Jeep Wrangler 4.0 Sport
Reliability, estimated running costs, and MOT data across 3 model years from 366 MOT tests in 2024.
Avg Pass Rate
69%
Total Tests
366
Highest Pass Rate
1997 (73%)
Years Covered
3
About the Jeep Wrangler 4.0 Sport
The Jeep Wrangler 4.0 Sport was MOT tested 366 times in 2024 (DVSA data, retests included) across 3 model years (1997 to 1999), with an average pass rate of 69%. That's 13 points below the average of 82% across all models in our data, so check the year-by-year data carefully before buying. Our records list petrol and diesel versions.
Best and Worst Years
Of the years with at least 100 tests, the 1997 model has the highest pass rate at 73% from 105 tests. The 1999 model has the lowest at 67%. The 6 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 (1997) averages 85,533 miles, while the newest (1999) averages 77,828 miles.
Compared to the Jeep brand average of 78%, the Wrangler 4.0 Sport is 9 points lower, placing it among the less reliable Jeep models.
Estimated Running Costs
Higher due to low pass rate
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 1999 detailsHow reliable is the Jeep Wrangler 4.0 Sport?
Jeep Wrangler 4.0 Sport by Year
Click any year to see detailed running costs, reliability data, and comparisons with similar cars.
Questions about the Jeep Wrangler 4.0 Sport
Is the Jeep Wrangler 4.0 Sport reliable?
Across its 3 model years in our data (1997 to 1999), the Jeep Wrangler 4.0 Sport averages a 69% MOT pass rate, from 366 tests (DVSA MOT data for tests in 2024, retests included). That's 13 points below the average of 82% across all models in the same data. The 1997 model has the highest pass rate of the years with at least 100 tests, at 73%.
Which year Jeep Wrangler 4.0 Sport has the best MOT pass rate?
Of the years with at least 100 tests, the 1997 Jeep Wrangler 4.0 Sport has the highest MOT pass rate at 73%, while the 1999 model has the lowest at 67%, a 6 point gap. Newer cars usually pass more often simply because they are younger, so compare years of a similar age.
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