WheelOffset

2014 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
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, Petrol9x20ET406.07 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, Diesel9x20ET406.07 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

  • Wheel Accessories Parts Set of 24 Black Spiked Solid Metal Lug Nuts M14x1.5 Thread 4.4 Inch Tall Closed End Bulge Acorn Spike Lug Nut 1 Socket Key- Fit Chevy Silverado 1500 Ford F150 GMC Sierra 1500

    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

Real-World 2014 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:

  • 24-inch — 1 documented build
  • 26-inch — 1 documented build

2 documented builds.

2014 GMC Sierra 2500HD custom wheel setup

Staggered · 24×15 / Rear unknown

Documented on a 2014 GMC Sierra 2500HD build — observed custom fitment, not a universal fit guarantee.

Wheel: ADV 08R Truck Spec

Front
24×15 · 395/50R24
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
2014 GMC Sierra 2500HD custom wheel setup

Staggered · 26×10 / Rear unknown

Documented on a 2014 GMC Sierra 2500HD build — observed custom fitment, not a universal fit guarantee.

Wheel: OEM

Front
26×10 · 305/30R26
Rear
—
Compared with OEM

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

  • Diameter +4" vs OEM
View full build on Modified1

More specs for the 2014 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.