The 2000 Jeep Wrangler offered two engine options: a 2.5-liter inline-4 and a 4.0-liter inline-6.
In the 2000 model year the Wrangler (TJ) continued with a choices-based approach, giving buyers a lighter, more economical 2.5 L engine or a much more capable 4.0 L inline-6 for off-road performance. The engines differed in displacement, horsepower, and torque, and were paired with a range of transmissions depending on trim and options. The information below summarizes the engine options commonly found in 2000 Wranglers.
Engine options for the 2000 Wrangler TJ
The two engines available in the 2000 Wrangler TJ, with approximate power outputs, are listed below.
- 2.5-liter inline-4 (2.5 L I4) — displacement 2.5 L; about 120 horsepower and roughly 133 lb-ft of torque.
- 4.0-liter inline-6 (4.0 L I6) — displacement 4.0 L; about 190–195 horsepower and roughly 235 lb-ft of torque.
Note: Transmission options varied by trim and year; manual and automatic transmissions were available with these engines.
In summary, the 2000 Wrangler offered two engine choices to balance weight, economy, and off-road capability: a smaller 2.5 L inline-4 for lighter duty, and a robust 4.0 L inline-6 for greater torque and performance off-road.
Summary
For the 2000 Jeep Wrangler, buyers could choose between a 2.5L inline-4 and a 4.0L inline-6 engine, with the 4.0L delivering significantly more horsepower and torque, enabling stronger off-road performance, while the 2.5L offered lower cost and lighter weight.


