Chevrolet Silverado Trail Boss 2020 - The American beast in its strongest version equipped with a powerful 6.2L engine and Trail Boss category designed for absolute power and high performance in the toughest conditions. Model 2020, 8-cylinder (V8) engine with 6.2L capacity, mileage 109,000 km, price 105,000 dirhams. Specifications and additions (Trail Boss Edition): Performance - 6.2L V8 engine provides exceptional torque and massive towing capacity. Suspension system.