Jeep Wrangler 4.0
Reliability, running costs, and MOT data across 5 years from 448 real MOT tests.
Avg Pass Rate
78%
Total Tests
448
Best Year
1995 (87%)
Years Covered
5
About the Jeep Wrangler 4.0
The Jeep Wrangler 4.0 has been tested 448 times in 2026 MOT data across 5 model years (1993 to 1998), with an average pass rate of 78%. That's close to the national average of 82%. Available as diesel and petrol.
Best and Worst Years
The 1995 model is the most reliable with a 87% pass rate from 46 tests. The 1993 model has the lowest at 70%. With a 17 point spread, choosing the right year makes a big difference to reliability.
Reliability Trend
Newer JEEP WRANGLER 4.0s show better MOT pass rates than older ones, with an average improvement of 9 percentage points.
Mileage Across Years
The oldest model in our data (1993) averages 85,987 miles, while the newest (1998) averages 91,586 miles.
Estimated Running Costs
Based on 7,400 miles/year, current fuel prices, and MOT pass rate data. Insurance not included.
Full 1998 detailsHow reliable is the Jeep Wrangler 4.0?
Jeep Wrangler 4.0 by Year
Click any year to see detailed running costs, reliability data, and comparisons with similar cars.
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