V8 MPG

Average MPG (V8 Only)

  • Less than 10 MPG

    Votes: 6 1.0%

  • 10 to 12 MPG

    Votes: 13 2.2%

  • 13 to 15 MPG

    Votes: 173 29.6%

  • 16 to 18 MPG

    Votes: 297 50.9%

  • 19 to 21 MPG

    Votes: 84 14.4%

  • 22 to 24 MPG

    Votes: 4 0.7%

  • Over 24 MPG

    Votes: 7 1.2%
  • Total voters
    584
2003 Limited V8

Colorado Springs, CO

91 Octane

85K miles

Average driver

Mixed Driving

15-17mpg/city; 19-24mpg/hwy (pending how fast i drive).
 
1: 2008 V8 2WD SE
2: Houston, TX (Hot!!!!)
3: 87 Octane
4: 25,000 miles
5: Normal to Aggressive
6: Mix, leaning toward more highway
7: 15-16 MPG average (hand calculated), 17-18 on the screen
 
1. 06 4wd sports edition v8
2. Southern California
3. 91 octane
4. 65k miles
5. aggressive
6. Mix
7. 12-12.5 calculated manually, don't remember what screen shows, was never accurate so i never look at it

I also have OME lift and 265/70/17 BFG A/Ts
 
2006 4X4 SR5 V8

Grand Rapids, MI

87 octane

69k miles

average driver

mixed driving

17.4 mpg on the computer, around 16 last time I checked a tank.

Got 20 mpg on the hiway on 2 roadtrips to Florida.
 
1.. What year is your 4R?
2005 - SR5 - perm 4x4

2.. Where you live? (Looking for Climate Mostly)
Chicago (New to area, mostly from North Carolina)

3.. What type of fuel? (Octane)
87 premium

4.. How many miles on your rig?
78,000

5.. Type of Driver (Mild/Average/Agressive)
Average

6.. Type of Driving (City/HWY/Mix)
about 50/50 mix

7.. Your average MPG (Computer of Calculated)
19.0 ish.

Note: I have changed my spark plugs already - idle some seafoam in the oil before changing every-other oil change (5k intervals), full synthetic diff gear oil, always clean the air filter (if not replace) every oil change.
 
1.. 2004
2.. Western Canada, dry climate, 2400 ft above sea level
3.. 91 (premium)
4.. 65,000 mi
5.. Mild
6.. Mix 1/3 (where 1 - Hwy, 3 - City)
7.. 12.2 l/100 km or 19.2 mpg (computer calculated, no reset past 2000 mi)
 
1.. What year is your 4R? 2007
2.. Where you live? Sacramento, CA
3.. What type of fuel? 89 Chervon
4.. How many miles on your rig? 23,000 miles
5.. Type of Driver -- mild, wife's DD
6.. Type of Driving -- mixed
7.. Your average MPG -- 19.2mpg
 
Info on 05 v8 4x4 sport edition

1. 05 4wd sport edition V8
2. Southern California
3. 91 octane
4. 40k miles
5. Normal to Aggressive
6. More Highway than City (Miramar to Camp Pen daily)
7. 16.9-19.7 Keeping it under 70 gets 20's.
 
1.. 03 v8 limited
2.. 87 octane
3.. east tennesse, humid. rolling hills.
4.. 145k Miles
5.. Average
6.. MIX
7.. about 16.4 MPG Computer
 
I love it when dead threads get revived by newbies! I'll play!

03 SR5 V8
Bathurst, NB (New Brunswick, not Nebraska)
87 Octane
average on the skinny pedal
98000 miles
mostly city
I average about 15-18 depending on driving style. all stock.
 
Hey Bacon... nice to see a fellow New Brunswicker on here.

1.. 06 Limited V8
2.. Fredericton, NB (New Brunswick, not Nebraska)
3.. 87 Octane
4.. 67,100 miles
5.. Mild, easy driving
6.. 90-100% City
7.. 15 mpg

Check out my sig for a link to my fuel mileage tracking so far.
 
Last edited:
1.. What year is your 4R? 2005
2.. Where you live? (Looking for Climate Mostly) Central TX
3.. What type of fuel? (Octane) not sure... the cheap kind
4.. How many miles on your rig? 85,000 miles
5.. Type of Driver (Mild/Average/Agressive) average
6.. Type of Driving (City/HWY/Mix) mix
7.. Your average MPG (Computer of Calculated) 19.8
 
20 mpg

1.. What year is your 4R? 2003 Sr5 2wd
2.. Where you live? (Looking for Climate Mostly) Southern California
3.. What type of fuel? (Octane) 87
4.. How many miles on your rig? 145,000
5.. Type of Driver (Mild/Average/Agressive) Agressive, but cruise on fwy.
6.. Type of Driving (City/HWY/Mix) Mostly HWY
7.. Your average MPG (Computer of Calculated) 23.1
 
2008 4wd

1.. 2008
2.. Central TX
3.. 87
4.. 27k
5.. Average
6.. Mix
7.. Calculated average for the last 10k miles = 16.58, Best 19.1, Worst 15.4

Display averages 9% high over that time.
 
1. 2005
2. Colorado
3. 85
4. ~87,000
5. Average to Aggressive
6. Mix, mostly highway
7. 20.5 MPG

I was getting around 17mpg before I did several maintenance items / mods to my truck over the past month or so which increased my computed mpg. After performing the maintenance/mods I reset my EFI computer. I did the following:
  • Ran Sea Foam in gas and engine oil for roughly 500 miles
  • Replaced engine oil with SuperTech (Wal-Mart) full synthetic 5W-30,
  • Installed FRAM High Mileage Oil Filter,
  • Replaced front/rear differential and transfer case fluids to 75W-90 Mobil 1 full synthetic,
  • Replaced OEM air filter with K&N High Performance air filter,
  • Removed HCF filter,
  • Deck Plate mod (installed deck plate on OEM air box),
  • Cleaned MAF sensor,
  • Cleaned throttle body
 
  1. 2006
  2. Vermont
  3. 87 Octane
  4. 73,000
  5. Average Driver
  6. Mixed rural highway and small town traffic
  7. Computer = 18.X - Hand Calculated = 16.X
 
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