2015 GMC Sierra 2500HD Wheel Offset

Quick specs

Wheel size: 8.5x20 · 9x20 · 9x22
Offset: ET40 · ET35
Backspacing: 5.82 in · 6.07 in · 5.88 in
Bolt pattern: 8×180
Center bore: 124.1 mm
Thread: M14×1.5
Tire size: 275/55R20 · 285/50R20 · 285/45R22

Explore wheels at Tire Rack

Showing matching bolt patterns and offsets up to 30 mm lower. Confirm center bore, load rating, and clearance at Tire Rack.

Configuration

No Tire Rack listings for this configuration.

Tire Rack pays a commission on qualifying purchases. Prices and availability come from Tire Rack. A dimensional or size match is not a confirmation that the product fits your vehicle.

OEM configurations

Configuration	Rim	Offset	Backspacing	Tire	Bolt pattern	Center bore	Thread
6.0i · V8, Petrol	8.5x20	ET40	5.82 in	275/55R20	8x180	124.1 mm	M14 x 1.5
6.0i · V8, Petrol	9x20	ET40	6.07 in	285/50R20	8x180	124.1 mm	M14 x 1.5
6.0i · V8, Petrol	9x22	ET35	5.88 in	285/45R22	8x180	124.1 mm	M14 x 1.5
6.6TD · V8, Diesel	8.5x20	ET40	5.82 in	275/55R20	8x180	124.1 mm	M14 x 1.5
6.6TD · V8, Diesel	9x20	ET40	6.07 in	285/50R20	8x180	124.1 mm	M14 x 1.5
6.6TD · V8, Diesel	9x22	ET35	5.88 in	285/45R22	8x180	124.1 mm	M14 x 1.5

Wheels and hardware

Lug hardware

Real-World 2015 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 — 3 documented builds
24-inch — 2 documented builds
22-inch — 1 documented build

6 documented builds.

Diameter

2015 GMC Sierra 2500HD custom wheel setup

Staggered · 22×12 / Rear unknown

Documented on a 2015 GMC Sierra 2500HD build — observed custom fitment, not a universal fit guarantee.

Wheel: Fuel D260

Front: 22×12 · 315/60R22
Rear: —

Compared with OEM

Compared with the 22×9 ET35 OEM configuration. Calculated geometry only — not fit confirmation.

View full build on Modified1

Staggered · 20×? / Rear unknown

Documented on a 2015 GMC Sierra 2500HD build — observed custom fitment, not a universal fit guarantee.

Wheel: Fuel Dune

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

Staggered · 24×15 / 25×15

Documented on a 2015 GMC Sierra 2500HD build — observed custom fitment, not a universal fit guarantee.

Front: 24×15
Rear: 25×15

Compared with OEM

Compared with the 22×9 ET35 OEM configuration. Calculated geometry only — not fit confirmation.

Diameter +2" vs OEM

View full build on Modified1

Staggered · 20×? / Rear unknown

Documented on a 2015 GMC Sierra 2500HD build — observed custom fitment, not a universal fit guarantee.

Wheel: Black Rhino Sierra

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

Staggered · 24×15 / Rear unknown

Documented on a 2015 GMC Sierra 2500HD build — observed custom fitment, not a universal fit guarantee.

Wheel: ADV.1 08TruckSpecSL

Front: 24×15
Rear: —

Compared with OEM

Compared with the 22×9 ET35 OEM configuration. Calculated geometry only — not fit confirmation.

Diameter +2" vs OEM

View full build on Modified1

Staggered · 20×? / Rear unknown

Documented on a 2015 GMC Sierra 2500HD build — observed custom fitment, not a universal fit guarantee.

Wheel: Remington High-Country

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

Compare your own setup

See how a different width or offset sits versus an OEM configuration for this year.

OEM baseline

Open full fitment calculator

More specs for the 2015 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.