2019 GMC Sierra 1500 AT4
The 2019 GMC Sierra 1500 AT4 tire size and wheel specifications below reflect standard OEM reference fitment data for this trim level.
Bolt Pattern6x139.7
Center Bore78.1
Stud SizeM 14x1.5
Fitment Specifications
| Engine & Trim | Tire Size | Rim Size | Offset (ET) |
|---|---|---|---|
| AT4 | 275/60R20 | 20" x 9.0 | ET28 |
Frequently Asked Questions
What tire size does the 2019 GMC Sierra 1500 AT4 use?
The 2019 GMC Sierra 1500 AT4 uses 275/60R20 tires as standard equipment.
What is the bolt pattern of the 2019 GMC Sierra 1500 AT4?
The 2019 GMC Sierra 1500 AT4 has a 6x139.7 bolt pattern with a center bore of 78.1mm.
What is the wheel offset of the 2019 GMC Sierra 1500 AT4?
The 2019 GMC Sierra 1500 AT4 has a wheel offset of ETET28.