Engine: 750 cc (supercharged), 2500 cc (normally aspirated) Weight: No Limit Points: 1st: 8, 2nd: 6, 3rd: 4, 4th: 3, 5th: 2, Fastest Lap: 1 Notes: The Indy 500 was included in the World Championship
The prototype F1 Aston Martin DBR4/250, first tested in 1957 and thenb on through 1958. The car's specification read well, with an all alloy engine, all-round disc brakes, five speed gearbox in unit with the final drive and De Dion rear end. The rear-engined competition had the wood on the car, however.