Grandtrek AT20 is a highway terrain tyre that also packs plenty of off-road ability. Available in a wide range of sizes, the Grandtrek AT20 is Toyotaâ€™s choice for standard fitment to its Prado SUV. Key Features and Benefits: Silica based tread compound for superior braking, cornering and handling in wet and dry conditions. Also reduces rolling resistance, which can help enhance fuel economy. Robust Case Construction offers extra protection against many hazards commonly encountered in off-road conditions. M&S rated All-Season tread pattern for confident control in all weather conditions. Enhanced wet grip for excellent grip during wet conditions. Variable pitch tread design for very quiet, smooth ride. Black serrated sidewall and raised black letter design give stylish design.