Hayden Paddon competes in his Paddon Racing Group Hyundai i20 AP4++. The car was originally built by Force Motorsport in New Zealand for rally racing. It was powered by a restricted turbocharged 1.8 L Hyundai inline-four and Sadev 4WD sequential transmission. Hayden rebuilt the car for hillclimb with a turbocharged 2.1 L G4CP (4G63) inline-four. The setup is good for 900 hp (671 kW). Watch Hayden compete and win the Ashley Forest RallySprint 2025 at Ashley Forest, New Zealand.
Source: Hayden Paddon FB page and HillClimb Monsters