Jeep Wrangler 4.0 sahara
Reliability, running costs, and MOT data across 3 years from 369 real MOT tests.
Avg Pass Rate
72%
Total Tests
369
Best Year
1998 (74%)
Years Covered
3
About the Jeep Wrangler 4.0 sahara
The Jeep Wrangler 4.0 sahara has been tested 369 times in 2026 MOT data across 3 model years (1997 to 1999), with an average pass rate of 72%. That's 10 points below the national average of 82%, so check the year-by-year data carefully before buying. Available as petrol.
Best and Worst Years
The 1998 model is the most reliable with a 74% pass rate from 103 tests. The 1999 model has the lowest at 69%. With just a 5 point spread, the Wrangler 4.0 sahara is consistently reliable regardless of year.
Reliability Trend
The JEEP WRANGLER 4.0 SAHARA has maintained consistent MOT pass rates across model years, varying by only 1 percentage points.
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, current fuel prices, 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.
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