Sizes of Tires and Rims for the GMC
Sierra 2500HD GMT T1XX (2020-2021)
| Tire size | Tire pressure | Rim size | Wheel fastener | Center bore |
|---|---|---|---|---|
| LT245/75 R17 | Front: 4.1 bar Rear: 5.5 bar |
7.5Jx17 ET44 | Nuts: 8 x 180 (PCD) | 124.1 mm |
| LT265/70 R17 | Front: 4.1 bar Rear: 5.5 bar |
7.5Jx17 ET44 | Nuts: 8 x 180 (PCD) | 124.1 mm |
| LT275/70 R18 | 8Jx18 ET44 | Nuts: 8 x 180 (PCD) | 124.1 mm | |
| LT275/65 R20 | 8.5Jx20 ET47 | Nuts: 8 x 180 (PCD) | 124.1 mm |
Sierra 3500HD GMT T1XX (2020-2021)
| Tire size | Tire pressure | Rim size | Wheel fastener | Center bore |
|---|---|---|---|---|
| LT235/80 R17 | Front: 4.8 bar Rear: 4.5 bar |
6.5Jx17 ET125 | Nuts: 8 x 210 (PCD) | 124.1 mm |
| LT235/80 R17 | Front: 4.8 bar Rear: 4.5 bar |
6.5Jx17 ET125 | Nuts: 8 x 210 (PCD) | 154.2 mm |
Sierra 2500HD GMTK2 (2014-2019)
|
|
||||||||||||
| Tire size | Tire pressure | Rim size | Wheel fastener | Center bore | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| LT245/75 R17 | Front: 3.4 bar Rear: 5.2 bar |
7Jx17 ET50 | Nuts: 8 x 180 (PCD) | 124.1 mm | ||||||||
| LT265/70 R17 | Front: 3.4 bar Rear: 5.2 bar |
7.5Jx17 ET44 | Nuts: 8 x 180 (PCD) | 124.1 mm | ||||||||
| LT265/70 R18 | Front: 3.4 bar Rear: 5.2 bar |
8Jx18 ET44 | Nuts: 8 x 180 (PCD) | 124.1 mm | ||||||||
| 275/55 R20 | 8.5Jx20 ET40 | Nuts: 8 x 180 (PCD) | 124.1 mm | |||||||||
| 285/50 R20 | 9Jx20 ET40 | Nuts: 8 x 180 (PCD) | 124.1 mm | |||||||||
| LT265/60 R20 | Front: 3.4 bar Rear: 5.2 bar |
8Jx20 ET44 | Nuts: 8 x 180 (PCD) | 124.1 mm | ||||||||
| 285/45 R22 | 9Jx22 ET35 | Nuts: 8 x 180 (PCD) | 124.1 mm | |||||||||
| More sizes | ||||||||||||
Sierra 3500HD GMTK2 (2014-2019)
| Tire size | Tire pressure | Rim size | Wheel fastener | Center bore |
|---|---|---|---|---|
| LT235/80 R17 | Front: 4.8 bar Rear: 4.5 bar |
6.5Jx17 ET125 | Nuts: 8 x 210 (PCD) | 124.1 mm |
| LT235/80 R17 | Front: 4.8 bar Rear: 4.5 bar |
6.5Jx17 ET125 | Nuts: 8 x 210 (PCD) | 154.2 mm |
| LT235/80 R17 | Front: 4.8 bar Rear: 4.5 bar |
6.5Jx17 ET125 | 8 x 210 (PCD) |
Sierra 3500HD GMT900 (2007-2013)
| Tire size | Tire pressure | Rim size | Wheel fastener | Center bore | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| LT245/75 R16 | 6.5Jx16 ET28 | Nuts: 8 x 165.1 (PCD) | 116.7 mm | |||||||||
| LT225/75 R17 | 6.5Jx17 ET28 | Nuts: 8 x 165.1 (PCD) | 116.7 mm | |||||||||
| LT245/75 R17 | 7.5Jx17 ET28 | Nuts: 8 x 165.1 (PCD) | 116.7 mm | |||||||||
| LT245/75 R17 | 7.5Jx17 ET44 | Nuts: 8 x 180 (PCD) | 124.1 mm | |||||||||
