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1991 Pontiac Grand Am Wheel fitment guide Find out what wheels and tires fit 1991 Pontiac Grand Am

Pontiac
Please select the 1991 Pontiac Grand Am vehicle modifications below and check tables to get wheel size, tire size, bolt pattern (PCD), rim offset and other wheel fitment parameters. If necessary, you can filter them by sales distribution region.

Pontiac Grand Am N-body [1985 .. 1991]

Generation
Filter by region:
USA+ USDM

1991 Pontiac Grand Am N-body [1985 .. 1991] - Modifications

Pontiac Grand Am N-body [1985 .. 1991] 2.3i

161 hp
USDM
  • Generation: N-body [1985 .. 1991] [USDM]
  • Production: [1990 .. 1991]
  • Sales regions: USA+
  • Power: 161 hp | 120 kW | 163 PS
  • Engine: , Petrol
  • Center Bore / Hub Bore:
  • Bolt Pattern (PCD):
  • Wheel Fasteners: Lug nuts
  • Thread Size:
  • Wheel Tightening Torque:
    unknown
Tire   Rim   Offset Range mm Backspacing mm inches Tire Weight kg lb
OE 185/80SR13 5.5Jx13 ET38 36 - 40 121 4.76 10.3 22.8
205/70SR13 5.5Jx13 ET42 125 4.92 10.7 23.5
215/60HR14 6Jx14 ET42 131 5.16 10.4 22.9

Pontiac Grand Am N-body [1985 .. 1991] 2.3i SE

174 hp
USDM
  • Generation: N-body [1985 .. 1991] [USDM]
  • Production: [1989 .. 1991]
  • Sales regions: USA+
  • Power: 174 hp | 130 kW | 177 PS
  • Engine: , Petrol
  • Center Bore / Hub Bore:
  • Bolt Pattern (PCD):
  • Wheel Fasteners: Lug nuts
  • Thread Size:
  • Wheel Tightening Torque:
    unknown
Tire   Rim   Offset Range mm Backspacing mm inches Tire Weight kg lb Tire Pressure (front / rear) bar psi
OE 215/60HR14 6Jx14 ET42 40 - 44 131 5.16 10.4 22.9 2.2 32
205/60HR15 6Jx15 ET42 131 5.16 10.3 22.6 2.2 32
215/50VR16 6.5Jx16 ET40 135 5.31 10.0 22.0 2.3 33

Pontiac Grand Am N-body [1985 .. 1991] 2.5i

110 hp
USDM
  • Generation: N-body [1985 .. 1991] [USDM]
  • Production: [1989 .. 1991]
  • Sales regions: USA+
  • Power: 110 hp | 82 kW | 111 PS
  • Engine: , Petrol
  • Center Bore / Hub Bore:
  • Bolt Pattern (PCD):
  • Wheel Fasteners: Lug nuts
  • Thread Size:
  • Wheel Tightening Torque:
    unknown
Tire   Rim   Offset Range mm Backspacing mm inches Tire Weight kg lb Tire Pressure (front / rear) bar psi
OE 36 - 40 121 4.76 10.3 22.8 2.0 29
125 4.92 10.7 23.5 2.0 29
131 5.16 10.4 22.9 2.2 32

See Pontiac Grand Am wheel fitment information for other model years:
2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995 1994 1993 1992 1991 1990 1989 1988 1987 1986 1985 1980 1979 1978 1975 1974 1973 1972
Page update: Jan. 17, 2023, 6:03 a.m.
Tire Glossary
Tire terms you can see on this page

The size of the hole in the center of a wheel is known as the center bore or centerbore.

- Recommended for winter
- Run-flat tires
- Link comes to the calculator page for comparison
- Steel wheels
OE - Original Equipment
- Tire Pressure
- Front axle
- Rear axle

Offset is the distance in millimetres from the centre line of the wheel to the wheel’s mounting face. Given that the mounting face can be either in front of or behind the centreline, the offset can be either neutral, positive or negative.

Wheel backspace is the distance from a wheel's mounting surface to the back edge of the wheel.

The Pitch Circle Diameter (PCD) is the diameter of the circle which passes through the centre of all the studs, wheel bolts or wheel rim holes

hp - Mechanical horsepower
kW - Kilowatts
PS - Metric horsepower

Tire pressure is a vehicle's recommended cold tire inflation pressure. It is measured in bars or PSI (pounds per square inch).

A sales region is a global automotive region in which a vehicle was officially sold or is still being sold.

Ex.: 7J x 15 Rim width (inches) x rim diameter (inches)

ISO standard Ex.: M12 x 1.25 Nominal diameter (mm) x pitch (mm)

UN-series Ex.: 9/16" - 18 UNF Thread size (in) - thread pitch
UNF - Unified National Fine Thread

Example: 215/55 R16 91 T

215 is the tire width in mm
55 is the ratio of profile height to width or simply 'profile'. With the same width, the larger this indicator, the higher the tire will be and vice versa
16 - diameter of the wheel (disk) in inches. (It is the diameter, not the radius!). This is the inner size of the tire or the outer size of the rim
91 - load index. This is the level of maximum permissible load on one wheel
T - tire speed index

The method of attaching a wheel to a hub: wheel nuts or wheel bolts

The torque value specified by the manufacturer for wheel bolts or wheel nuts, which is to be set when tightening on the torque tool (torque setting). A rotational force given in Newton metres (Nm) or foot-pounds (ft-lbs), wheel torque measures lug nut / bolts tightness

The tires included with a new vehicle when it is purchased. OE tires are specifically chosen by the vehicle manufacturer to make the most of the vehicle's performance characteristics.