Jeep Wrangler 4.0
Reliability, estimated running costs, and MOT data across 5 model years from 448 MOT tests in 2024.
Avg Pass Rate
78%
Total Tests
448
Highest Pass Rate
1998 (84%)
Years Covered
5
About the Jeep Wrangler 4.0
The Jeep Wrangler 4.0 was MOT tested 448 times in 2024 (DVSA data, retests included) across 5 model years (1993 to 1998), with an average pass rate of 78%. That's close to the average of 82% across all models in our data. Our records list diesel and petrol versions.
Best and Worst Years
Of the years with at least 100 tests, the 1998 model has the highest pass rate at 84% from 158 tests. The 1997 model has the lowest at 74%. The 10 point gap means pass rates vary somewhat between years, but no year is dramatically different. Newer cars usually pass more often simply because they are younger.
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, average pump prices of 174.57p petrol and 199.33p diesel (GOV.UK weekly road fuel prices, week of 19 October 2026), 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.
Questions about the Jeep Wrangler 4.0
Is the Jeep Wrangler 4.0 reliable?
Across its 5 model years in our data (1993 to 1998), the Jeep Wrangler 4.0 averages a 78% MOT pass rate, from 448 tests (DVSA MOT data for tests in 2024, retests included). That's 4 points below the average of 82% across all models in the same data. The 1998 model has the highest pass rate of the years with at least 100 tests, at 84%.
Which year Jeep Wrangler 4.0 has the best MOT pass rate?
Of the years with at least 100 tests, the 1998 Jeep Wrangler 4.0 has the highest MOT pass rate at 84%, while the 1997 model has the lowest at 74%, a 10 point gap. Newer cars usually pass more often simply because they are younger, so compare years of a similar age.
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