The 1gr fe is a 4.0-liter V6 engine manufactured by Toyota, known for its robust performance and reliability. Designed with dual overhead cams and a variable valve timing system (VVT-i), this engine delivers smooth acceleration and powerful torque, ideal for midsize trucks and SUVs. Whether on city streets or rugged off-road trails, the 1GR-FE provides consistent power and exceptional durability, making it a favorite among Toyota enthusiasts and mechanics alike.