Tire Size Specification
Verified OEM & Service Reference2021 GMC Terrain 1.5L Turbo I4 (LYX / LSD) — Tire Size
Recommended interval: Rotate every 5,000–7,500 miles; check cold PSI monthly
Engine / Trim Variant
Factory Tire Size
235/50R19 / 225/65R17 / 225/60R18
Quick Purchase
Check verified fitment on Amazon
Technical Specifications
| Front Tire Size | 235/50R19 / 225/65R17 / 225/60R18 |
|---|---|
| Rear Tire Size | 235/50R19 / 225/65R17 / 225/60R18 |
| Rim / Wheel Size | 19" |
| Matched Trims | Denali, Elevation Edition, SLE |
Compatible Aftermarket Options
Direct OEM cross-references- Buy Michelin / Continental / Pirelli 235/50R19 on AmazonMichelin / Continental / Pirelli235/50R19
Search query: 235/50R19 tire
DIY Fitment & Verification Checklist for 2021 GMC Terrain
- 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 GMC Terrain 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 GMC Terrain?
The primary OEM tire size part number / specification for the 2021 GMC Terrain 1.5L Turbo I4 (LYX / LSD) is 235/50R19 / 225/65R17 / 225/60R18.
Which aftermarket tire size brands fit the 2021 GMC Terrain?
Compatible aftermarket options include Michelin / Continental / Pirelli 235/50R19.