2021 Peugeot Expert Professional L2 — MOT failures & pass rate
Across 770 MOT tests analysed for the 2021 Peugeot Expert Professional L2, the most common recorded failure areas were lighting & signalling, visibility and brakes. Its pass rate of 85.5% was below the average for cars of a similar age (91.2%). Higher-mileage examples failed more often — 19.0% in the 90-120k group versus 10.2% in the 0-30k group.
How it compares
Top failure categories
| # | Category | % of tests affected | Tests |
|---|---|---|---|
| 1 | Lighting & signalling | 11.3% | 87 |
| 2 | Visibility | 8.1% | 62 |
| 3 | Brakes | 4.9% | 38 |
| 4 | Tyres | 3.6% | 28 |
| 5 | Emissions & environmental | 2.2% | 17 |
| 6 | Suspension | 0.8% | 6 |
Most common specific failures
The exact components most often recorded as failures — more specific than the categories above.
| # | Failure item | Times recorded |
|---|---|---|
| 1 | Wipers | 58 |
| 2 | Brake pads | 45 |
| 3 | Headlamp aim | 43 |
| 4 | Headlamp | 32 |
| 5 | Registration plate lamp(s) | 27 |
| 6 | Malfunction indicator lamp | 15 |
Top advisory categories
Advisories aren't failures, but they flag work likely needed soon — useful when budgeting.
| # | Category | % of tests with advisory | Tests |
|---|---|---|---|
| 1 | Brakes | 17.0% | 131 |
| 2 | Tyres | 16.8% | 129 |
| 3 | Emissions & environmental | 7.0% | 54 |
| 4 | Other defects | 6.6% | 51 |
| 5 | Visibility | 6.4% | 49 |
| 6 | Lighting & signalling | 5.1% | 39 |
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 | 108 | 10.2% |
| 30-60k | 360 | 14.4% |
| 60-90k | 225 | 14.7% |
| 90-120k | 58 | 19.0% |
Failure rate by age
Trend over time
| Dataset year | Tests | Fail rate |
|---|---|---|
| 2024 | 381 | 13.9% |
| 2025 | 382 | 15.4% |
What to check before buying a 2021 Expert Professional L2
Before buying a 2021 Peugeot Expert Professional L2, focus on the areas it most often fails on. Lighting & signalling accounted for 11.3% of tests for this year.
- Lighting & signalling (11.3% of tests): Often a cheap bulb, but persistent issues can mean wiring or corrosion in the units. Typical repair: £10–£150.
- Visibility (8.1% 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.
- Brakes (4.9% 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.
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 2021 Peugeot Expert Professional L2s pass their MOT?
85.5% of the 770 2021 Peugeot Expert Professional L2 MOT tests in this dataset passed — a 14.5% fail rate.
What is the most common MOT failure on a 2021 Peugeot Expert Professional L2?
Lighting & signalling, recorded in 11.3% of tests, followed by visibility (8.1%).
Does the 2021 Expert Professional L2 get worse with mileage?
Its MOT fail rate rises from 10.2% in the 0-30k band to 19.0% in the 90-120k band.
Methodology & source. Based on 770 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.