3rd gen C1XX (2019-2022)
2021 Chevrolet Blazer tire size
The 2021 Chevrolet Blazer uses 235/65R18 on L, 1LT, 2LT, 3LT; 235/55R20 on RS, Premier; 265/45R21 on RS, Premier (21-inch option).
235/65R18 from $88.08 per tire across 1004 live offers.
2021 Chevrolet Blazer tire sizes by trim
Compare prices for 2021 Chevrolet Blazer sizes
Winter tires for the 2021 Chevrolet Blazer
Below about 45°F, winter tires stop shorter than all-season tires, even on AWD. Compare 235/65R18 winter tires, 235/55R20 winter tires, 265/45R21 winter tires or see typical costs on the winter tire hub.
FAQ: 2021 Chevrolet Blazer tires
What size tires does a 2021 Chevrolet Blazer have?
The 2021 Chevrolet Blazer uses 235/65R18 on L, 1LT, 2LT, 3LT; 235/55R20 on RS, Premier; 265/45R21 on RS, Premier (21-inch option).
How much do 2021 Chevrolet Blazer tires cost?
235/65R18 tires start from $88.08 each on TireCompared right now (Arizona Wholesale Tire (Phoenix, AZ)), about $352 for a set of four before installation. Premium brands cost more; compare every offer on the size page.
Do all 2021 Chevrolet Blazer trims use the same tire size?
No. The 2021 Chevrolet Blazer uses 3 factory sizes depending on trim and wheel package: 235/65R18, 235/55R20, 265/45R21. Check the placard on the driver's door jamb to confirm yours.
What does 235/65R18 mean?
235 is the tire width in millimeters, 65 is the sidewall height as a percentage of width (about 153 mm), and R18 means a radial tire for a 18-inch wheel. The tire is about 30 inches tall overall.
Same generation, same tire sizes
Sources
Trim-level listing and fitment database agree on 235/65R18 for L/LT and 235/55R20 for RS/Premier. The 21-inch 265/45R21 is an option (fitment database lists it; tire maker finders seen in search list it for the 2022 RS), not a trim standard.