The Complete Jeep Wrangler Evolution: 1987–2006

By Robert Halloran

Published June 10, 2026 Updated June 29, 2026 2 generations 1987–2006

The Wrangler is what happened when Jeep took the old CJ, kept the parts that made it a Jeep, and fixed the parts that were getting it sued. The CJ had a reputation for rollovers, and the 1987 Wrangler that replaced it was wider, lower, and better planted, which upset purists who thought the square headlights were heresy. They got over it. Underneath, the early Wrangler still rode leaf springs and a solid front axle, so it was every bit a Jeep, just a more civilized one. Two generations fall inside the classic window, and the difference between them is mostly about how they ride. Here is the rundown, and what to look at before you buy one.

Jeep Wrangler — Generation by Generation

1987–1995

"The car that replaced the CJ"

The first Wrangler arrived for 1987 wider and lower than the CJ it replaced, with the controversial square headlights and a wider track for better stability. It kept leaf-spring suspension and solid axles, so it was still a capable Jeep, just steadier on the road. The 2.5-liter four was standard, and the 4.2-liter six gave way to the much better fuel-injected 4.0-liter inline-six in 1991. Clean YJs with the 4.0 are honest, affordable trail Jeeps with a growing following.

Key Changes

→ Replaced the CJ for 1987
→ Wider track, lower stance, square headlights
→ Leaf-spring suspension retained
→ 4.2 six replaced by fuel-injected 4.0 in 1991
→ Anti-lock brakes available late in the run

Specs

Engines	2.5 four, 4.2 then 4.0 inline-six
Suspension	Leaf springs, solid axles
Headlights	Square
Best engine	Fuel-injected 4.0 (1991+)

Jeep Wrangler for Sale — 1987–1995

Dealer

United States

1988 Jeep Wrangler

$11,995 140,000 miles

Dealer

United States

1991 Jeep Wrangler

$10,995 200,000 miles

Dealer

United States

1988 Jeep Wrangler

$15,495 155,000 miles

See all 1987–1995 Wrangler listings →

1997–2006

"Coil springs and round headlights"

The 1997 TJ brought back the round headlights the purists wanted and, more importantly, adopted the Quadra-Coil coil-spring suspension that transformed both the ride and the off-road articulation. The 4.0 inline-six carried over and remained the engine to have. Late in the run the Rubicon model added factory locking differentials and a low transfer-case ratio, becoming the most capable factory Wrangler of the era and the one collectors now seek. The TJ is the most usable classic Wrangler.

Key Changes

→ Round headlights return
→ Quadra-Coil coil-spring suspension
→ Durable 4.0 inline-six continues
→ Rubicon model with factory lockers from 2003
→ Improved interior and safety equipment

Specs

Engines	2.5/2.4 four, 4.0 inline-six
Suspension	Coil springs, solid axles
Headlights	Round
Most wanted	Rubicon

Jeep Wrangler for Sale — 1997–2006

Dealer

United States

1998 Jeep Wrangler

$20,995 159,976 miles

Dealer

United States

1998 Jeep Wrangler

$11,495 144,031 miles

Dealer

United States

1997 Jeep Wrangler

$8,495 123,304 miles

See all 1997–2006 Wrangler listings →

Legacy & Impact

The TJ is the one most buyers should want, because the coil-spring suspension gave it a real ride and better articulation without giving up any of the Jeep capability, and the 4.0 inline-six is one of the toughest engines ever put in a light 4x4. The YJ is cheaper and has its own following now that the square-headlight argument is long over, and a clean one with the 4.0 is a solid buy. On either generation, the thing that kills a Wrangler is rust: the frame, especially the rear sections and the skid plate area, plus the floors and the body mounts. Get under it with a light. A clean frame is worth more than a clean paint job on these every time.

Frequently Asked Questions

The YJ, built 1987 to 1995, used leaf-spring suspension and square headlights. The TJ, built 1997 to 2006, returned to round headlights and adopted coil-spring suspension for a much better ride and more off-road articulation, while keeping solid axles.

Yes. The 1987 Wrangler YJ replaced the long-running CJ series. It was wider and lower with a revised suspension for better on-road stability, addressing the CJ's rollover reputation, while keeping the solid axles and removable top that define a Jeep.

The 4.0-liter inline-six is the engine to seek. Introduced on the YJ and carried through the TJ, it is durable, torquey, and well supported. The smaller four-cylinders are reliable but underpowered for highway use.

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Robert Halloran

Fredericksburg, Texas

Texas-based classic truck enthusiast with decades of experience buying, restoring, and writing about American pickups from the 1940s through the 1980s.