Buick GSX tire size
Original tire sizes for the Buick GSX, model years 1970 and 1971. Trim levels and wheel packages change the size within the same year, so confirm on the door-jamb sticker before ordering.
Check before you order. The surest answer is the tires on the car right now: the size is molded into the sidewall. The placard inside the driver's door tells you what the factory fitted. Our guide on reading a tire size shows exactly where to look.
Size by year and trim
| Model years | Trim or package | Tire size | From |
|---|---|---|---|
| 1970-1971 | G60-15 equivalent | 275/60R15 | $140 |
Tire size by model year
| Model year | Tire size | Trim or package | From |
|---|---|---|---|
| 1971 Buick GSX | 275/60R15 | G60-15 equivalent | $140 |
| 1970 Buick GSX | 275/60R15 | G60-15 equivalent | $140 |
Which brand should you pick?
Buick does not stamp its own approval code on tires the way Porsche or BMW do. Any tire in the right size that meets or exceeds the load index and speed rating on your door placard is a legitimate replacement, so pick on wet braking, tread life and price. Our picks for each size are on the size pages below.
Every US car built since 2003 carries this placard. It also gives the pressures, which the sidewall does not: the number molded into the tire is the maximum it can hold, not what your car wants.
What those tires cost
Buick GSX tires: common questions
What size tires does a Buick GSX take?
The most common original size is 275/60R15. Other model years and trims use different sizes, so check the list on this page and confirm against the sticker inside your driver's door.
Can I fit a different size on my Buick GSX?
You can, within limits: the overall diameter should stay within about 3 percent of the original, and the load index and speed rating must meet or exceed the door placard. Anything further changes your speedometer reading and can rub at full lock.
Where is the tire size on a Buick GSX?
Open the driver's door and look at the white and yellow placard on the door jamb or the B-pillar. The same size is also molded into the sidewall of the tires currently on the car, unless someone changed them.
What size tires does a 1971 Buick GSX take?
The 1971 Buick GSX came from the factory on 275/60R15. Wheel packages can change that within the same model year, so check the placard inside the door jamb before you order.
What size tires does a 1970 Buick GSX take?
The 1970 Buick GSX came from the factory on 275/60R15. Wheel packages can change that within the same model year, so check the placard inside the door jamb before you order.