Chevrolet K5 Blazer tire size
Original tire sizes for the Chevrolet K5 Blazer, model years 1973 through 1991. 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, which can differ from what a previous owner put on. 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 |
|---|---|---|---|
| 1973-1991 | Stock size | 235/75R15 | $95 |
| 1973-1991 | Common upsize | 31x10.50R15 | $120 |
| 1973-1991 | Lifted | 35x12.50R15 | $170 |
Tire size by model year
| Model year | Tire size | Trim or package | From |
|---|---|---|---|
| 1991 Chevrolet K5 Blazer | 235/75R15, 31x10.50R15, 35x12.50R15 | Stock size, Common upsize or Lifted | $95 |
| 1990 Chevrolet K5 Blazer | 235/75R15, 31x10.50R15, 35x12.50R15 | Stock size, Common upsize or Lifted | $95 |
| 1989 Chevrolet K5 Blazer | 235/75R15, 31x10.50R15, 35x12.50R15 | Stock size, Common upsize or Lifted | $95 |
| 1988 Chevrolet K5 Blazer | 235/75R15, 31x10.50R15, 35x12.50R15 | Stock size, Common upsize or Lifted | $95 |
| 1987 Chevrolet K5 Blazer | 235/75R15, 31x10.50R15, 35x12.50R15 | Stock size, Common upsize or Lifted | $95 |
| 1986 Chevrolet K5 Blazer | 235/75R15, 31x10.50R15, 35x12.50R15 | Stock size, Common upsize or Lifted | $95 |
| 1985 Chevrolet K5 Blazer | 235/75R15, 31x10.50R15, 35x12.50R15 | Stock size, Common upsize or Lifted | $95 |
| 1984 Chevrolet K5 Blazer | 235/75R15, 31x10.50R15, 35x12.50R15 | Stock size, Common upsize or Lifted | $95 |
| 1983 Chevrolet K5 Blazer | 235/75R15, 31x10.50R15, 35x12.50R15 | Stock size, Common upsize or Lifted | $95 |
| 1982 Chevrolet K5 Blazer | 235/75R15, 31x10.50R15, 35x12.50R15 | Stock size, Common upsize or Lifted | $95 |
| 1981 Chevrolet K5 Blazer | 235/75R15, 31x10.50R15, 35x12.50R15 | Stock size, Common upsize or Lifted | $95 |
| 1980 Chevrolet K5 Blazer | 235/75R15, 31x10.50R15, 35x12.50R15 | Stock size, Common upsize or Lifted | $95 |
Show the remaining 7 model years
| Model year | Tire size | Trim or package | From |
|---|---|---|---|
| 1979 Chevrolet K5 Blazer | 235/75R15, 31x10.50R15, 35x12.50R15 | Stock size, Common upsize or Lifted | $95 |
| 1978 Chevrolet K5 Blazer | 235/75R15, 31x10.50R15, 35x12.50R15 | Stock size, Common upsize or Lifted | $95 |
| 1977 Chevrolet K5 Blazer | 235/75R15, 31x10.50R15, 35x12.50R15 | Stock size, Common upsize or Lifted | $95 |
| 1976 Chevrolet K5 Blazer | 235/75R15, 31x10.50R15, 35x12.50R15 | Stock size, Common upsize or Lifted | $95 |
| 1975 Chevrolet K5 Blazer | 235/75R15, 31x10.50R15, 35x12.50R15 | Stock size, Common upsize or Lifted | $95 |
| 1974 Chevrolet K5 Blazer | 235/75R15, 31x10.50R15, 35x12.50R15 | Stock size, Common upsize or Lifted | $95 |
| 1973 Chevrolet K5 Blazer | 235/75R15, 31x10.50R15, 35x12.50R15 | Stock size, Common upsize or Lifted | $95 |
Which brand should you pick?
Chevrolet 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.
The drawing carries the sizes we list for this car, so you know what you are looking for. The placard on the car is still the final word, and it is the only place that gives the cold pressures: the number molded into the sidewall is the maximum the tire can hold, not what your car wants.
What those tires cost
Chevrolet K5 Blazer tires: common questions
What size tires does a Chevrolet K5 Blazer take?
The most common original size is 235/75R15. 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 Chevrolet K5 Blazer?
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 Chevrolet K5 Blazer?
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 1991 Chevrolet K5 Blazer take?
The 1991 Chevrolet K5 Blazer came from the factory on 235/75R15 and 31x10.50R15 and 35x12.50R15. 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 1990 Chevrolet K5 Blazer take?
The 1990 Chevrolet K5 Blazer came from the factory on 235/75R15 and 31x10.50R15 and 35x12.50R15. 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 1989 Chevrolet K5 Blazer take?
The 1989 Chevrolet K5 Blazer came from the factory on 235/75R15 and 31x10.50R15 and 35x12.50R15. Wheel packages can change that within the same model year, so check the placard inside the door jamb before you order.