2011 Chevrolet Silverado 1500 Wheel Offset

Quick specs

Wheel size: 7.5x17 · 8x18 · 8.5x20
Offset: ET31
Backspacing: 4.97 in · 5.22 in · 5.47 in
Bolt pattern: 6x139.7
Center bore: 78.1 mm
Thread: M14 x 1.5
Tire size: 245/70R17 · 265/70R17 · 265/65R18 · 275/55R20

OEM configurations

Configuration	Front	Rear	Offset	Backspacing	Tire	Bolt pattern	Center bore	Thread
4.3 · V6, Petrol	7.5x17	—	ET31	4.97 in	245/70R17	6x139.7	78.1 mm	M14 x 1.5
4.3 · V6, Petrol	7.5x17	—	ET31	4.97 in	265/70R17	6x139.7	78.1 mm	M14 x 1.5
4.3 · V6, Petrol	8x18	—	ET31	5.22 in	265/65R18	6x139.7	78.1 mm	M14 x 1.5
4.3 · V6, Petrol	8.5x20	10.5x20	ET31 / ET35	5.47 in	275/55R20	6x139.7	78.1 mm	M14 x 1.5
4.8 · V8, Flex-Fuel	7.5x17	—	ET31	4.97 in	245/70R17	6x139.7	78.1 mm	M14 x 1.5
4.8 · V8, Flex-Fuel	7.5x17	—	ET31	4.97 in	265/70R17	6x139.7	78.1 mm	M14 x 1.5
4.8 · V8, Flex-Fuel	8.5x20	10.5x20	ET31 / ET35	5.47 in	275/55R20	6x139.7	78.1 mm	M14 x 1.5
4.8 · V8, Flex-Fuel	8x18	—	ET31	5.22 in	265/65R18	6x139.7	78.1 mm	M14 x 1.5
5.3 · 5.3L, V8, Flex-Fuel	7.5x17	—	ET31	4.97 in	245/70R17	6x139.7	78.1 mm	M14 x 1.5
5.3 · 5.3L, V8, Flex-Fuel	7.5x17	—	ET31	4.97 in	265/70R17	6x139.7	78.1 mm	M14 x 1.5
5.3 · 5.3L, V8, Flex-Fuel	8.5x20	10.5x20	ET31 / ET35	5.47 in	275/55R20	6x139.7	78.1 mm	M14 x 1.5
5.3 · 5.3L, V8, Flex-Fuel	8x18	—	ET31	5.22 in	265/65R18	6x139.7	78.1 mm	M14 x 1.5
6.0 · V8, Hybrid	8x18	—	ET31	5.22 in	265/65R18	6x139.7	78.1 mm	M14 x 1.5
6.2 · V8, Flex-Fuel	7.5x17	—	ET31	4.97 in	245/70R17	6x139.7	78.1 mm	M14 x 1.5
6.2 · V8, Flex-Fuel	7.5x17	—	ET31	4.97 in	265/70R17	6x139.7	78.1 mm	M14 x 1.5
6.2 · V8, Flex-Fuel	8x18	—	ET31	5.22 in	265/65R18	6x139.7	78.1 mm	M14 x 1.5
6.2 · V8, Flex-Fuel	8.5x20	10.5x20	ET31 / ET35	5.47 in	275/55R20	6x139.7	78.1 mm	M14 x 1.5

Lug hardware

Real-World 2011 Chevrolet Silverado 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:

22-inch — 4 documented builds
17-inch — 2 documented builds
20-inch — 2 documented builds
18-inch — 1 documented build

10 documented builds.

DiameterLayoutSuspension

2011 Chevrolet Silverado 1500 custom wheel setup

22×9.5 ET35

Documented on a 2011 Chevrolet Silverado 1500 build — observed custom fitment, not a universal fit guarantee.

Tires: 275/40R22

Compared with OEM

Compared with the 20×8.5 ET31 OEM configuration. Calculated geometry only — not fit confirmation.

