What tires come on a Chevy Trailblazer RS?
Typically, the Trailblazer RS comes with 18-inch wheels paired with all-season tires; the exact tire size varies by model year and market.
In practice, most recent RS models use a tire size around P235/55R18 mounted on 18x8-inch wheels, though some years or packages may feature different sizes or wheel options. The definitive specification for any given vehicle can be found on the tire placard located on the driver's door jamb and in the owner's manual. This article reviews the common patterns and how to verify the exact setup for your Trailblazer RS.
Understanding the RS tire setup
The RS trim’s tires are selected to balance performance, comfort, and practicality for a compact SUV. While there is some variation across model years and regional offerings, the baseline configuration for recent Trailblazer RS models centers on 18-inch wheels with all-season tires. Owners should always confirm the precise OEM size for their specific vehicle, especially if considering tire upgrades or wheel swaps.
Current-generation baseline (roughly 2021–present)
For most Trailblazer RS vehicles produced in the current generation, the standard setup is 18-inch wheels with all-season tires. The commonly cited size for these configurations is around P235/55R18, fitted to 18x8-inch wheels. This combination is designed to provide balanced grip in varied conditions and to maintain overall vehicle performance and safety features.
Variations by wheel size and market
Chevrolet has offered different wheel-and-tire configurations depending on market and optional packages. Some configurations may include larger wheels with alternate tire sizes, which changes the available tire dimensions. If your Trailblazer RS has non-standard wheels, the tire size will differ from the 18-inch baseline and should be verified on the door placard and in the vehicle documentation. Always ensure any tire upgrade maintains the correct overall tire diameter to keep speedometer accuracy and safety systems intact.
Where to confirm the exact specification
The most reliable source is the Tire and Loading Information label on the driver's door jamb, along with the owner’s manual. Dealerships can read the vehicle’s VIN to confirm the exact OEM tire size and brand for a specific year and trim. If buying a used Trailblazer RS, verify the current tires and compare them to Chevrolet’s recommended specifications to avoid mismatches that could affect handling and safety.
Summary
In general, the Chevy Trailblazer RS ships with 18-inch wheels and all-season tires, commonly around P235/55R18 for the current generation. Exact sizes can vary by year, market, and optional packages, so the door jamb placard and the owner's manual are the final references. When upgrading tires or wheels, maintain the correct overall diameter and consult a dealer or tire professional to preserve safety systems and performance.
