2021 Peugeot Expert S L2 — MOT failures & pass rate
Across 1,677 MOT tests analysed for the 2021 Peugeot Expert S L2, the most common recorded failure areas were lighting & signalling, visibility and emissions & environmental. Its pass rate of 97.0% was above the average for cars of a similar age (91.5%).
How it compares
Top failure categories
| # | Category | % of tests affected | Tests |
|---|---|---|---|
| 1 | Lighting & signalling | 2.7% | 45 |
| 2 | Visibility | 1.3% | 22 |
| 3 | Emissions & environmental | 1.0% | 17 |
| 4 | Brakes | 0.9% | 15 |
| 5 | Body, structure & corrosion | 0.4% | 7 |
| 6 | Tyres | 0.4% | 6 |
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 | 23 |
| 2 | Wipers | 14 |
| 3 | On or after 01/01/2014 | 10 |
| 4 | Brake pads | 10 |
| 5 | Washers | 10 |
| 6 | Stop lamp | 7 |
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 | 4.0% | 68 |
| 2 | Brakes | 2.9% | 49 |
| 3 | Emissions & environmental | 2.3% | 38 |
| 4 | Other defects | 1.6% | 26 |
| 5 | Visibility | 1.2% | 20 |
| 6 | Steering | 0.9% | 16 |
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 | 821 | 3.6% |
| 30-60k | 734 | 2.2% |
| 60-90k | 95 | 4.2% |
Failure rate by age
Trend over time
| Dataset year | Tests | Fail rate |
|---|---|---|
| 2023 | 189 | 1.1% |
| 2024 | 736 | 3.7% |
| 2025 | 748 | 2.8% |
What to check before buying a 2021 Expert S L2
Before buying a 2021 Peugeot Expert S L2, focus on the areas it most often fails on. Lighting & signalling accounted for 2.7% of tests for this year.
- Lighting & signalling (2.7% of tests): Often a cheap bulb, but persistent issues can mean wiring or corrosion in the units. Typical repair: £10–£150.
- Visibility (1.3% 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.
- Emissions & environmental (1.0% of tests): More common on older diesels (DPF/EGR) — can be expensive; check for warning lights and smoke. Typical repair: £100–£600.
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 S L2s pass their MOT?
97.0% of the 1,677 2021 Peugeot Expert S L2 MOT tests in this dataset passed — a 3.0% fail rate.
What is the most common MOT failure on a 2021 Peugeot Expert S L2?
Lighting & signalling, recorded in 2.7% of tests, followed by visibility (1.3%).
Does the 2021 Expert S L2 get worse with mileage?
Its MOT fail rate rises from 3.6% in the 0-30k band to 4.2% in the 60-90k band.
Methodology & source. Based on 1,677 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.