Outer edge 8.7 mm farther toward fender (more outward poke)
Inner edge 16.7 mm closer to suspension (less inner clearance)
Width +1" vs OEM
Diameter +2" vs OEM

View full build on Modified1

17×9 ET-12

Documented on a 2011 Chevrolet Silverado 1500 build — observed custom fitment, not a universal fit guarantee.

Tires: 285/70R17

Suspension: Leveling Kit

Compared with OEM

Compared with the 17×7.5 ET31 OEM configuration. Calculated geometry only — not fit confirmation.

Outer edge 62 mm farther toward fender (more outward poke)
Inner edge 24 mm farther from suspension (more inner clearance)
Width +1.5" vs OEM

View full build on Modified1

Staggered · 17×8 ET0 / Rear unknown

Documented on a 2011 Chevrolet Silverado 1500 build — observed custom fitment, not a universal fit guarantee.

Wheel: 7005

Front: 17×8 ET0 · 285/70R17
Rear: —

Suspension: Leveling Kit

Compared with OEM

Compared with the 17×7.5 ET31 OEM configuration. Calculated geometry only — not fit confirmation.

Outer edge 37.3 mm farther toward fender (more outward poke)
Inner edge 24.7 mm farther from suspension (more inner clearance)
Width +0.5" vs OEM

View full build on Modified1

20×10 ET-12

Documented on a 2011 Chevrolet Silverado 1500 build — observed custom fitment, not a universal fit guarantee.

Tires: 33/12.5R20

Suspension: Suspension Lift 6"

Compared with OEM

Compared with the 20×8.5 ET31 OEM configuration. Calculated geometry only — not fit confirmation.

Outer edge 62.1 mm farther toward fender (more outward poke)
Inner edge 23.9 mm farther from suspension (more inner clearance)
Width +1.5" vs OEM

View full build on Modified1

18×9 ET-12

Documented on a 2011 Chevrolet Silverado 1500 build — observed custom fitment, not a universal fit guarantee.

Tires: 275/65R18

Compared with OEM

Compared with the 18×8 ET31 OEM configuration. Calculated geometry only — not fit confirmation.

Outer edge 55.7 mm farther toward fender (more outward poke)
Inner edge 30.3 mm farther from suspension (more inner clearance)
Width +1" vs OEM

View full build on Modified1

Staggered · 22×? / Rear unknown

Documented on a 2011 Chevrolet Silverado 1500 build — observed custom fitment, not a universal fit guarantee.

Wheel: Black Rhino Everest

Front: 22×?
Rear: —

Compared with OEM

Compared with the 20×8.5 ET31 OEM configuration. Calculated geometry only — not fit confirmation.

Diameter +2" vs OEM

View full build on Modified1

Staggered · 22×? / Rear unknown

Documented on a 2011 Chevrolet Silverado 1500 build — observed custom fitment, not a universal fit guarantee.

Wheel: Avenue A607

Front: 22×?
Rear: —

Compared with OEM

Compared with the 20×8.5 ET31 OEM configuration. Calculated geometry only — not fit confirmation.

Diameter +2" vs OEM

View full build on Modified1

Staggered · 22×? / Rear unknown

Documented on a 2011 Chevrolet Silverado 1500 build — observed custom fitment, not a universal fit guarantee.

Wheel: Duior DF-312

Front: 22×?
Rear: —

Compared with OEM

Compared with the 20×8.5 ET31 OEM configuration. Calculated geometry only — not fit confirmation.

Diameter +2" vs OEM

View full build on Modified1

Staggered · 20×? / Rear unknown

Documented on a 2011 Chevrolet Silverado 1500 build — observed custom fitment, not a universal fit guarantee.

Wheel: Avenue A607

Front: 20×?
Rear: —

Compared with OEM

Compared with the 20×8.5 ET31 OEM configuration. Calculated geometry only — not fit confirmation.

View full build on Modified1

Custom wheel setup

Documented on a 2011 Chevrolet Silverado 1500 build — observed custom fitment, not a universal fit guarantee.

Wheel: Lexani R Six

View full build on Modified1

More specs for the 2011 Chevrolet Silverado 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.