2020 GMC Sierra 1500 Wheel Sizes

6x139.7
Bolt pattern

Bolt patterns6x139.7
Wheel diameters17", 18", 20", 22", 19", 21", 16", 23"
Center bore78.1 mm on stored rows
ThreadM14 x 1.5
ReadingEvery stored wheel row uses 6x139.7.

Catalog dataManufacturer figures stored on configuration rows

Bolt pattern

6x139.7

Center bore

78.1 mm

Thread

M14 x 1.5

Trim	Position	Wheel	Offset	Backspacing	Tire	Bolt	Bore	Thread
2.7 Turbo	Front	8×17	24 mm	4.94 in	255/70R17	6x139.7	78.1 mm	M14 x 1.5
2.7 Turbo	Front	8×17	24 mm	4.94 in	265/70R17	6x139.7	78.1 mm	M14 x 1.5
2.7 Turbo	Front	8.5×18	26 mm	5.27 in	265/65R18	6x139.7	78.1 mm	M14 x 1.5
2.7 Turbo	Front	8.5×18	26 mm	5.27 in	275/65R18	6x139.7	78.1 mm	M14 x 1.5
2.7 Turbo	Front	9×20	28 mm	5.6 in	275/60R20	6x139.7	78.1 mm	M14 x 1.5
2.7 Turbo	Front	9×22	28 mm	5.6 in	275/50R22	6x139.7	78.1 mm	M14 x 1.5
3.0 TD	Front	8×17	24 mm	4.94 in	255/70R17	6x139.7	78.1 mm	M14 x 1.5
3.0 TD	Front	8×17	24 mm	4.94 in	265/70R17	6x139.7	78.1 mm	M14 x 1.5
3.0 TD	Front	8.5×18	26 mm	5.27 in	265/65R18	6x139.7	78.1 mm	M14 x 1.5
3.0 TD	Front	8.5×18	26 mm	5.27 in	275/65R18	6x139.7	78.1 mm	M14 x 1.5
3.0 TD	Front	9×20	28 mm	5.6 in	275/60R20	6x139.7	78.1 mm	M14 x 1.5
3.0 TD	Front	9×22	28 mm	5.6 in	275/50R22	6x139.7	78.1 mm	M14 x 1.5
4.3i	Front	8×17	34 mm	5.34 in	275/60R17	6x139.7	78.1 mm	M14 x 1.5
4.3i	Front	9×18	34 mm	5.84 in	275/80R18	6x139.7	78.1 mm	M14 x 1.5
4.3i	Front	9.5×18	31 mm	5.97 in	255/65R18	6x139.7	78.1 mm	M14 x 1.5
4.3i	Front	8×17	36 mm	5.42 in	265/55R17	6x139.7	78.1 mm	M14 x 1.5
4.3i	Front	10×20	28 mm	6.1 in	255/70R20	6x139.7	78.1 mm	M14 x 1.5
4.3i	Front	9.5×22	28 mm	5.85 in	285/40R22	6x139.7	78.1 mm	M14 x 1.5
5.3i	Front	8×17	29 mm	5.14 in	235/60R17	6x139.7	78.1 mm	M14 x 1.5
5.3i	Front	7×18	14 mm	4.05 in	265/80R18	6x139.7	78.1 mm	M14 x 1.5
5.3i	Front	8×19	26 mm	5.02 in	265/55R19	6x139.7	78.1 mm	M14 x 1.5
5.3i	Front	9.5×19	31 mm	5.97 in	275/55R19	6x139.7	78.1 mm	M14 x 1.5
5.3i	Front	9×19	18 mm	5.21 in	275/50R19	6x139.7	78.1 mm	M14 x 1.5
5.3i	Front	9×21	28 mm	5.6 in	285/50R21	6x139.7	78.1 mm	M14 x 1.5
6.2i	Front	8×17	34 mm	5.34 in	255/80R17	6x139.7	78.1 mm	M14 x 1.5
6.2i	Front	9×16	24 mm	5.44 in	285/60R16	6x139.7	78.1 mm	M14 x 1.5
6.2i	Front	8.5×17	16 mm	4.88 in	245/55R17	6x139.7	78.1 mm	M14 x 1.5
6.2i	Front	9×19	26 mm	5.52 in	255/75R19	6x139.7	78.1 mm	M14 x 1.5
6.2i	Front	9.5×19	38 mm	6.25 in	295/60R19	6x139.7	78.1 mm	M14 x 1.5
6.2i	Front	8×23	18 mm	4.71 in	295/50R23	6x139.7	78.1 mm	M14 x 1.5

Check a wheel

Questions

What bolt pattern does a 2020 GMC Sierra 1500 use?: 6x139.7
Do all configurations use the same bolt pattern?: Yes, on stored wheel rows.
What OEM wheel sizes are stored?: 8×17, 8.5×18, 9×20, 9×22, 9×18, 9.5×18, 10×20, 9.5×22, 7×18, 8×19, 9.5×19, 9×19, 9×21, 9×16, 8.5×17, 8×23

Values vary by configuration. Confirm the door jamb and owner’s manual for the vehicle you have.