1999 Pontiac Grand Prix Tire Size & Wheel Specs
The 1999 Pontiac Grand Prix OEM tire size, bolt pattern, and wheel specifications are listed below. All data is based on industry-standard OEM reference specifications.
1999 Pontiac Grand Prix Engine & Trim Levels
GTP
Bolt Pattern5x115
Center Bore70.3
Stud SizeM 12x1.5
OEM Wheel & Tire Specs
Frequently Asked Questions
What tire size does the 1999 Pontiac Grand Prix GTP use?
The 1999 Pontiac Grand Prix GTP uses 225/60R16 tires as standard equipment.
What is the bolt pattern of the 1999 Pontiac Grand Prix?
The 1999 Pontiac Grand Prix has a 5x115 bolt pattern with a center bore of 70.3mm.
What is the wheel offset of the 1999 Pontiac Grand Prix?
The 1999 Pontiac Grand Prix has a wheel offset of ET42.
Other Vehicles with 5x115 Bolt Pattern
The following vehicles share the same 5x115 bolt pattern as the 1999 Pontiac Grand Prix, making wheel interchangeability possible (verify offset and center bore before swapping).