2003 Jeep Wrangler 4.0 MOT Pass Rate
Pass rate for Wrangler 4.0 models manufactured in 2003, based on 36 real MOT test results.
Data from official DVSA MOT testing records
2003 Jeep Wrangler 4.0 MOT Analysis
The 2003 Jeep Wrangler 4.0 has an MOT pass rate of 61.1% based on 36 tests — around the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 58,194 miles on the odometer. With a 38.9% failure rate, the 2003 Wrangler 4.0 is rated as "Average" for MOT reliability.
The leading cause of MOT failure for the 2003 Jeep Wrangler 4.0 is Seat Belts and Supplementary Restraint Systems, responsible for 2.8% of failures. Seat belt failures include frayed or cut webbing, faulty retractors, buckles that don't latch properly, and missing or damaged anchorages. All fitted seat belts must be functional. Typical repair costs range from £50–200 per belt.
Top failures specific to 2003 models only. The overall Wrangler 4.0 page may show different rankings.
What Fails Most
What Fails on This Car?
Click a category to see specific failure items.
View as table
| Rank | Failure Category | Rate (%) | Count |
|---|---|---|---|
| 1 | Seat Belts And Supplementary Restraint Systems | 2.8% | 1 |
Failures per 10,000 Miles
avg. 58,194 miFor every 10,000 miles driven, this shows what percentage of MOT tests fail for each category. This accounts for how far cars are actually driven, not just raw pass/fail counts.
View as table
| Category | Rate / 10K mi | Raw % | Count |
|---|---|---|---|
| Seat Belts | 0.48 | 2.8% | 1 |
Mileage Statistics
Mileage-adjusted failure rate — accounts for how much this model year is typically driven.
About This Data
The 2003 Jeep Wrangler 4.0 has an MOT pass rate of 61.1% based on 36 tests — around the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 58,194 miles on the odometer. With a 38.9% failure rate, the 2003 Wrangler 4.0 is rated as "Average" for MOT reliability.
If you own or are considering buying a 2003 Jeep Wrangler 4.0, budget for potential repairs before each MOT. Before your MOT, pay particular attention to seat belts and supplementary restraint systems: Pull each seat belt fully out and check for fraying, cuts, or fading. Ensure each belt retracts smoothly and the buckle clicks securely. Check the pre-tensioner warning light on the dashboard. At 58,194 average miles, these vehicles are in the mid-range where component wear starts to become a factor.
Seat Belts and Supplementary Restraint Systems — 2.8% of failures
Seat Belts and Supplementary Restraint Systems issues account for 2.8% of MOT failures on 2003 Jeep Wrangler 4.0 models. Seat belt failures include frayed or cut webbing, faulty retractors, buckles that don't latch properly, and missing or damaged anchorages. All fitted seat belts must be functional. Typical repair costs: £50–200 per belt. Pre-MOT check: Pull each seat belt fully out and check for fraying, cuts, or fading. Ensure each belt retracts smoothly and the buckle clicks securely. Check the pre-tensioner warning light on the dashboard.
Based on DVSA anonymised MOT test data (2005–2024). Crown copyright, Open Government Licence v3.0.