2021 GMC Sierra 1500 Lifted (6 inch) Wheel & Tire Sizes
Complete fitment guide for the 2021 GMC Sierra 1500 Lifted (6 inch): factory tire sizes, compatible wheel diameters, widths and offsets, and the 6x139.7 bolt pattern, for every trim.
Bolt Pattern
6x139.7
Centre Bore
78.1 mm
Lug nuts
M14 x 1.5
Torque: 190 Nm
Wheel Diameters
17"–26"
Factory (OEM) Tire Sizes for the 2021 GMC Sierra 1500 Lifted (6 inch)
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2021 GMC Sierra 1500 Lifted (6 inch) Wheel Fitment by Trim
Compatible wheel diameter, width and offset ranges for each 2021 GMC Sierra 1500 Lifted (6 inch) configuration.
2.7 Turbo · Pickup Regular Cab, 2d
2.7L · I4 · Petrol
| Spec | Front & Rear |
|---|---|
| Wheel diameter | 17–26" |
| Wheel width | 8–14" |
| Wheel offset | -76–20 mm |
| Tire width | 255–355 mm |
3.0 TD · Pickup Regular Cab, 2d
3L · I6 · Diesel
| Spec | Front & Rear |
|---|---|
| Wheel diameter | 17–26" |
| Wheel width | 8–14" |
| Wheel offset | -76–20 mm |
| Tire width | 255–355 mm |
4.3i · Pickup Regular Cab, 2d
4.3L · V6 · Petrol
| Spec | Front & Rear |
|---|---|
| Wheel diameter | 17–26" |
| Wheel width | 8–14" |
| Wheel offset | -76–20 mm |
| Tire width | 255–355 mm |
5.3i · Pickup Regular Cab, 2d
5.3L · V8 · Petrol
| Spec | Front & Rear |
|---|---|
| Wheel diameter | 17–26" |
| Wheel width | 8–14" |
| Wheel offset | -76–20 mm |
| Tire width | 255–355 mm |
6.2i · Pickup Regular Cab, 2d
6.2L · V8 · Petrol
| Spec | Front & Rear |
|---|---|
| Wheel diameter | 17–26" |
| Wheel width | 8–14" |
| Wheel offset | -76–20 mm |
| Tire width | 255–355 mm |
2021 GMC Sierra 1500 Lifted (6 inch) Fitment FAQ
What is the bolt pattern on a 2021 GMC Sierra 1500 Lifted (6 inch)?
The 2021 GMC Sierra 1500 Lifted (6 inch) uses a 6x139.7 bolt pattern (6 lug nuts on a 139.7 mm circle) with a 78.1 mm centre bore.
What size tires fit a 2021 GMC Sierra 1500 Lifted (6 inch)?
Factory (OEM) tire sizes for the 2021 GMC Sierra 1500 Lifted (6 inch) include 255/70R17, LT265/70R17, 265/70R17, 265/65R18, 275/65R18, 275/60R20, 275/50R22. Always confirm against the placard inside the driver's door jamb.
What wheel sizes can I put on a 2021 GMC Sierra 1500 Lifted (6 inch)?
Depending on trim, the 2021 GMC Sierra 1500 Lifted (6 inch) accepts wheels from 17" up to 26" in diameter with the correct width and offset, larger diameters typically require lower-profile tires to keep the overall rolling diameter stock.
What lug nut size does a 2021 GMC Sierra 1500 Lifted (6 inch) use?
The 2021 GMC Sierra 1500 Lifted (6 inch) uses M14 x 1.5 lug nuts, torqued to 190 Nm.
Fitment data is provided as a guide. Always verify sizes against your vehicle's door-jamb placard or with our fitment experts before ordering.