Sizes of Tires and Rims for the GMC


Sonoma GMT400 (1994-2004)

Tire size Tire pressure Rim size Wheel fastener Center bore
205/75 R15 2.3 bar 6Jx15 ET25 Nuts: 5 x 120.65 (PCD) 70.3 mm

Sonoma GMT325 (1982-1993)

Tire size Tire pressure Rim size Wheel fastener Center bore
195/75 R14 5.5Jx14 ET28 Nuts: 5 x 120.65 (PCD) 70.3 mm
205/75 R14 6Jx14 ET25 Nuts: 5 x 120.65 (PCD) 70.3 mm

Sonoma GMT400 (1994-2004)

Tire size
205/75 R15
Tire pressure
2.3 bar
Rim size
6Jx15 ET25
Wheel fastener
Nuts: 5 x 120.65 (PCD)
Center bore
70.3 mm

Sonoma GMT325 (1982-1993)

Tire size
195/75 R14
Rim size
5.5Jx14 ET28
Wheel fastener
Nuts: 5 x 120.65 (PCD)
Center bore
70.3 mm
Tire size
205/75 R14
Rim size
6Jx14 ET25
Wheel fastener
Nuts: 5 x 120.65 (PCD)
Center bore
70.3 mm