Sizes of Tires and Rims for the Pontiac GTO


GTO V-body (2004-2006)

Tire size Tire pressure Rim size Wheel fastener Center bore
245/45 ZR17 2.1 bar 8JJx17 ET48 Nuts: 5 x 120 (PCD) 69.5 mm
235/40 ZR18 2.3 bar 8JJx18 ET48 Nuts: 5 x 120 (PCD) 69.5 mm

GTO X-body (1974-1974)

Tire size Tire pressure Rim size Wheel fastener Center bore
205/75 SR14 6Jx14 ET8 Nuts: 5 x 120.65 (PCD) 70.3 mm
225/70 R14 7Jx14 ET12 Nuts: 5 x 120.65 (PCD) 70.3 mm
225/65 HR15 7Jx15 ET12 Nuts: 5 x 120.65 (PCD) 70.3 mm

GTO A-body (1968-1973)

Tire size Tire pressure Rim size Wheel fastener Center bore
195S R14 6Jx14 ET8 Nuts: 5 x 120.65 (PCD) 70.3 mm
205/75 SR14 7Jx14 ET12 Nuts: 5 x 120.65 (PCD) 70.3 mm
225/60 HR15 7Jx15 ET12 Nuts: 5 x 120.65 (PCD) 70.3 mm
235/60 HR15 7Jx15 ET0 Nuts: 5 x 120.65 (PCD) 70.3 mm

GTO A-body (1964-1967)

Tire size Tire pressure Rim size Wheel fastener Center bore
195S R14 6Jx14 ET8 Nuts: 5 x 120.65 (PCD) 70.3 mm
205/75 SR14 6Jx14 ET8 Nuts: 5 x 120.65 (PCD) 70.3 mm
225/60 HR15 7Jx15 ET12 Nuts: 5 x 120.65 (PCD) 70.3 mm
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