Tire Size Specification
Verified OEM & Service Reference2021 Chevrolet Blazer 2.5L 4-cyl — Tire Size
Recommended interval: Rotate every 5,000–7,500 miles; check cold PSI monthly
Engine / Trim Variant
Factory Tire Size
235/65R18 / 235/55R20 / 265/45R21
Quick Purchase
Check verified fitment on Amazon
Technical Specifications
| Front Tire Size | 235/65R18 / 235/55R20 / 265/45R21 |
|---|---|
| Rear Tire Size | 235/65R18 / 235/55R20 / 265/45R21 |
| Rim / Wheel Size | 18" |
| Matched Trims | L, LT, Premier |
Compatible Aftermarket Options
Direct OEM cross-references- Buy Michelin / Continental / Pirelli 235/65R18 on AmazonMichelin / Continental / Pirelli235/65R18
Search query: 235/65R18 tire
Tire Size Fitment by Engine / Trim (2021 Chevrolet Blazer)
| Engine / Trim | Oil Spec & Capacity | OEM Oil Filter |
|---|---|---|
| 2.5L 4-cyl | — • N/A | Verify by VIN |
| 2.0L 4-cyl Turbo | — • N/A | Verify by VIN |
| 3.6L 6-cyl | — • N/A | Verify by VIN |
DIY Fitment & Verification Checklist for 2021 Chevrolet Blazer
- Confirm your engine code or trim variant above before ordering parts, as mid-year production changes can affect tire size fitment.
- When purchasing OEM or aftermarket brands (Motorcraft, ACDelco, Mopar, Wix, Fram, Mobil 1, Bosch, NGK), cross-check the Amazon Garage Confirmed Fit badge with your 17-digit VIN.
- Always consult your 2021 Chevrolet Blazer owner's manual for exact torque specs and fluid service intervals.
Sources: NHTSA vPIC & OEM Service SpecificationsReport an inaccurate spec or part number
Frequently Asked Questions
What is the OEM tire size specification for a 2021 Chevrolet Blazer?
The primary OEM tire size part number / specification for the 2021 Chevrolet Blazer 2.5L 4-cyl is 235/65R18 / 235/55R20 / 265/45R21.
Which aftermarket tire size brands fit the 2021 Chevrolet Blazer?
Compatible aftermarket options include Michelin / Continental / Pirelli 235/65R18.