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2025 GMC Sierra 1500 Pro Graphite Edition — 275/60R20

2025 GMC Sierra 1500Loading vehicle photo…
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2025 GMC Sierra 1500 Pro Graphite Edition

Factory size
275/60R20
Load / speed
115S
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What size tires does the 2025 GMC Sierra 1500 Pro Graphite Edition take?

The factory tire size for the 2025 GMC Sierra 1500 Pro Graphite Edition is 275/60R20.

The catalog lists it at load index 115, speed rating S (up to 112 mph).

Factory tire sizes and ratings
WheelsSizeLoad indexSpeed rating
All wheels275/60R20115S

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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