18×? ET18
Documented on a 2017 GMC Sierra 1500 build — observed custom fitment, not a universal fit guarantee.
- Tires
- 285/65R18
- Suspension
- Leveling Kit
2017 GMC Sierra 1500 Wheel Offset
Quick specs
- Bolt pattern
- 6×139.7
- Center bore
- 78.1 mm
- Thread
- M14×1.5
Wheels and hardware
More on AmazonLug hardware
More on Amazon
M14x1.5 Lug Nuts Black with Spline Tuner, XL…Confirmed vehicle catalog match. Confirm seat type for your wheel.
Check on Amazon
Wheel Accessories Parts Set of 24 Black Spiked…Confirmed vehicle catalog match. Confirm seat type for your wheel.
Check on Amazon
MIKKUPPA M14x1.5 Wheel Lug Nut - Replacement for…Confirmed vehicle catalog match. Confirm seat type for your wheel.
Check on Amazon
Real-World 2017 GMC Sierra 1500 Wheel Setups
Observed aftermarket setups from documented Modified1 builds. These are individual build records — not OEM specifications and not clearance guarantees for every vehicle.
Common custom wheel sizes
Among builds in our database for this model year:
- 18-inch — 1 documented build
1 documented build.
More specs for the 2017 GMC Sierra 1500
Each OEM row is a catalog configuration. Offset ranges are not collapsed when the database has exact setups. Documented aftermarket builds are observed setups only — not universal fit or clearance confirmation.