GMC Sierra 1500 4.3i GMTT1 2020 - Specs of wheel sizes, PCD, Offset and Rims
Standard wheel sizes for GMC Sierra 1500 4.3i GMTT1 2020
GMC Sierra 1500 4.3i GMTT1 2020.
Table of standard and suitable rim sizes for GMC Sierra 1500 4.3i GMTT1 2020.
Not all wheels will fit all cars!
Understand wheel diameter, width, offset, bolt fitment and centre bore before shopping for wheels.
Bolt pattern parameters are usually called PCD:
- LZ (Bolt holes, Lugs)
- PCD (Bolt Pattern or Bolt Fitment)
- ET (Wheel offset)
- DIA (Central bore)
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| Make / model / modification | Year | Wheel marking | Wheel width | RIM diameter | Bolt pattern LZ*PCD | Offset (ET) | Center Bore DIA | OEM or Alternate |
|---|---|---|---|---|---|---|---|---|
| GMC Sierra 1500 4.3i GMTT1 | 2020 | 8Jx17 6/139.7 ET24 d78.1 | 8 | 17 | 6X139.7 | 24 | 78.1 | OEM wheels |
| GMC Sierra 1500 4.3i GMTT1 | 8.5Jx18 6/139.7 ET26 d78.1 | 8.5 | 18 | 6X139.7 | 26 | 78.1 | Replacement | |
| GMC Sierra 1500 4.3i GMTT1 | 9Jx20 6/139.7 ET28 d78.1 | 9 | 20 | 6X139.7 | 28 | 78.1 | Replacement | |
| GMC Sierra 1500 4.3i GMTT1 | 9Jx22 6/139.7 ET28 d78.1 | 9 | 22 | 6X139.7 | 28 | 78.1 | Replacement |