Jeep CJ Specs, Engines & Dimensions (1966–1987) — First Generation
The first-generation Jeep CJ remains an icon of rugged simplicity. Offered as an SUV cabriolet, it pairs timeless off-road capability with open-air freedom, and its straightforward powertrains make it a favorite among enthusiasts.
Jeep CJ engine choices kept things simple and dependable. A 2.0-liter gasoline unit offered lively response for daily driving and trail use, while a 2.1-liter diesel delivered steady torque and better fuel economy. For those wanting more power, a 3.7-liter gasoline engine provided stronger acceleration and confident all-wheel-drive performance. Each came paired with a manual transmission, giving drivers direct control over the powertrain on any surface.