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Fuel log graph
Efficiency log for: The Lumina - 1993 Chevrolet Lumina Euro
  • Lifetime Fuel Economy: 24.71
  • 90-day Fuel Economy: 29.74
  • 3-tank Fuel Economy: 29.36
  • EPA Rating (% over): 20 (48.7%)
  • Total fills: 15
  • Average cost per gallon: $1.68
  • Average cost per fill: $21.76
  • Average cost per mile: $0.07Total gallons used: 190.47
  • Total miles traveled: 4706.9
  • Total cost: $319.99
  • Total saved: 44.87 gallons
  • Total saved: $75.38
  • Average tank distance: 313.79
Fill date Distance Fill amount Price MPG Details
2009-08-03 303.5 mi. 10.22 US gal $1.499 29.7 US Sorry, been out of habit for a while. Kept track on other sites. Car was out for repairs for some time too.
10.216 gals to click - I used this number to calc mileage. STUFFED tank with 10.848 gals, seeing as I had $1.00/gal discount - actual price was $2.499/gal.
2009-05-08 368.6 mi. 12.38 US gal $1.699 29.77 US FAS'ing like crazy.
2009-04-24 358.1 mi. 12.49 US gal $2.059 28.67 US
2009-04-13 324.3 mi. 13.17 US gal 24.62 US Gasket replacements led to CEL, due to one gasket sliding out of alignment. Wet weather, also traveled over mountains twice - once with full family, once alone. Burned straight, filled with E10 at $1.759/gal.
2009-03-16 332.5 mi. 12.61 US gal $1.899 26.37 US 100% straight. Warm-ish, but was traveling heavy with passengers/cargo for ~150 miles of it. Bunch of stop and go too.
2009-03-11 352 mi. 13.25 US gal $1.909 26.57 US Burned E10. Bought new tires at 0.00 miles. Inflated to 55 psi, sidewall 44. Lots of FAS.
2009-02-24 171.9 mi. 7.352 US gal $1.959 23.38 US E10. Filled up to start fresh on new tires.
2009-02-16 338 mi. 13.76 US gal $0.959 24.56 US Burned 100% gas, not E10 - made a difference. Filled up with E10 for $0.959/gallon, had a $1.00/gallon discount. Re-set tires to 55 psi.
2009-02-03 344.9 mi. 14.85 US gal $1.899 23.23 US FAS'ing helps.
2009-01-20 308.2 mi. 14.3 US gal $1.559 21.55 US
2009-01-07 335.3 mi. 16.14 US gal $1.499 20.77 US Had discount for 20 cents/gal off. Was bitter cold. Hauled people, had garage door opener (70 lb) in trunk for several days.
2008-12-18 350.8 mi. 15.16 US gal $1.699 23.14 US
2008-12-05 261.8 mi. 11.71 US gal 22.36 US I was turning off at lights, and was trying to be as careful as possible. Temps were lower, and wife drove ~50 miles of it - which is like 2.3 gallons! - that I didn't get to be careful for. Changed oil in the middle of it to Valvoline High-Mileage semi-synth. Drove to church twice, which is driver +3 family members, not just driver. Everything was conspiring against me....
Also, was tesing route #3 to work...looks like its the least efficient....
Lots of wind and rain to fight too - it was cold + wet for 4 or 5 days of it.
Tank was ~5% ethanol, it was half-empy of regular when last fillup was put in, and last fill was 10% ethanol.
2008-11-23 205.6 mi. 8.88 US gal 23.15 US Again, was 10% ethanol. Inflated tires to 44 psi front (rated 44), 40 psi rear (rated 36). Temperatures were 15 degrees F colder than first run. I was also less careful, and some miles were put on by my wife.
2008-11-18 351.4 mi. 14.2 US gal 24.75 US First reading with car. Filled tank after this run with 10% ethanol at $2.49/gal. + $0.70 off/gal discount from grocery store - paid $1.79/gal.

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