| LT265/70 R17 | 7.5Jx17 ET28 | Nuts: 8 x 165.1 (PCD) | 116.7 mm | |||||||||
| LT265/70 R17 | 7.5Jx17 ET44 | Nuts: 8 x 180 (PCD) | 124.1 mm | |||||||||
| LT265/70 R18 | 8Jx18 ET44 | Nuts: 8 x 180 (PCD) | 124.1 mm | |||||||||
| LT265/60 R20 | 8.5Jx20 ET44 | Nuts: 8 x 180 (PCD) | 124.1 mm | |||||||||
| More sizes | ||||||||||||
Sierra 2500HD GMT900 (2007-2013)
|
|
||||||||||||
| Tire size | Tire pressure | Rim size | Wheel fastener | Center bore | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| LT245/75 R16 | Front: 3.4 bar Rear: 5.2 bar |
6.5Jx16 ET28 | Nuts: 8 x 165.1 (PCD) | 116.7 mm | ||||||||
| LT245/75 R17 | Front: 3.4 bar Rear: 5.2 bar |
7Jx17 ET28 | Nuts: 8 x 165.1 (PCD) | 116.7 mm | ||||||||
| LT245/75 R17 | Front: 3.4 bar Rear: 5.2 bar |
7Jx17 ET50 | Nuts: 8 x 180 (PCD) | 124.1 mm | ||||||||
| LT265/70 R17 | Front: 3.4 bar Rear: 5.2 bar |
7.5Jx17 ET28 | Nuts: 8 x 165.1 (PCD) | 116.7 mm | ||||||||
| LT265/70 R17 | Front: 3.4 bar Rear: 5.2 bar |
7.5Jx17 ET44 | Nuts: 8 x 180 (PCD) | 124.1 mm | ||||||||
| LT265/65 R18 | Front: 3.4 bar Rear: 5.2 bar |
8Jx18 ET24 | Nuts: 8 x 165.1 (PCD) | 116.7 mm | ||||||||
| LT265/70 R18 | Front: 3.4 bar Rear: 5.2 bar |
8Jx18 ET44 | Nuts: 8 x 180 (PCD) | 124.1 mm | ||||||||
| 265/60 R20 | 8Jx20 ET24 | Nuts: 8 x 165.1 (PCD) | 116.7 mm | |||||||||
| 275/55 R20 | 8.5Jx20 ET20 | Nuts: 8 x 165.1 (PCD) | 116.7 mm | |||||||||
| 275/55 R20 | 8.5Jx20 ET40 | Nuts: 8 x 180 (PCD) | 124.1 mm | |||||||||
| 285/50 R20 | 9Jx20 ET20 | Nuts: 8 x 165.1 (PCD) | 116.7 mm | |||||||||
| 285/50 R20 | 9Jx20 ET35 | Nuts: 8 x 180 (PCD) | 124.1 mm | |||||||||
| LT265/60 R20 | Front: 3.4 bar Rear: 5.2 bar |
8.5Jx20 ET44 | Nuts: 8 x 180 (PCD) | 124.1 mm | ||||||||
| 285/45 R22 | 9Jx22 ET35 | Nuts: 8 x 180 (PCD) | 124.1 mm | |||||||||
| More sizes | ||||||||||||
Sierra 3500HD GMT800 (1999-2006)
| Tire size | Tire pressure | Rim size | Wheel fastener | Center bore |
|---|---|---|---|---|
| LT215/85 R16 | 6.5Jx16 ET25 | Nuts: 8 x 165.1 (PCD) | 116.7 mm | |
| LT225/75 R16 | 6.5Jx16 ET25 | Nuts: 8 x 165.1 (PCD) | 116.7 mm | |
| LT245/75 R16 | 6.5Jx16 ET28 | Nuts: 8 x 165.1 (PCD) | 116.7 mm | |
| LT265/75 R16 | 7Jx16 ET31 | Nuts: 8 x 165.1 (PCD) | 116.7 mm |
Sierra 2500HD GMT800 (1999-2006)
| Tire size | Tire pressure | Rim size | Wheel fastener | Center bore |
|---|---|---|---|---|
| LT245/75 R16 | 6.5Jx16 ET25 | Nuts: 8 x 165.1 (PCD) | 116.7 mm | |
| LT245/75 R16 | 7Jx16 ET31 | Nuts: 8 x 165.1 (PCD) | 116.7 mm |
