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2019 GMC Sierra 1500 SLT — 265/65R18

2019 GMC Sierra 1500Loading vehicle photo…
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2019 GMC Sierra 1500 SLT

Factory size
265/65R18
Load / speed
114T
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What size tires does the 2019 GMC Sierra 1500 SLT take?

The factory tire size for the 2019 GMC Sierra 1500 SLT is 265/65R18.

The catalog lists it at load index 114, speed rating T (up to 118 mph).

This trim is also listed with 275/60R20, 275/50R22. Check which one your vehicle has.

Factory tire sizes and ratings
WheelsSizeLoad indexSpeed rating
All wheels265/65R18114T
All wheels275/60R20115S
All wheels275/50R22111T

Confirm the size printed on the sidewall of your current tire or on the tire placard in the driver's door jamb before you buy. Replacement tires should meet or exceed the vehicle's load index and speed rating.

GMC Sierra 1500 tire sizes for every year

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