2017 The Explorer Group Unclassified — MOT failures & pass rate
Across 587 MOT tests analysed for the 2017 The Explorer Group Unclassified, the most common recorded failure areas were lighting & signalling, visibility and seat belts & restraints. Its pass rate of 94.9% 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 | 5.5% | 32 |
| 2 | Visibility | 2.4% | 14 |
| 3 | Seat belts & restraints | 1.0% | 6 |
| 4 | Tyres | 0.7% | 4 |
| 5 | Suspension | 0.5% | 3 |
| 6 | Brakes | 0.5% | 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 | 16 |
| 2 | Rear fog lamp | 14 |
| 3 | Headlamp aim | 12 |
| 4 | SRS malfunction indicator lamp | 6 |
| 5 | Pins and bushes | 5 |
| 6 | Stop lamp | 5 |
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 | 5.6% | 33 |
| 2 | Lighting & signalling | 3.1% | 18 |
| 3 | Suspension | 2.9% | 17 |
| 4 | Visibility | 2.2% | 13 |
| 5 | Brakes | 1.9% | 11 |
| 6 | Other defects | 0.9% | 5 |
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 | 564 | 5.0% |
Failure rate by age
Trend over time
| Dataset year | Tests | Fail rate |
|---|---|---|
| 2021 | 138 | 4.3% |
| 2022 | 120 | 7.5% |
| 2023 | 112 | 3.6% |
| 2024 | 110 | 3.6% |
| 2025 | 107 | 6.5% |
What to check before buying a 2017 Unclassified
Before buying a 2017 The Explorer Group Unclassified, focus on the areas it most often fails on. Lighting & signalling accounted for 5.5% of tests for this year.
- Lighting & signalling (5.5% of tests): Often a cheap bulb, but persistent issues can mean wiring or corrosion in the units. Typical repair: £10–£150.
- Visibility (2.4% 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.
- Seat belts & restraints (1.0% of tests): Belt damage or faulty pretensioners — usually straightforward but safety-critical. Typical repair: £50–£300.
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 The Explorer Group Unclassifieds pass their MOT?
94.9% of the 587 2017 The Explorer Group Unclassified MOT tests in this dataset passed — a 5.1% fail rate.
What is the most common MOT failure on a 2017 The Explorer Group Unclassified?
Lighting & signalling, recorded in 5.5% of tests, followed by visibility (2.4%).
Methodology & source. Based on 587 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.