Birddog
Senior Member
- Joined
- Sep 1, 2012
- Posts
- 2,472
- Reaction score
- 894
- Location
- West Palm Beach, FL
- Ram Year
- 2016 Bright White 3500 Laramie 4X4 Long Bed
- Engine
- 6.7 Cummins TD, 3.73
I lost about 3-4 MPG'S US with my lift and tires. Hard to tell with winter fuel right now. I doubt it'll change much this spring when we get onto summer gas though.
I haven't seen 16 mpg since the tires went on. My average is 14.4 MPG. This has 70+ mph trips, 55mph driving, in city, and idling to warm up. It's hard to get a true hwy mpg with how I use the truck.
For reference I have a 2014 longhorn CC 4x4 (heavy) with 3.92 gears, S&B cai, and tonneau cover, and using 91 octane fuel. My hemifever tune was on for 1 trip but it's been off for all the others as I need to take it to the dealer. It'll be interesting to see if it makes a difference once I put it back on. I've got 4 tanks of fuel recorded without it since I put the tires on.
Don't feel bad. I have a friend that bought his wife a 2015 Hemi loaded Cherokee. I looked at her average mpg and it was 15. Everything stock, just got her foot in the pedal. Lol
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