2013 Buick Regal Tire Sizes

Factory original equipment (OE) tire specifications.

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Base

Tire Size
P235/50R18
Load Index
97
Speed Rating
V

GS

Tire Size
P245/40R19
Load Index
94
Speed Rating
W

GS

Tire Size
255/35ZR20
Load Index
97
Speed Rating
(Y)

Turbo

Tire Size
P235/50R18
Load Index
97
Speed Rating
V

Turbo

Tire Size
P245/40R19
Load Index
94
Speed Rating
W