Original sentence: His MAX SPEED is 100 MPH (160 km/h), making him the slowest vehicle (except the bonus-game-only TRAILER), and is steering is particularly heavy, which might require a player to turn quickly at every curve
Edited sentence: His MAX SPEED is 100 MPH (160 km/h), making him the slowest vehicle (except the bonus-game-only TRAILER), and his steering is particularly heavy, which might require a player to turn quickly at every curve