OEM Tire Size for 2019 GMC Sierra Denali
Maintaining the factory-recommended tire dimensions is crucial for the safety, fuel efficiency, and handling of your 2019 GMC Sierra Denali 5.3L V8 VVT 8AT 2WD (355 HP) (5’ 8” box). The standard equipment tire size for this specific trim is 275/55R20.
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Thinking about upgrading your wheels? Before changing your rim diameter from the factory 20-inch size, always use our Tire Size Calculator to ensure your speedometer remains accurate.