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Fuel log graph
Efficiency log for: Subie - 1996 Subaru Impreza Outback
  • Lifetime Fuel Economy: 23.97
  • 90-day Fuel Economy: 25.74
  • 3-tank Fuel Economy: 24.84
  • EPA Rating (% over): 22 (17%)
  • Total fills: 21
  • Average cost per gallon: $2.08
  • Average cost per fill: $23.53
  • Average cost per mile: $0.09Total gallons used: 238.01
  • Total miles traveled: 5704.6
  • Total cost: $495.07
  • Total saved: 21.29 gallons
  • Total saved: $44.28
  • Average tank distance: 271.65
Fill date Distance Fill amount Price MPG Details
2009-07-06 291 mi. 12.06 US gal $2.569 24.13 US - Normal location 87 Marathon - No changes
2009-06-21 256.3 mi. 10.39 US gal $2.799 24.67 US 87 Oct Meijer

Installed 2000 RS Intake Box (top and bottom) about 3/4 tank through. Stock resonator was removed. The diameter of intake into the fender wall is much bigger now Makes pushing pedal more fun due to more grumble of course...

At the initial startup of this new tank of fuel, the car threw a code. Most likely a dirty MAF if i have to guess. We shall see soon.

The engine oil leak has slowed considerably due to auto-rx i believe. The transmission now has a small amount in it in anticipation of a flush and fill.
2009-05-11 309 mi. 12.02 US gal $2.399 25.71 US 87 Octane Normal Marathon Station

Last of Road Trip MPG numbers - some 10w-40 to help with leak. Oil change to 10w-30 max life and start auto-rx rinse phase soon.
2009-05-08 290 mi. 10.94 US gal $2.05 26.51 US 87 octane - shell - Goodlettsville
2009-05-08 266 mi. 9.953 US gal $2.299 26.73 US 87 octane - texaco - Atlanta
2009-05-08 303 mi. 11.98 US gal $2.259 25.29 US 87 octane - Chevron - Highway
2009-05-08 320 mi. 12.45 US gal $2.199 25.7 US 87 octane - ft myers shell - Mixed Driving
2009-05-02 284 mi. 10.36 US gal $2.119 27.41 US 87 octane Shell - florida
2009-05-02 253.2 mi. 9.617 US gal $1.839 26.33 US 87 octane - big foot/shell? - Valdosta GA
2009-05-01 277.5 mi. 10.12 US gal $1.879 27.42 US 87 Octane - Shell - Marietta
2009-05-01 276 mi. 9.574 US gal $1.949 28.83 US 87 Octane - BP - Kentucky

- 11:29 am
2009-04-30 258 mi. 10.84 US gal $2.05 23.8 US 87 Octane Meijer - First Fillup before auto-rx treatment

7:45
2009-04-24 282 mi. 12.1 US gal $2.099 23.31 US 04-14 Fill up with 87 octane Speedway fuel - 12.755 Gallons

Marathon Fillup - Normal Location

No Changes
2009-04-05 286.7 mi. 12.54 US gal $1.899 22.86 US Fill with 87 Marathon Normal Location.

Transmission fluid changed after fill up on 04-05-09.
2009-03-26 286.8 mi. 12.12 US gal $2.099 23.66 US Filled with 87 Octane from Petro Truck Stop

Bigger wheels in diameter and tread width put on. Should actually be a negative affect on mileage. But, more accurate distance numbers due to GPS reading say stock speedo is off.
2009-03-03 266.3 mi. 11.65 US gal $1.859 22.86 US 87 Octane Shell in Eastern Indiana

at least 130 miles on interstate

Still no mods.
Oil change, wheel change, front cheap lip, roof rack cross bar removal all soon.
2009-02-25 225.7 mi. 10.17 US gal $1.729 22.19 US Marathon 87 - Normal Location

This stint was done with 1/3 bottle of heet as noted below.

120 miles highway driving at 75 mph. Some more spirited driving than normal.

No changes to car yet.
2009-02-21 293.8 mi. 12.83 US gal $1.799 22.9 US Normal Marathon 87 Fillup with 1/3 bottle of Heet.

Replaced Ignition Coil showed large improvement in Mileage.

Some interstate Travel.
2009-02-12 226.6 mi. 12.27 US gal $1.959 18.47 US 87 Octane Marathon -carmel

1st quarter + tank consumed by misfire in cylinder 3 traced back to a bad ignition coil. Terribly large amount of snow storms!
2009-01-30 214.7 mi. 11.47 US gal $1.729 18.72 US Normal Marathon location fillup.

Very cold temps. Lots of snow. Just city driving.
2009-01-16 238 mi. 12.56 US gal $1.999 18.95 US Filled with 87 Marathon - 38th st

I am not sure if this is accurate as it is the trip odometer mileage from previous owner, but i reckon it may be close.

The journey starts with improving the car to my liking while improving mileage as well to make the car as a suitable long travel vehicle and fun vehicle.

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