PLATFORMS

GM J-Body Specs

1970–2026

Compare

Engine —

Power —

Fuel —

Gears —

Platform —

Engine & Performance

Power —

Fuel —

Engine Code —

Drivetrain & Chassis

Gearbox code —

Quick Specs

Dimensions

Segments —

Drive layouts —

Powertrains —

Production span 1970–2026

Data from platform catalog; regional variants may differ.