1991 Pontiac Trans Sport Tire Size & Pressure
The 1991 Pontiac Trans Sport tire size depends on trim: the Base, 125C/MD9 takes P205/70R14; the Base, 3T40/MD9 takes P205/70R14, per the factory service manual.
Factory-Spec Tire Size
Varies by trim
- Base, 125C/MD9: P205/70R14
- Base, 3T40/MD9: P205/70R14
Base, 125C/MD9
Tire Specifications
| Position | Tire Size | Pressure | Load Index | Speed Rating |
|---|---|---|---|---|
| All | P205/70R14 | Door Placard | — | — |
| All | P205/65R15 | Door Placard | — | — |
Base, 3T40/MD9
Tire Specifications
| Position | Tire Size | Pressure | Load Index | Speed Rating |
|---|---|---|---|---|
| All | P205/70R14 | Door Placard | — | — |
| All | P205/65R15 | Door Placard | — | — |
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More Trans Sport Specs & Repair Guides
1991 Pontiac Trans Sport Factory Service Manual1991 Pontiac Trans Sport Oil Type & CapacityPowered by factory manual data from our partner sites AllOEMManuals.com & WhatTypeOfOil.com.
Frequently Asked Questions
What size tires does a 1991 Pontiac Trans Sport take?
It depends on the trim: Base, 125C/MD9 uses P205/70R14; Base, 3T40/MD9 uses P205/70R14.
What is the tire pressure for a 1991 Pontiac Trans Sport?
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 1991 Pontiac Trans Sport?
Bolt pattern data is available in the factory service manual.
Other Pontiac Trans Sport Years
1998 Trans Sport1997 Trans Sport1996 Trans Sport1995 Trans Sport1994 Trans Sport1993 Trans Sport1992 Trans Sport1990 Trans Sport