Penske PC-18
The Penske PC-18 was a CART Penske Racing car which was constructed for competition in the 1989 [IndyCar season|1989] season. The chassis was fielded by two teams, Penske Racing and Patrick Racing.
Rick Mears won the pole position for the 1989 Indianapolis 500 with the car, and Emerson Fittipaldi won the race itself. Fittipaldi went on to win the 1989 CART championship driving the PC-18 chassis.
Eddie Cheever fielded the PC-18 chassis during the 1990 season for the newly formed Chip Ganassi Racing.
Complete Indy Car World Series results
| Year | Team | Engine | Tyres | Driver | No. | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | Points | |
| 1989 | Team Penske | Chevrolet 265A V8t | XM [Satellite Radio Indy 200|PHX] | Grand [Prix of Long Beach|LBH] | INDY | MIL | Detroit [Belle Isle Grand Prix|DET] | POR | CLE | MEA | TOR | MCH | POC | MDO | Champ Car [Grand Prix of Road America|ROA] | NAZ | LAG | |||||||
| 1989 | Team Penske | Chevrolet 265A V8t |  Goodyear |