Why 20” wheels on Sahara?

SteelerJeep

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Anyone know why FCA went with 20” wheels on the Sahara 4xe? If we placed our 18”‘a with 270/75/18 Wildpeaks is it going to change the drive and impact electric mileage?
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Sboden

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Just a guess but the Sahara has traditionally been more of the street version of the wrangler, so 20's would be about the appropriate size. They have tires which have less rolling resistance than the wildpeaks, so you may see a small decline in electric range. I wouldn't think it would be anything too significant though.
 

Jonnie4xe

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I just swapped in 17" Rubicon wheels with 33" BF Goodrich tires. Only a 3/4" change but mileage is now about 1mph slow. I will ask the service dept to reprogram when I bring it in for my next oil change. Looks so much better and can't wait to take it off road.
 

TopDown2020

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20s have a lower rolling resistance, so yes, your 18s will decrease your range.
 

Getmadboy

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I just swapped in 17" Rubicon wheels with 33" BF Goodrich tires. Only a 3/4" change but mileage is now about 1mph slow. I will ask the service dept to reprogram when I bring it in for my next oil change. Looks so much better and can't wait to take it off road.
Stupid question...does the dealer charge you to recalibrate the speedometer for different sized wheels/tires?
 

jludave

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does the dealer charge you to recalibrate the speedometer for different sized wheels/tires?
Depends on the dealer. Some will do it for you as a courtesy, others have to get their money.
 

Jonnie4xe

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Stupid question...does the dealer charge you to recalibrate the speedometer for different sized wheels/tires?
Charging me $120 which seems like a lot but hopefully they can fix the TPMS too (should have automatically switched over to the OEM Rubi's but did not)
 
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