WheelOffset

2013 GMC Sierra 2500HD Wheel Offset

Quick specs

Wheel size
8.5x20 · 9x20 · 9x22
Offset
ET40 · ET35
Backspacing
5.82 in · 5.88 in
Bolt pattern
8x180
Center bore
124.1 mm
Thread
M14 x 1.5
Tire size
275/55R20 · 285/50R20 · 285/45R22

OEM configurations

ConfigurationRimOffsetBackspacingTireBolt patternCenter boreThread
6.0i · V8, Petrol8.5x20ET405.82 in275/55R208x180124.1 mmM14 x 1.5
6.0i · V8, Petrol9x20ET355.88 in285/50R208x180124.1 mmM14 x 1.5
6.0i · V8, Petrol9x22ET355.88 in285/45R228x180124.1 mmM14 x 1.5
6.6TD · V8, Diesel8.5x20ET405.82 in275/55R208x180124.1 mmM14 x 1.5
6.6TD · V8, Diesel9x20ET355.88 in285/50R208x180124.1 mmM14 x 1.5
6.6TD · V8, Diesel9x22ET355.88 in285/45R228x180124.1 mmM14 x 1.5

Lug hardware

More on Amazon

  • M14x1.5 Lug Nuts Black with Spline Tuner, XL 2 inches Length Conical Aftermarket Wheel Nut, Compatible with Chevy GMC Ford Cadillac Lincoln SAAB Saturn Silverado 1500 Savana, Set of 24

    Catalog match for this vehicle. Confirm seat type and wheel style before buying.

    Check price on Amazon

  • MIKKUPPA M14x1.5 Wheel Lug Nut - Replacement for Chevy Silverado 1500 2500, GMC, Ford, Ram, Aftermarket Wheel - 32pcs Black Closed End Lug Nuts with 1 Socket Key

    Catalog match for this vehicle. Confirm seat type and wheel style before buying.

    Check price on Amazon

  • Dorman 611-236 Wheel Nut M14-1.50 Flattop Nut - 22mm Hex, 44.5mm Length Compatible with Select Models, 10 Pack (OE Fix)

    Catalog match for this vehicle. Confirm seat type and wheel style before buying.

    Check price on Amazon

Real-World 2013 GMC Sierra 2500HD 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:

  • 20-inch — 1 documented build

1 documented build.

2013 GMC Sierra 2500HD custom wheel setup

Staggered · 20×? / Rear unknown

Documented on a 2013 GMC Sierra 2500HD build — observed custom fitment, not a universal fit guarantee.

Wheel: Hostile Havoc-8

Front
20×?
Rear
—
Compared with OEM

Compared with the 20×8.5 ET40 OEM configuration. Calculated geometry only — not fit confirmation.

    View full build on Modified1

    More specs for the 2013 GMC Sierra 2500HD

    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.