J Body Cars: A Comprehensive Overview
J body cars are a series of compact cars that were produced by General Motors from 1981 to 1996. The J body was used for a variety of models, including the Chevrolet Cavalier, Pontiac Sunbird, Buick Skyhawk, Oldsmobile Firenza, and Cadillac Cimarron. J body cars were known for their affordability, fuel efficiency, and sporty handling.
History
The J body was developed in the late 1970s as a replacement for the GM H platform. The J body was designed to be lighter and more fuel-efficient than the H platform, and it was also more aerodynamic. The first J body car was the Chevrolet Cavalier, which was released in 1981. Pontiac introduced the Sunbird in 1982, followed by Buick with the Skyhawk and Oldsmobile with the Firenza in 1983. Cadillac introduced the Cimarron in 1985, making it the only J body car to be sold under a luxury brand.
J body cars were produced in a variety of body styles, including coupes, sedans, and convertibles. In 1989, the J body was redesigned with a more modern look. The second-generation J body cars were produced until 1996, when they were replaced by the GM N platform.
Performance
J body cars were known for their sporty handling. The standard engine for most J body cars was a 2.0-liter inline-four, which produced 90 horsepower. A 2.8-liter V6 engine was also available, which produced 130 horsepower. The V6 engine was only available in the Cavalier Z24 and Sunbird GT models.
J body cars were also relatively fuel-efficient. The standard 2.0-liter engine had an EPA-estimated fuel economy of 25 mpg city/35 mpg highway. The V6 engine had an EPA-estimated fuel economy of 19 mpg city/30 mpg highway.
Features
J body cars were available with a variety of features, including air conditioning, power windows, power locks, and cruise control. Some models also featured leather seats, a sunroof, and a cassette player.
Safety
J body cars were not known for their safety. In 1989, the National Highway Traffic Safety Administration (NHTSA) gave the Cavalier a one-star rating in its crash test. The NHTSA also gave the Firenza and Sunbird one-star ratings in their crash tests.
In 1990, GM made several changes to improve the safety of J body cars. These changes included adding a driver’s side airbag and side-impact beams to the doors.
Conclusion
J body cars were a popular choice for consumers who were looking for an affordable, fuel-efficient, and sporty car. While J body cars were not known for their safety, GM made several changes to improve their safety in 1990. J body cars are no longer in production, but they remain a popular choice for used car buyers.