The Penske PC3 was a Formula One race car manufactured in 1976. It was designed by Geoff Ferris and developed by Penske Racing.
It made its début on Brazil Grand Prix, in 1976, finishing 8th (later retired because of fire). Its best result was a 5th place in South Africa Grand Prix 1975. It got replaced by Penske PC4.
- John Watson (UK)
- Boy Hayje (NL)
- Motor: Ford Cosworth DFV 3.0 V8
- Chassis: Aluminium monocoque
- Transmission: Hewland FG4000 5-speed manual
- Tyres: Goodyear
- Fuel: Sunoco