1998 Pontiac Grand Prix Tire Size & Pressure
The 1998 Pontiac Grand Prix tire size depends on trim: the GT, 2D Coupe takes P205/70R15 95S; the GT, 4D Sedan takes P205/70R15 95S; the GTP, 2D Coupe takes P225/60R16 97S; the GTP, 4D Sedan takes P225/60R16 97S; the SE, 3.1 M takes P205/70R15 95S; the SE, 3.8 K takes P205/70R15 95S, per the factory service manual.
- GT, 2D Coupe: P205/70R15 95S
- GT, 4D Sedan: P205/70R15 95S
- GTP, 2D Coupe: P225/60R16 97S
- GTP, 4D Sedan: P225/60R16 97S
- SE, 3.1 M: P205/70R15 95S
- SE, 3.8 K: P205/70R15 95S
GT, 2D Coupe
Tire Specifications
| Position | Tire Size | Pressure | Load Index | Speed Rating |
|---|---|---|---|---|
| All | P205/70R15 95S | Door Placard | — | — |
GT, 4D Sedan
Tire Specifications
| Position | Tire Size | Pressure | Load Index | Speed Rating |
|---|---|---|---|---|
| All | P205/70R15 95S | Door Placard | — | — |
GTP, 2D Coupe
Tire Specifications
| Position | Tire Size | Pressure | Load Index | Speed Rating |
|---|---|---|---|---|
| All | P225/60R16 97S | Door Placard | — | — |
GTP, 4D Sedan
Tire Specifications
| Position | Tire Size | Pressure | Load Index | Speed Rating |
|---|---|---|---|---|
| All | P225/60R16 97S | Door Placard | — | — |
SE, 3.1 M
Tire Specifications
| Position | Tire Size | Pressure | Load Index | Speed Rating |
|---|---|---|---|---|
| All | P205/70R15 95S | Door Placard | — | — |
SE, 3.8 K
Tire Specifications
| Position | Tire Size | Pressure | Load Index | Speed Rating |
|---|---|---|---|---|
| All | P205/70R15 95S | Door Placard | — | — |
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More Grand Prix Specs & Repair Guides
1998 Pontiac Grand Prix Factory Service Manual1998 Pontiac Grand Prix Oil Type & CapacityPowered by factory manual data from our partner sites AllOEMManuals.com & WhatTypeOfOil.com.
Frequently Asked Questions
What size tires does a 1998 Pontiac Grand Prix take?
It depends on the trim: GT, 2D Coupe uses P205/70R15 95S; GT, 4D Sedan uses P205/70R15 95S; GTP, 2D Coupe uses P225/60R16 97S; GTP, 4D Sedan uses P225/60R16 97S; SE, 3.1 M uses P205/70R15 95S; SE, 3.8 K uses P205/70R15 95S.
What is the tire pressure for a 1998 Pontiac Grand Prix?
Refer to the tire pressure placard on your vehicle's driver side door jamb for exact cold inflation pressures.
What is the bolt pattern on a 1998 Pontiac Grand Prix?
Bolt pattern data is available in the factory service manual.