2008 Jeep Wrangler — MOT failures & pass rate
The 2008 Jeep Wrangler passed 71.1% of its 256 recorded MOT tests. Against large SUVs of a similar age (23.2% fail rate), the 2008 Wrangler comes out 5.7pp worse. Failures cluster in lighting & signalling, brakes and suspension.
What the MOT record shows
One area stands out: lighting & signalling, recorded in 22.3% of tests against 15.6% for the next-worst category.
At component level the recurring items are headlamp aim, side repeaters and rear fog lamp — headlamp aim alone was recorded 49 times.
A 90-120k example is materially riskier than a 30-60k one: 29.0% versus 15.4%.
Suspension is the most common advisory, noted on 26.6% of tests — work that passed today but is likely due soon.
The trend is worsening — 23.3% of tests failed in 2021 against 26.8% in 2025, the usual pattern as a fleet ages.
How it compares
Top failure categories
| # | Category | % of tests affected | Tests |
|---|---|---|---|
| 1 | Lighting & signalling | 22.3% | 57 |
| 2 | Brakes | 15.6% | 40 |
| 3 | Suspension | 7.0% | 18 |
| 4 | Body, structure & corrosion | 5.9% | 15 |
| 5 | Visibility | 4.7% | 12 |
| 6 | Steering | 4.3% | 11 |
Most common specific failures
The exact components most often recorded as failures — more specific than the categories above.
| # | Failure item | Times recorded |
|---|---|---|
| 1 | Headlamp aim | 49 |
| 2 | Side repeaters | 15 |
| 3 | Rear fog lamp | 14 |
| 4 | Individual direction indicators | 13 |
| 5 | Service brake performance | 13 |
| 6 | Ball joint | 13 |
Top advisory categories
Advisories aren't failures, but they flag work likely needed soon — useful when budgeting.
| # | Category | % of tests with advisory | Tests |
|---|---|---|---|
| 1 | Suspension | 26.6% | 68 |
| 2 | Brakes | 19.1% | 49 |
| 3 | Steering | 17.2% | 44 |
| 4 | Lighting & signalling | 11.7% | 30 |
| 5 | Body, structure & corrosion | 9.0% | 23 |
| 6 | Emissions & environmental | 9.0% | 23 |
Failure rate by mileage
Higher-mileage cars tend to fail more — often the most useful guide to real condition.
| Mileage band | Tests | Fail rate |
|---|---|---|
| 30-60k | 52 | 15.4% |
| 60-90k | 83 | 32.5% |
| 90-120k | 62 | 29.0% |
Failure rate by age
By fuel type
| Fuel | Tests | Fail rate |
|---|---|---|
| Petrol | 142 | 26.1% |
| Diesel | 114 | 32.5% |
Trend over time
| Dataset year | Tests | Fail rate |
|---|---|---|
| 2021 | 30 | 23.3% |
| 2022 | 45 | 26.7% |
| 2023 | 61 | 32.8% |
| 2024 | 64 | 31.3% |
| 2025 | 56 | 26.8% |
What to check before buying a 2008 Wrangler
The failure pattern for this year is specific enough to inspect against: lighting & signalling accounted for 22.3% of tests. Start there.
- Lighting & signalling (22.3% of tests): Often a cheap bulb, but persistent issues can mean wiring or corrosion in the units. Typical repair: £10–£150.
- Brakes (15.6% of tests): Pads/discs are routine wear; binding, imbalance or corroded pipes are more serious — test for pulling under braking. Typical repair: £100–£350 per axle.
- Suspension (7.0% of tests): Worn drop links, bushes, springs or shocks — listen for knocks over bumps and check for uneven tyre wear. Typical repair: £150–£450 per corner.
Repair costs are rough UK ballpark ranges to set expectations, not quotes — actual prices vary widely by car, parts and garage.
Frequently asked questions
How many 2008 Jeep Wranglers pass their MOT?
71.1% of the 256 2008 Jeep Wrangler MOT tests in this dataset passed — a 28.9% fail rate.
What is the most common MOT failure on a 2008 Jeep Wrangler?
Lighting & signalling, recorded in 22.3% of tests, followed by brakes (15.6%).
Does the 2008 Wrangler get worse with mileage?
Its MOT fail rate rises from 15.4% in the 30-60k band to 29.0% in the 90-120k band.
Methodology & source. Based on 256 MOT tests. Dataset: DVSA MOT testing data (2021,2022,2023,2024,2025). Data last updated 2026-07-27. Figures reflect MOT-testable defects only — read the methodology for how these are calculated and what they don't measure.