2017 Explorer Group Ltd Unclassified — MOT failures & pass rate
Across 397 MOT tests analysed for the 2017 Explorer Group Ltd Unclassified, the most common recorded failure areas were lighting & signalling, visibility and tyres. Its pass rate of 92.4% was above the average for cars of a similar age (87.7%).
How it compares
Top failure categories
| # | Category | % of tests affected | Tests |
|---|---|---|---|
| 1 | Lighting & signalling | 6.0% | 24 |
| 2 | Visibility | 4.5% | 18 |
| 3 | Tyres | 1.3% | 5 |
| 4 | Body, structure & corrosion | 0.8% | 3 |
| 5 | Emissions & environmental | 0.8% | 3 |
| 6 | Brakes | 0.8% | 3 |
Most common specific failures
The exact components most often recorded as failures — more specific than the categories above.
| # | Failure item | Times recorded |
|---|---|---|
| 1 | Wipers | 18 |
| 2 | Rear fog lamp | 12 |
| 3 | Outline marker lamp | 8 |
| 4 | Headlamp aim | 4 |
| 5 | Tyre pressure monitoring system | 3 |
| 6 | Malfunction indicator lamp | 3 |
Top advisory categories
Advisories aren't failures, but they flag work likely needed soon — useful when budgeting.
| # | Category | % of tests with advisory | Tests |
|---|---|---|---|
| 1 | Tyres | 4.8% | 19 |
| 2 | Suspension | 4.0% | 16 |
| 3 | Lighting & signalling | 2.3% | 9 |
| 4 | Other defects | 1.5% | 6 |
| 5 | Brakes | 1.0% | 4 |
| 6 | Visibility | 0.8% | 3 |
Failure rate by mileage
Higher-mileage cars tend to fail more — often the most useful guide to real condition.
| Mileage band | Tests | Fail rate |
|---|---|---|
| 0-30k | 380 | 6.8% |
Failure rate by age
Trend over time
| Dataset year | Tests | Fail rate |
|---|---|---|
| 2021 | 86 | 7.0% |
| 2022 | 85 | 5.9% |
| 2023 | 79 | 7.6% |
| 2024 | 77 | 11.7% |
| 2025 | 70 | 5.7% |
What to check before buying a 2017 Unclassified
Before buying a 2017 Explorer Group Ltd Unclassified, focus on the areas it most often fails on. Lighting & signalling accounted for 6.0% of tests for this year.
- Lighting & signalling (6.0% of tests): Often a cheap bulb, but persistent issues can mean wiring or corrosion in the units. Typical repair: £10–£150.
- Visibility (4.5% of tests): Wipers, washers, mirrors and screen damage — usually inexpensive, but check for chips in the driver's line of sight. Typical repair: £15–£150.
- Tyres (1.3% of tests): Usually a quick, known-cost fix, but check tread, age and uneven wear (which can hint at alignment or suspension issues). Typical repair: £50–£120 per tyre.
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 2017 Explorer Group Ltd Unclassifieds pass their MOT?
92.4% of the 397 2017 Explorer Group Ltd Unclassified MOT tests in this dataset passed — a 7.6% fail rate.
What is the most common MOT failure on a 2017 Explorer Group Ltd Unclassified?
Lighting & signalling, recorded in 6.0% of tests, followed by visibility (4.5%).
Methodology & source. Based on 397 MOT tests. Dataset: DVSA MOT testing data (2021,2022,2023,2024,2025). Data last updated 2026-07-01. Figures reflect MOT-testable defects only — read the methodology for how these are calculated and what they don't measure.