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Fuel log graph
Efficiency log for: Shadow - 2001 Chevrolet Blazer ZR2 LS
  • Lifetime Fuel Economy: 18.2 mpg (US), 12.9 L/100 km, 21.8 mpg (Imp)
  • 90-day Fuel Economy: 18.2 mpg (US), 12.9 L/100 km, 21.8 mpg (Imp)
  • 3-tank Fuel Economy: 17.9 mpg (US), 13.1 L/100 km, 21.5 mpg (Imp)
  • EPA Combined Rating / % over rating: 15 mpg (US) / 21.2% (based on 90-day fuel economy)
  • Total fills: 11
  • Average cost per gal/L: $3.59 per gal (US); $0.00 per L (price data entered for 11 fill/s)
  • Average cost per fill: $56.43
  • Average distance cost: $0.20 per mi. / $0.12 per km
  • Total fuel used: 172.87 gal (US), 654.4 L
  • Total distance traveled: 3143 mi. / 5058.2 km
  • Total cost: $620.76
  • Total fuel saved vs. EPA: 36.7 gal. (US) / 138.9 L
  • Total saved: $131.75 (based on avg. cost per gal./L)
  • Average tank distance: 285.7 mi. / 459.8 km
Fill date Distance Fill amount Price Fuel Economy Details
2012-12-01 247 mi
397.51 km
14.31 gal (US)
11.92 gal (Imp)
54.17 L
482.25 kWh
$3.31
($47.37 total for this fill)
17.26 mpg (US)
20.72 mpg (Imp)
13.63 L/100 km
5.79 gal (US)/100 mi
1952.43 Wh/mi
Short jaunts to the fire station, short city trips, did not help fuel milage on this tank. For some reason the 4.3's fuel milage takes a dive in the winter months, I have rarely on this tank run it at idle to warm up for than a few minutes.
2012-11-18 256 mi
411.99 km
15.2 gal (US)
12.66 gal (Imp)
57.54 L
512.24 kWh
$3.23
($49.1 total for this fill)
16.84 mpg (US)
20.22 mpg (Imp)
13.97 L/100 km
5.94 gal (US)/100 mi
2000.94 Wh/mi
This milage was terrible, mostly short jaunts to the fire station and note able to get it into closed loop, a few times letting it sit and run at work and the fire station, not good for milage and it is reflected here
2012-11-08 309 mi
497.29 km
15.79 gal (US)
13.15 gal (Imp)
59.77 L
532.12 kWh
$3.55
($56.05 total for this fill)
19.57 mpg (US)
23.5 mpg (Imp)
12.02 L/100 km
5.11 gal (US)/100 mi
1722.07 Wh/mi
Election is over, guess that means fuel prices are to go back up again, oh well. Mix of about 50/50 highway and city on this tank. Nothing exciting.
2012-11-02 321 mi
516.6 km
15.91 gal (US)
13.25 gal (Imp)
60.23 L
536.17 kWh
$3.25
($51.71 total for this fill)
20.18 mpg (US)
24.23 mpg (Imp)
11.66 L/100 km
4.96 gal (US)/100 mi
1670.31 Wh/mi
a bit more highway miles with a few trips this tank, milage is always much improved on the freeway, on a side note, gas was 3.17 for regular, and 3.25 for mid grade, getting to be close to the 2 dollar mark, wonder if it will get there?
2012-10-24 271 mi
436.13 km
15.77 gal (US)
13.13 gal (Imp)
59.7 L
531.45 kWh
$3.49
($55.04 total for this fill)
17.18 mpg (US)
20.64 mpg (Imp)
13.69 L/100 km
5.82 gal (US)/100 mi
1961.07 Wh/mi
did a lot of really short jaunts to the fire station, and around town, milage suffered this tank, but still not too bad.
2012-10-16 288 mi
463.49 km
15.68 gal (US)
13.06 gal (Imp)
59.36 L
528.42 kWh
$3.59
($56.29 total for this fill)
18.37 mpg (US)
22.05 mpg (Imp)
12.81 L/100 km
5.44 gal (US)/100 mi
1834.79 Wh/mi
Mostly city on this tank also, with a few highway trips.
2012-10-08 272 mi
437.74 km
15.92 gal (US)
13.26 gal (Imp)
60.26 L
536.5 kWh
$3.63
($57.79 total for this fill)
17.09 mpg (US)
20.51 mpg (Imp)
13.77 L/100 km
5.85 gal (US)/100 mi
1972.43 Wh/mi
Nothing exciting, all city miles on this tank
2012-09-29 312 mi
502.12 km
15.81 gal (US)
13.17 gal (Imp)
59.85 L
532.8 kWh
$3.83
($60.55 total for this fill)
19.73 mpg (US)
23.69 mpg (Imp)
11.92 L/100 km
5.07 gal (US)/100 mi
1707.69 Wh/mi
Mostly city again on this tank with one 76 mile highway trip. Weather has been in the mid 70's during the day, and mid 40's to 50 during the overnights. I believe the highway trip helped in boosting my over all tank milage.
2012-09-21 298 mi
479.58 km
16.4 gal (US)
13.66 gal (Imp)
62.08 L
552.68 kWh
$3.83
($62.81 total for this fill)
18.17 mpg (US)
21.82 mpg (Imp)
12.94 L/100 km
5.5 gal (US)/100 mi
1854.63 Wh/mi
This go around I have added a new exhaust system. I upgraded the stock cat back to a DynoMax VT variable muffler, and 2.5" Gibson stainless rear section. While it is only one tank, I have noticed a slight improvement in throttle response.

This tank was again a lot of short city runs, and no highway miles. A number of short cold start runs to the fire station, I'm still impressed with the milage so far even with this type of driving.
2012-09-14 281 mi
452.23 km
16.28 gal (US)
13.56 gal (Imp)
61.63 L
548.64 kWh
$3.99
($64.96 total for this fill)
17.26 mpg (US)
20.72 mpg (Imp)
13.63 L/100 km
5.79 gal (US)/100 mi
1952.46 Wh/mi
This tank was mostly short drives, and responding for fire calls, usually not the best for fuel efficency. On a side not gass was extreemly high today here in Minnesota.
2012-09-04 288 mi
463.49 km
15.8 gal (US)
13.16 gal (Imp)
59.81 L
532.46 kWh
$3.74
($59.09 total for this fill)
18.23 mpg (US)
21.88 mpg (Imp)
12.9 L/100 km
5.49 gal (US)/100 mi
1848.82 Wh/mi
First fill info for this vehicle, this tank was all city driving with the a/c used about 80% of the time. Temps have been in the high 80's to low 90's

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


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