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19" wheels and gas mileage

2K views 2 replies 3 participants last post by  MPToaster 
#1 ·
Has anyone noticed a difference in MPG after swithing from stock to 19" wheels?
 
#3 ·
Went to 18" with 225/40-18 tires a month after i got my box. Didn't notice any gas mileage difference, but when I hook up the ol' windshield mounted GPS on average it says i'm traveling about 1 mph over what my speedometer reads...
 
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