1985 Buick Somerset Regal Tire Size & Pressure
The 1985 Buick Somerset Regal tire size depends on trim: the Base, 2.5 U, Automatic takes P185/80R13; the Base, 2.5 U, Standard takes P185/80R13; the Base, 3.0 L takes P185/80R13; the Limited, 2.5 U, Automatic takes P205/70R13; the Limited, 2.5 U, Standard takes P205/70R13; the Limited, 3.0 L takes P205/70R13, per the factory service manual.
- Base, 2.5 U, Automatic: P185/80R13
- Base, 2.5 U, Standard: P185/80R13
- Base, 3.0 L: P185/80R13
- Limited, 2.5 U, Automatic: P205/70R13
- Limited, 2.5 U, Standard: P205/70R13
- Limited, 3.0 L: P205/70R13
Base, 2.5 U, Automatic
Tire Specifications
| Position | Tire Size | Pressure | Load Index | Speed Rating |
|---|---|---|---|---|
| All | P185/80R13 | Door Placard | — | — |
Base, 2.5 U, Standard
Tire Specifications
| Position | Tire Size | Pressure | Load Index | Speed Rating |
|---|---|---|---|---|
| All | P185/80R13 | Door Placard | — | — |
Base, 3.0 L
Tire Specifications
| Position | Tire Size | Pressure | Load Index | Speed Rating |
|---|---|---|---|---|
| All | P185/80R13 | Door Placard | — | — |
Limited, 2.5 U, Automatic
Tire Specifications
| Position | Tire Size | Pressure | Load Index | Speed Rating |
|---|---|---|---|---|
| All | P205/70R13 | Door Placard | — | — |
Limited, 2.5 U, Standard
Tire Specifications
| Position | Tire Size | Pressure | Load Index | Speed Rating |
|---|---|---|---|---|
| All | P205/70R13 | Door Placard | — | — |
Limited, 3.0 L
Tire Specifications
| Position | Tire Size | Pressure | Load Index | Speed Rating |
|---|---|---|---|---|
| All | P205/70R13 | Door Placard | — | — |
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More Somerset Regal Specs & Repair Guides
1985 Buick Somerset Regal Factory Service Manual1985 Buick Somerset Regal Oil Type & CapacityPowered by factory manual data from our partner sites AllOEMManuals.com & WhatTypeOfOil.com.
Frequently Asked Questions
What size tires does a 1985 Buick Somerset Regal take?
It depends on the trim: Base, 2.5 U, Automatic uses P185/80R13; Base, 2.5 U, Standard uses P185/80R13; Base, 3.0 L uses P185/80R13; Limited, 2.5 U, Automatic uses P205/70R13; Limited, 2.5 U, Standard uses P205/70R13; Limited, 3.0 L uses P205/70R13.
What is the tire pressure for a 1985 Buick Somerset Regal?
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 1985 Buick Somerset Regal?
Bolt pattern data is available in the factory service manual.