2010 Chevrolet Silverado 1500 Wheel Offset

ET31

Quick specs

OEM offset: ET31
Wheel size: 7.5x17 · 8x18 · 8.5x20
Backspacing: 4.97 in · 5.22 in · 5.47 in
Bolt pattern: 6×139.7
Center bore: 78.1 mm
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

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

OEM baseline

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Wheels and hardware for this vehicle

Lug hardware

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Real-World 2010 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:

20-inch — 4 documented builds
18-inch — 3 documented builds
24-inch — 3 documented builds

10 documented builds.

DiameterLayoutSuspension

2010 Chevrolet Silverado 1500 custom wheel setup

18×10 ET-12

Documented on a 2010 Chevrolet Silverado 1500 build — observed custom fitment, not a universal fit guarantee.

Tires: 35/12.5R18

Suspension: Suspension Lift 4"

Compared with OEM

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

Outer edge 68.4 mm farther toward fender (more outward poke)
Inner edge 17.6 mm farther from suspension (more inner clearance)
Width +2" vs OEM

View full build on Modified1

20×10 ET-24

Documented on a 2010 Chevrolet Silverado 1500 build — observed custom fitment, not a universal fit guarantee.

Compared with OEM

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

Outer edge 74.1 mm farther toward fender (more outward poke)
Inner edge 35.9 mm farther from suspension (more inner clearance)
Width +1.5" vs OEM

View full build on Modified1

20×9 ET18

Documented on a 2010 Chevrolet Silverado 1500 build — observed custom fitment, not a universal fit guarantee.

Tires: 33/12.5R20

Suspension: Suspension Lift 3.5"

Compared with OEM

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

Outer edge 19.4 mm farther toward fender (more outward poke)
Inner edge 6.6 mm farther from suspension (more inner clearance)
Width +0.5" vs OEM

View full build on Modified1

18×? ET18

Documented on a 2010 Chevrolet Silverado 1500 build — observed custom fitment, not a universal fit guarantee.

Tires: 275/65R18

Suspension: Leveling Kit

Compared with OEM

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

View full build on Modified1

18×9 ET18

Documented on a 2010 Chevrolet Silverado 1500 build — observed custom fitment, not a universal fit guarantee.

Tires: 285/65R18

Suspension: Suspension Lift 3.5"

Compared with OEM

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

Outer edge 25.7 mm farther toward fender (more outward poke)
Inner edge 0.3 mm farther from suspension (more inner clearance)
Width +1" vs OEM

View full build on Modified1

Staggered · 24×? / Rear unknown

Documented on a 2010 Chevrolet Silverado 1500 build — observed custom fitment, not a universal fit guarantee.

Wheel: U2 55

Front: 24×? · 275/30R24
Rear: —

Compared with OEM

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

Diameter +4" vs OEM

View full build on Modified1

Staggered · 20×9 / Rear unknown

Documented on a 2010 Chevrolet Silverado 1500 build — observed custom fitment, not a universal fit guarantee.

Wheel: RDR RD01

Front: 20×9 · 315/50R20
Rear: —

Compared with OEM

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

View full build on Modified1

Staggered · 24×10 / Rear unknown

Documented on a 2010 Chevrolet Silverado 1500 build — observed custom fitment, not a universal fit guarantee.

Wheel: DUB Bully

Front: 24×10 · 295/35R24
Rear: —

Compared with OEM

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

Diameter +4" vs OEM

View full build on Modified1

Staggered · 24×? / Rear unknown

Documented on a 2010 Chevrolet Silverado 1500 build — observed custom fitment, not a universal fit guarantee.

Wheel: Giovanna Gianelle Mallorca

Front: 24×?
Rear: —

Compared with OEM

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

Diameter +4" vs OEM

View full build on Modified1

Staggered · 20×9 / Rear unknown

Documented on a 2010 Chevrolet Silverado 1500 build — observed custom fitment, not a universal fit guarantee.

Wheel: Snowflakes

Front: 20×9 · 285/55R20
Rear: —

Compared with OEM

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

View full build on Modified1

More specs for the 2010 Chevrolet Silverado 1500

OEM offsets are catalog configurations, not an aftermarket “safe ET range.” Matching offset alone does not confirm clearance. Documented custom builds are observed setups only.