Jeep Wrangler 4.0 Sahara
Reliability, estimated running costs, and MOT data across 3 model years from 369 MOT tests in 2024.
Avg Pass Rate
72%
Total Tests
369
Highest Pass Rate
1998 (74%)
Years Covered
3
About the Jeep Wrangler 4.0 Sahara
The Jeep Wrangler 4.0 Sahara was MOT tested 369 times in 2024 (DVSA data, retests included) across 3 model years (1997 to 1999), with an average pass rate of 72%. That's 10 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 versions.
Best and Worst Years
Of the years with at least 100 tests, the 1998 model has the highest pass rate at 74% from 103 tests. The 1999 model has the lowest at 69%. With just a 5 point gap, pass rates are similar across these years. Newer cars usually pass more often simply because they are younger.
Reliability Trend
The Jeep Wrangler 4.0 Sahara has maintained consistent MOT pass rates across model years, varying by only 1 percentage point.
Mileage Across Years
The oldest model in our data (1997) averages 96,210 miles, while the newest (1999) averages 85,400 miles.
Compared to the Jeep brand average of 78%, the Wrangler 4.0 Sahara is 6 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 Sahara?
Jeep Wrangler 4.0 Sahara by Year
Click any year to see detailed running costs, reliability data, and comparisons with similar cars.
Questions about the Jeep Wrangler 4.0 Sahara
Is the Jeep Wrangler 4.0 Sahara reliable?
Across its 3 model years in our data (1997 to 1999), the Jeep Wrangler 4.0 Sahara averages a 72% MOT pass rate, from 369 tests (DVSA MOT data for tests in 2024, retests included). That's 10 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 74%.
Which year Jeep Wrangler 4.0 Sahara has the best MOT pass rate?
Of the years with at least 100 tests, the 1998 Jeep Wrangler 4.0 Sahara has the highest MOT pass rate at 74%, while the 1999 model has the lowest at 69%, a 5 point gap. Newer cars usually pass more often simply because they are younger, so compare years of a similar age.
Are newer Jeep Wrangler 4.0 Saharas more reliable?
The Jeep Wrangler 4.0 Sahara has maintained consistent MOT pass rates across model years, varying by only 1 percentage point.
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