2020 Peugeot Expert S L1 — MOT failures & pass rate
Across 3,425 MOT tests analysed for the 2020 Peugeot Expert S L1, the most common recorded failure areas were lighting & signalling, visibility and brakes. Its pass rate of 97.3% was above the average for cars of a similar age (90.6%).
How it compares
Top failure categories
| # | Category | % of tests affected | Tests |
|---|---|---|---|
| 1 | Lighting & signalling | 2.6% | 90 |
| 2 | Visibility | 1.4% | 48 |
| 3 | Brakes | 0.9% | 29 |
| 4 | Emissions & environmental | 0.7% | 25 |
| 5 | Tyres | 0.5% | 17 |
| 6 | Suspension | 0.5% | 17 |
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 | 48 |
| 2 | Wipers | 35 |
| 3 | Brake pads | 24 |
| 4 | Washers | 21 |
| 5 | Registration plate lamp(s) | 16 |
| 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 | Tyres | 4.6% | 159 |
| 2 | Brakes | 3.1% | 106 |
| 3 | Other defects | 1.6% | 55 |
| 4 | Lighting & signalling | 1.5% | 52 |
| 5 | Emissions & environmental | 1.5% | 51 |
| 6 | Visibility | 1.3% | 45 |
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 | 1,639 | 2.8% |
| 30-60k | 1,478 | 2.6% |
| 60-90k | 253 | 2.8% |
| 90-120k | 43 | 2.3% |
Failure rate by age
Trend over time
| Dataset year | Tests | Fail rate |
|---|---|---|
| 2022 | 101 | 2.0% |
| 2023 | 1,092 | 2.5% |
| 2024 | 1,097 | 3.0% |
| 2025 | 1,134 | 2.6% |
What to check before buying a 2020 Expert S L1
Before buying a 2020 Peugeot Expert S L1, focus on the areas it most often fails on. Lighting & signalling accounted for 2.6% of tests for this year.
- Lighting & signalling (2.6% of tests): Often a cheap bulb, but persistent issues can mean wiring or corrosion in the units. Typical repair: £10–£150.
- Visibility (1.4% 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.
- Brakes (0.9% 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 2020 Peugeot Expert S L1s pass their MOT?
97.3% of the 3,425 2020 Peugeot Expert S L1 MOT tests in this dataset passed — a 2.7% fail rate.
What is the most common MOT failure on a 2020 Peugeot Expert S L1?
Lighting & signalling, recorded in 2.6% of tests, followed by visibility (1.4%).
Does the 2020 Expert S L1 get worse with mileage?
Its MOT fail rate rises from 2.8% in the 0-30k band to 2.3% in the 90-120k band.
Methodology & source. Based on 3,425 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.