2008 GMC Sierra 1500 Wheel Offset
Quick specs
- Wheel size
- Multiple — see configurations
- Backspacing
- Multiple — see configurations
- Bolt pattern
- 6×139.7
- Center bore
- 78.1 mm
- Thread
- M14×1.5
- Tire size
- Multiple — see configurations
OEM configurations
| Configuration | Front | Rear | Offset | Backspacing | Tire | Bolt pattern | Center bore | Thread |
|---|---|---|---|---|---|---|---|---|
| 4.3i · 4.3L, LU3, V6, Petrol | 7.5x17 | — | ET31 | 4.97 in | 245/70R17 | 6x139.7 | 78.1 mm | M14 x 1.5 |
| 4.3i · 4.3L, LU3, V6, Petrol | 7.5x17 | — | ET31 | 4.97 in | 265/70R17 | 6x139.7 | 78.1 mm | M14 x 1.5 |
| 4.3i · 4.3L, LU3, V6, Petrol | 8x18 | — | ET31 | 5.22 in | 265/65R18 | 6x139.7 | 78.1 mm | M14 x 1.5 |
| 4.3i · 4.3L, LU3, V6, Petrol | 8.5x20 | 10.5x20 | ET31 / ET35 | 5.47 in | 275/55R20 | 6x139.7 | 78.1 mm | M14 x 1.5 |
| 4.8i · 4.8L, LY2, V8, Petrol | 7.5x17 | — | ET31 | 4.97 in | 245/70R17 | 6x139.7 | 78.1 mm | M14 x 1.5 |
| 4.8i · 4.8L, LY2, V8, Petrol | 7.5x17 | — | ET31 | 4.97 in | 265/70R17 | 6x139.7 | 78.1 mm | M14 x 1.5 |
| 4.8i · 4.8L, LY2, V8, Petrol | 8x18 | — | ET31 | 5.22 in | 265/65R18 | 6x139.7 | 78.1 mm | M14 x 1.5 |
| 4.8i · 4.8L, LY2, V8, Petrol | 8.5x20 | 10.5x20 | ET31 / ET35 | 5.47 in | 275/55R20 | 6x139.7 | 78.1 mm | M14 x 1.5 |
| 5.3i · 5.3L, LMG/LC9, V8, Flex-Fuel | 8.5x16 | — | ET41 | 5.86 in | 265/80R16 | 6x139.7 | 78.1 mm | M14 x 1.5 |
| 5.3i · 5.3L, LMG/LC9, V8, Flex-Fuel | 6.5x17 | — | ET26 | 4.27 in | 275/60R17 | 6x139.7 | 78.1 mm | M14 x 1.5 |
| 5.3i · 5.3L, LMG/LC9, V8, Flex-Fuel | 7x17 | — | ET26 | 4.52 in | 245/75R17 | 6x139.7 | 78.1 mm | M14 x 1.5 |
| 5.3i · 5.3L, LMG/LC9, V8, Flex-Fuel | 9x19 | — | ET36 | 5.92 in | 295/55R19 | 6x139.7 | 78.1 mm | M14 x 1.5 |
| 5.3i · 5.3L, LMG/LC9, V8, Flex-Fuel | 6.5x17 | — | ET26 | 4.27 in | 265/60R17 | 6x139.7 | 78.1 mm | M14 x 1.5 |
| 5.3i · 5.3L, LMG/LC9, V8, Flex-Fuel | 8x16 | — | ET31 | 5.22 in | 255/70R16 | 6x139.7 | 78.1 mm | M14 x 1.5 |
| 5.3i · 5.3L, LMG/LC9, V8, Flex-Fuel | 7x18 | — | ET31 | 4.72 in | 245/65R18 | 6x139.7 | 78.1 mm | M14 x 1.5 |
| 5.3i · 5.3L, LMG/LC9, V8, Flex-Fuel | 7.5x21 | — | ET21 | 4.58 in | 265/65R21 | 6x139.7 | 78.1 mm | M14 x 1.5 |
| 6.0i · 6.0L, LY6, V8, Petrol | 7.5x16 | — | ET36 | 5.17 in | 235/60R16 | 6x139.7 | 78.1 mm | M14 x 1.5 |
| 6.0i · 6.0L, LY6, V8, Petrol | 7x18 | — | ET21 | 4.33 in | 285/70R18 | 6x139.7 | 78.1 mm | M14 x 1.5 |
| 6.0i · 6.0L, LY6, V8, Petrol | 8.5x17 | — | ET26 | 5.27 in | 275/65R17 | 6x139.7 | 78.1 mm | M14 x 1.5 |
| 6.0i · 6.0L, LY6, V8, Petrol | 8x21 | — | ET36 | 5.42 in | 265/45R21 | 6x139.7 | 78.1 mm | M14 x 1.5 |
| 6.2i · 6.2L, L9H, V8, Flex-Fuel | 7.5x16 | — | ET36 | 5.17 in | 255/80R16 | 6x139.7 | 78.1 mm | M14 x 1.5 |
| 6.2i · 6.2L, L9H, V8, Flex-Fuel | 7.5x17 | — | ET41 | 5.36 in | 255/80R17 | 6x139.7 | 78.1 mm | M14 x 1.5 |
| 6.2i · 6.2L, L9H, V8, Flex-Fuel | 9x19 | — | ET21 | 5.33 in | 265/75R19 | 6x139.7 | 78.1 mm | M14 x 1.5 |
| 6.2i · 6.2L, L9H, V8, Flex-Fuel | 9.5x20 | — | ET36 | 6.17 in | 285/55R20 | 6x139.7 | 78.1 mm | M14 x 1.5 |
Wheels and hardware
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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
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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
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Wheel Accessories Parts Bulge Acorn Set of 24 Aftermarket Lug Nuts M14 X 1.50 Thread 1.90" Long for Trucks 19mm(3/4") Hex 14x1.5 Wheel Lug Nuts (24 M14x1.50, Chrome)
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Wheel locks
More on AmazonCompare your own setup
See how a different width or offset sits versus an OEM configuration for this year.
More specs for the 2008 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.