17×8.5 ET18
Documented on a 2014 GMC Sierra 1500 build — observed custom fitment, not a universal fit guarantee.
- Tires
- 265/70R17
- Suspension
- Leveling Kit
2014 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
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M14x1.5 Lug Nuts Black with Spline Tuner, XL…Confirmed vehicle catalog match. Confirm seat type for your wheel.
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MIKKUPPA M14x1.5 Wheel Lug Nut - Replacement for…Confirmed vehicle catalog match. Confirm seat type for your wheel.
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MIKKUPPA M14x1.5 Lug Nuts, Replacement for Silverado, Ford,…Confirmed vehicle catalog match. Confirm seat type for your wheel.
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Real-World 2014 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:
- 20-inch — 4 documented builds
- 26-inch — 3 documented builds
- 18-inch — 2 documented builds
- 17-inch — 1 documented build
10 documented builds.
20×9 ET18
Documented on a 2014 GMC Sierra 1500 build — observed custom fitment, not a universal fit guarantee.
- Tires
- 35/12.5R20
- Suspension
- Suspension Lift 6"
- Spacers
- 1.5"
- Wheel offset
- ET18
- Effective position
- approximately ET-20.1 (calculated)
18×? ET0
Documented on a 2014 GMC Sierra 1500 build — observed custom fitment, not a universal fit guarantee.
- Tires
- 285/65R18
- Suspension
- Suspension Lift 2.5"
20×9 ET0
Documented on a 2014 GMC Sierra 1500 build — observed custom fitment, not a universal fit guarantee.
- Tires
- 275/60R20
Staggered · 26×10 / Rear unknown
Documented on a 2014 GMC Sierra 1500 build — observed custom fitment, not a universal fit guarantee.
Wheel: Sierra Replica
- Front
- 26×10 · 305/30R26
- Rear
- —
Staggered · 18×? / Rear unknown
Documented on a 2014 GMC Sierra 1500 build — observed custom fitment, not a universal fit guarantee.
Wheel: Remington Trophy
- Front
- 18×?
- Rear
- —
Staggered · 26×10 / Rear unknown
Documented on a 2014 GMC Sierra 1500 build — observed custom fitment, not a universal fit guarantee.
Wheel: LTZ Replica
- Front
- 26×10 · 305/30R26
- Rear
- —
Staggered · 26×10 / Rear unknown
Documented on a 2014 GMC Sierra 1500 build — observed custom fitment, not a universal fit guarantee.
Wheel: LTZ Replica
- Front
- 26×10 · 305/30R26
- Rear
- —
Staggered · 20×? / Rear unknown
Documented on a 2014 GMC Sierra 1500 build — observed custom fitment, not a universal fit guarantee.
Wheel: Remington Trophy
- Front
- 20×?
- Rear
- —
Staggered · 20×? / Rear unknown
Documented on a 2014 GMC Sierra 1500 build — observed custom fitment, not a universal fit guarantee.
Wheel: Remington Hollow-Point
- Front
- 20×?
- Rear
- —
More specs for the 2014 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.