Volvo 300 Series MOT pass rate & common failures
The Volvo 300 Series appears in 1,550 MOT tests spanning model years 1981–2004, and 77.2% of them passed. All cars of a similar age fail 20.9% of the time, so this is 1.9pp worse than the group it competes with. Its most common failure areas are lighting & signalling, brakes and suspension.
What the MOT record shows
No single area dominates — lighting & signalling (13.0%) and brakes (11.0%) are close, so failures are spread across several systems rather than one weak point.
At component level the recurring items are component mounting prescribed areas, service brake performance and stop lamp — component mounting prescribed areas alone was recorded 141 times.
A 150k+ example is materially riskier than a 0-30k one: 26.7% versus 12.6%.
Advisories point at the next bill rather than this one: suspension was flagged on 23.0% of tests without failing them.
How it compares
By model year
Every 300 Series model year with a usable sample. Years with their own detailed report are linked.
| Year | Tests | Pass rate | Fail rate | Most common failure |
|---|---|---|---|---|
| 1983 | 57 | 84.2% | 15.8% | Visibility |
| 1984 | 84 | 77.4% | 22.6% | Lighting & signalling |
| 1985 | 117 | 79.5% | 20.5% | Brakes |
| 1986 | 202 | 79.2% | 20.8% | Lighting & signalling |
| 1987 | 155 | 76.8% | 23.2% | Lighting & signalling |
| 1988 | 355 | 76.3% | 23.7% | Lighting & signalling |
| 1989 | 352 | 75.8% | 24.1% | Brakes |
| 1990 | 120 | 75.0% | 25.0% | Suspension |
| 1991 | 68 | 75.0% | 25.0% | Suspension |
Most common failures (all years)
| # | Category | % of tests affected | Tests |
|---|---|---|---|
| 1 | Lighting & signalling | 13.0% | 202 |
| 2 | Brakes | 11.0% | 171 |
| 3 | Suspension | 8.2% | 127 |
| 4 | Body, structure & corrosion | 7.5% | 117 |
| 5 | Emissions & environmental | 6.1% | 95 |
| 6 | Visibility | 5.0% | 77 |
| 7 | Tyres | 3.0% | 46 |
| 8 | Steering | 2.4% | 37 |
Most common specific failures
The exact components most often recorded as failures — more specific than the categories above.
| # | Failure item | Times recorded |
|---|---|---|
| 1 | Component mounting prescribed areas | 141 |
| 2 | Service brake performance | 116 |
| 3 | Stop lamp | 74 |
| 4 | Non catalyst emissions | 72 |
| 5 | Washers | 58 |
| 6 | Position lamp | 54 |
| 7 | Chassis condition | 53 |
| 8 | Service brake imbalance | 51 |
Top advisory categories
Advisories aren't failures, but they flag work likely needed soon — useful when budgeting.
| # | Category | % of tests with advisory | Tests |
|---|---|---|---|
| 1 | Suspension | 23.0% | 356 |
| 2 | Brakes | 21.5% | 333 |
| 3 | Body, structure & corrosion | 16.8% | 261 |
| 4 | Tyres | 14.2% | 220 |
| 5 | Emissions & environmental | 13.5% | 209 |
| 6 | Other defects | 9.4% | 146 |
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 | 215 | 12.6% |
| 30-60k | 498 | 21.5% |
| 60-90k | 503 | 25.8% |
| 90-120k | 223 | 26.9% |
| 120-150k | 78 | 26.9% |
| 150k+ | 30 | 26.7% |
Trend over time
| Dataset year | Tests | Fail rate |
|---|---|---|
| 2021 | 394 | 22.3% |
| 2022 | 350 | 21.7% |
| 2023 | 299 | 24.4% |
| 2024 | 262 | 23.3% |
| 2025 | 245 | 22.4% |
What to check before buying a Volvo 300 Series
- Lighting & signalling (13.0% of tests): Often a cheap bulb, but persistent issues can mean wiring or corrosion in the units. Typical repair: £10–£150.
- Brakes (11.0% 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.
- Suspension (8.2% of tests): Worn drop links, bushes, springs or shocks — listen for knocks over bumps and check for uneven tyre wear. Typical repair: £150–£450 per corner.
Repair costs are rough UK ballpark ranges to set expectations, not quotes — actual prices vary widely by car, parts and garage.
Frequently asked questions
What is the MOT pass rate for the Volvo 300 Series?
77.2% of the 1,550 Volvo 300 Series MOT tests in this dataset passed, a 22.8% fail rate, across model years 1981–2004.
What does the Volvo 300 Series most often fail its MOT on?
Lighting & signalling, recorded in 13.0% of tests, then brakes (11.0%).
How much does mileage affect 300 Series MOT results?
Fail rates run at 12.6% for cars in the 0-30k band and 26.7% for 150k+, a 14.1-point difference.
Methodology & source. Based on 1,550 MOT tests. Dataset: DVSA MOT testing data (2021,2022,2023,2024,2025). Data last updated 2026-07-27. Figures reflect MOT-testable defects only — read the methodology for how these are calculated and what they don't measure.