The Generation 1 in NASCAR refers to the inaugural generation of post-war cars used between 1948 and 1966. The first generation of stock cars used a strictly-stock body and frame, the doors were strapped with the use of seat belts being required, and a heavy-duty rear axle was mandated to stop the cars from rolling over during a race.[2] These cars were almost identical to their road-going counterparts, albeit with tuning and modifications to the car itself being prohibited. It was also notable for being the only generation of stock cars to use real doors.[3] Examples include the Hudson Hornet, Oldsmobile Rocket 88, Ford Galaxie, Plymouth Belvedere, Pontiac Catalina, and the Chevrolet Impala.
They were eventually replaced by the Generation 2 cars in 1967.[4][5]
Models
Chrysler Corporation
![](https://upload.wikimedia.org/wikipedia/commons/thumb/6/64/Hudson_Coupe.jpg/220px-Hudson_Coupe.jpg)
![](https://upload.wikimedia.org/wikipedia/commons/thumb/f/f4/1959_Plymouth_Belvedere_-_2015_Sonoma_Raceway_-_Sarah_Stierch.jpg/220px-1959_Plymouth_Belvedere_-_2015_Sonoma_Raceway_-_Sarah_Stierch.jpg)
- Hudson Hornet: 1950-1954
- Plymouth Belvedere: 1959
Ford Motor Company
![](https://upload.wikimedia.org/wikipedia/commons/thumb/4/4d/Dan_GurneyNASCAR_28.jpg/220px-Dan_GurneyNASCAR_28.jpg)
- Ford Galaxie: 1958-1965
- Ford Thunderbird: 1959-1964
General Motors
![](https://upload.wikimedia.org/wikipedia/commons/thumb/c/c6/RexWhiteChevrolet4.jpg/220px-RexWhiteChevrolet4.jpg)
![](https://upload.wikimedia.org/wikipedia/commons/thumb/4/43/Wendell_Scott_34_Chevrolet_NASCAR_Hall_of_Fame.jpg/220px-Wendell_Scott_34_Chevrolet_NASCAR_Hall_of_Fame.jpg)
![](https://upload.wikimedia.org/wikipedia/commons/thumb/f/f7/BuckBaker1949OldsmobileRocket.jpg/220px-BuckBaker1949OldsmobileRocket.jpg)
![](https://upload.wikimedia.org/wikipedia/commons/thumb/c/cf/DavidPearsonPontiac.jpg/220px-DavidPearsonPontiac.jpg)
- Chevrolet Impala: 1955-1962
- Oldsmobile Rocket 88: 1949-1953
- Pontiac Catalina: 1950-1958
![](https://upload.wikimedia.org/wikipedia/commons/thumb/5/50/StudebakerJohnMarcumNASCARracecar.jpg/220px-StudebakerJohnMarcumNASCARracecar.jpg)
- Studebaker Starlight: 1949-1952
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