GMC

2021 GMC Yukon tire sizes

These are the tire sizes the 2021 GMC Yukon was built with, listed by trim. Find your trim, then confirm the size on your tire's sidewall or door placard.

1 trim verified
20-inch wheels
Source: GMC

AT4

1 size option

Original equipment
275/60R20
33.0 in tall, 20-inch wheel
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Source: GMC (manufacturer specifications) · checked Oct 26, 2026

Confirm this size on your tire's sidewall or the tire placard on the driver's door jamb before you buy.

Thinking of a size change?

Check overall height and speedometer difference before you switch.

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You might also need

Digital tire pressure gauge (Amazon search, opens in a new tab)
Check your tire pressure against the number on your door placard.
Portable tire inflator (Amazon search, opens in a new tab)
Top up a low tire at home without a trip to the gas station.
Tire tread depth gauge (Amazon search, opens in a new tab)
Measure how much tread is left before you decide to replace.
Lug wrench or torque wrench (Amazon search, opens in a new tab)
Useful for rotations and tire changes; follow the torque spec in your owner's manual.
TPMS sensor for 2021 GMC Yukon (Amazon search, opens in a new tab)
Sensor type varies by trim and market; match the part number or frequency of your current sensor.

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AT4

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