Heimkehr
Well-Known Member
- First Name
- James
- Joined
- Sep 3, 2020
- Threads
- 31
- Messages
- 7,136
- Reaction score
- 14,213
- Location
- Pennsylvania
- Vehicle(s)
- 2021 JLU 2.0T
There's a 20 lb. difference, per corner, between the factory wheel/tire combo on my JLU, and the winter wheel/tire combo that was purchased new last winter. My fuel mileage dropped by 3 mpg during the first tank with the winter shoes installed.2019 JLUR - No lifts, stock tire size. I use Sam's Club gas almost exclusively (87 octane).
I'm at around 1,250' above sea level and I live in the foothills of the Appalachian Mountains... I have been getting 10.5 - 20.5mpg for the past year... I put new tires on the Jeep a few weeks ago and it dropped instantly to 17.0mpg... (BF Goodrich K02's, same as original tires)
I have 50,100 miles on my Jeep and drive the same route nearly every weekday, weekends vary somewhat.
That 3 mpg difference was a slightly bigger penalty than I had anticipated being attributable to the 80 lb. bump in unsprung weight (which is pretty modest, IMO). Possibly the reduced efficiency of winter-blend gasoline is also a causative factor here. FWIW, now I know what to expect.
Like you, Scott, my driving habits tend to change very little during the year.
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