The Firestone Winterhawk 4 275/45R20 110V is a dedicated winter tire expertly engineered for SUV-type vehicles. This specific tire features a 275mm section width, a 45 aspect ratio sidewall, and is designed to fit 20-inch wheels. It boasts a robust load index of 110, capable of supporting up to 1060 kg (2337 lbs), and a speed index of V, allowing for speeds up to 240 km/h (149 mph).
Positioned as an entry-level, budget-friendly option in the C1 class, the Winterhawk 4 aims to deliver essential winter capabilities without compromising on safety. Each tire weighs approximately 14.37 kg (31.68 lbs).
Key Features
This Firestone Winterhawk 4 model comes equipped with several practical features designed to enhance durability and performance in winter conditions:
- Reinforced (XL) Construction: This tire features a reinforced rubber compound and structure, indicated by its XL (Extra Load) rating, allowing for a higher load capacity compared to conventional tires. Always consult your vehicle registration document to confirm if an XL tire is required for your SUV.
- Rim Protector: An integrated rim guard provides a reinforced area on the tire’s sidewall that helps shield your wheels from scratches and minor damage typically caused by curbs and pavement edges.
- Mud & Snow (M+S) Rated: Designed for optimal traction, this tire is capable of handling challenging muddy and snowy surfaces.
- 3 Peak Mountain Snowflake (3PMSF) Certified: Officially certified for severe winter conditions, the Winterhawk 4 meets stringent performance requirements for snow traction, ensuring confidence and safety in cold weather.
- Non-Run-Flat: Please note, this tire does not feature run-flat technology.
EU Label Performance Ratings
The Firestone Winterhawk 4 275/45R20 110V provides the following ratings under the EU Tire Labeling system, which serves as a valuable guide for consumers:
- Fuel Efficiency (Rolling Resistance): Class C
- Wet Grip: Class B
- Exterior Rolling Noise: Class B (71 dB)
These ratings indicate a moderate level of fuel efficiency and strong performance in wet conditions. With an exterior rolling noise level of 71 dB, this tire offers a reasonable balance, being neither excessively loud nor exceptionally quiet.
Pros & Cons
- Pros:
- Excellent winter performance with 3PMSF certification.
- Effective rim protection feature.
- Reinforced (XL) construction for higher load capacity.
- Good wet grip rating (Class B).
- Budget-friendly option in its class.
- Moderate exterior noise level.
- Cons:
- Does not include run-flat technology.
- Average fuel efficiency rating (Class C).
Further Information
For those seeking more detailed technical data, you can review the official EU Product page for this tire. If you are exploring other tire options in the 275/45R20 size, feel free to check out our 275/45R20 category site for a wider selection.
This review is based on manufacturer specifications, technical data, and aggregated driver feedback. Last updated: May 23, 2026
