GMC Sierra 1500 GMT400
1988–1998 2 trimsSierra 1500 2WD N/A · V6 225/75R15 111S 6 fitments
- Generation
- GMT400 · 1988–1998
- Power
- N/A
- Engine
- V6, Petrol
- Center bore
- 78.3 mm
- Bolt pattern
- 5x127
- Thread
- M14 x 1.5
| Tire size | Rim size and bolt pattern | Pressure, psi |
|---|---|---|
| 225/75R15 111S | Rim 15x6.5 ET43 5x127 | 35 psi |
| 235/75R15 111S | Rim 15x7 ET38 5x127 | 32 psi |
| 235/70R16 111S | Rim 16x7 ET38 5x127 | 32 psi |
| 255/65R16 110T | Rim 16x7.5 ET35 5x127 | 30 psi |
| 255/60R17 110T | Rim 17x7.5 ET35 5x127 | 30 psi |
| 255/55R18 108H | Rim 18x8 ET30 5x127 | 29 psi |
How to read 111S: 111 is the load index (up to 2,403 lb / 1,090 kg per tire) and S the speed rating (up to 112 mph / 180 km/h). ET43 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres. Compare offsets in the wheel offset calculator.
Sierra 1500 4WD N/A · V6 255/70R16 111S 5 fitments
- Generation
- GMT400 · 1988–1998
- Power
- N/A
- Engine
- V6, Petrol
- Center bore
- 78.3 mm
- Bolt pattern
- 6x139.7
- Thread
- M14 x 1.5
| Tire size | Rim size and bolt pattern | Pressure, psi |
|---|---|---|
| 255/70R16 111S | Rim 16x7 ET31 6x139.7 | 35 psi |
| 255/65R17 110T | Rim 17x7.5 ET25 6x139.7 | 35 psi |
| 255/60R18 110T | Rim 18x7.5 ET25 6x139.7 | 35 psi |
| 275/55R18 108H | Rim 18x8.5 ET25 6x139.7 | 36 psi |
| 285/45R20 106V | Rim 20x9 ET20 6x139.7 | 38 psi |
How to read 111S: 111 is the load index (up to 2,403 lb / 1,090 kg per tire) and S the speed rating (up to 112 mph / 180 km/h). ET31 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres.