Pontiac Grand Am bolt pattern

1978–1980 · Pattern 5x120.65

The Pontiac Grand Am (1978–1980) uses a 5x120.65 bolt pattern with 5 lugs spaced 120.65mm apart.

1999–2005 1985–1998 1978–1980 1972–1975
Bolt pattern summary

Pattern: 5x120.65

Pattern (imperial): 5x4.75"

Year range: 1978–1980

120.65 mm 5x120.65

Illustration is not to scale. Bolt circle diameter: 120.65 mm.

Available variants
Years Pattern
1999–2005 5x115
1985–1998 5x100
1978–1980 5x120.65 Current
1972–1975 5x120.65

Other vehicles with 5x120.65

126 vehicles share the 5x120.65 bolt pattern, across 13 car brands. See the full 5x120.65 cross reference.

Make Model
Pontiac Bonneville 1977–1986
Chevrolet Bel Air 1955–1970
Aston Martin AMV8 1975–1989
Jaguar E-Type 1961–1975
Cadillac CTS (Gen 2) 08–13
Oldsmobile Bravada 1991–1994
Buick Grand National 1981–1987
GMC Envoy 1998–2000
Lamborghini Diablo 1990–2001
Mosler MT900 2001–2005