I have 255/295 Front/Rear on my car and my fuel cosumtion has not changed noticeable. Still has .55 average, but i have very little city driving.
20 inch wheels.
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BMW G05 X5 Xdrive45e M-sport - Air Suspension - Sport automatic - 741M 21" wheels | 275/40-R21 | 315/35-R21 | Nokian Hakkapelliita 9 | Sapphire Black | B&W Diamond Surround Sound | Comfort Seats | Merino Leather | Extended Shadow Line
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