YJ

The Jeep YJ, sold as the Wrangler, replaced the much-loved but slower-selling Jeep CJ in 1987. It was a new design with a longer wheelbase, less ground clearance, and more comfort, and some of its inspiration came from its stablemate, the Jeep Cherokee, rather than from its CJ predecessor alone. The YJ also had a leaf spring suspension similar to that of the CJ. 632,231 YJs were built through model year 1995. The YJ was replaced in 1996 by 1997's TJ. YJs are easily identifiable by their rectangular headlights, which were a source of controversy when introduced.

The YJ used a 2.5 L AMC I4 or optional 4.2 L AMC 16 until 1991. That year, a fuel injected 180 hp (134 kW) 4.0 L variant replaced the 112 hp (84 kW) 4.2 L straight-6.

The roll cage was extended in 1992 to allow for rear shoulder belts, and anti-lock brakes were added as an option the next year. An automatic transmission option for 4-cylinder Wranglers came in 1994 along with a center high-mounted stop light.

TJ

The YJ gave way to the TJ for the 1997 model year. This updated Wrangler featured a coil-spring suspension (based on that of the Jeep Grand Cherokee) for better ride and handling, and a return to the CJ's iconic round headlamps. The engine is the same 4.0 L AMC straight-6 used in the Cherokee and Grand Cherokee. A 2.5 L AMC inline-4 motor was available on entry-level models until 2003 when the 2.4 L DOHC Neon 4-cylinder engine replaced it. This model of the Jeep was the first Wrangler to have airbags.

Other changes included the 1999 additions of a larger standard fuel tank, child seat tethers and sound system improvements in 2000, and intermittent wipers, a new console, and an optional locking compartment for 2001.

YJ -square headlights

     -leaf springs

     -2.5L I4 engine / 4.2L I6 engine (1987-1991) / 4.0L I6 engine(1991-1995)

TJ -round headlights

     -coil springs

     -2.5L I4 engine / 4.0L I6 engine

     -interior

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