
($14.88 total for this fill)
29.28 mpg (US)
35.18 mpg (Imp)
8.03 L/100 km
3.41 gal (US)/100 mi
1150.79 Wh/mi
About 70% highway. Some city.

Taught my girlfriend to drive a manual on this tank, so lots of driving slowly around a parking lot. She didn't stall it on her first try, either!
2008-12-05 343.2 mi
552.33 km
10.56 gal (US)
8.79 gal (Imp)
39.97 L
355.87 kWh
$1.579
($16.67 total for this fill)
32.5 mpg (US)
39.04 mpg (Imp)
7.24 L/100 km
3.08 gal (US)/100 mi
1036.92 Wh/mi
Nearly all highway. Pretty cold (below freezing).
2008-11-23 352.7 mi
567.62 km
11.01 gal (US)
9.17 gal (Imp)
41.68 L
371.04 kWh
$1.66
($18.28 total for this fill)
32.03 mpg (US)
38.46 mpg (Imp)
7.34 L/100 km
3.12 gal (US)/100 mi
1052 Wh/mi
weekend trip...70 miles with tires at ~20psi. the rest with tires at 33 psi. 80% highway, 10% stop-and-go, 10% aggressive city.

I'm running black steel wheels right now; I'm looking into getting some moon hubcaps or Honda Insight wheels. Also planning to remove the decklid spoiler, replace 2 tires, and replace the air filter.

Shooting for 38-40mpg with these mods.

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


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