2020 Suzuki Swift Sz-T Dualjet Shvs — MOT failures & pass rate
Across 13,935 MOT tests analysed for the 2020 Suzuki Swift Sz-T Dualjet Shvs, the most common recorded failure areas were visibility, tyres and lighting & signalling. Its pass rate of 94.4% was above the average for cars of a similar age (90.6%). Higher-mileage examples failed more often — 17.8% in the 90-120k group versus 4.1% in the 0-30k group.
How it compares
Top failure categories
| # | Category | % of tests affected | Tests |
|---|---|---|---|
| 1 | Visibility | 4.5% | 622 |
| 2 | Tyres | 2.5% | 352 |
| 3 | Lighting & signalling | 2.4% | 334 |
| 4 | Brakes | 1.1% | 155 |
| 5 | Seat belts & restraints | 0.2% | 22 |
| 6 | Body, structure & corrosion | 0.1% | 19 |
Most common specific failures
The exact components most often recorded as failures — more specific than the categories above.
| # | Failure item | Times recorded |
|---|---|---|
| 1 | Wipers | 680 |
| 2 | Headlamp aim | 285 |
| 3 | Washers | 109 |
| 4 | Brake pads | 107 |
| 5 | Tread depth | 105 |
| 6 | Position lamp | 71 |
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 | 25.3% | 3,530 |
| 2 | Brakes | 9.5% | 1,329 |
| 3 | Other defects | 4.5% | 621 |
| 4 | Visibility | 3.7% | 516 |
| 5 | Suspension | 0.8% | 108 |
| 6 | Emissions & environmental | 0.5% | 76 |
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 | 9,399 | 4.1% |
| 30-60k | 4,059 | 8.5% |
| 60-90k | 411 | 10.0% |
| 90-120k | 45 | 17.8% |
Failure rate by age
By fuel type
| Fuel | Tests | Fail rate |
|---|---|---|
| Hybrid | 13,872 | 5.6% |
| Petrol | 63 | 4.8% |
Trend over time
| Dataset year | Tests | Fail rate |
|---|---|---|
| 2022 | 130 | 0.8% |
| 2023 | 4,645 | 4.2% |
| 2024 | 4,544 | 6.2% |
| 2025 | 4,614 | 6.7% |
What to check before buying a 2020 Swift Sz-T Dualjet Shvs
Before buying a 2020 Suzuki Swift Sz-T Dualjet Shvs, focus on the areas it most often fails on. Visibility accounted for 4.5% of tests for this year.
- Visibility (4.5% 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.
- Tyres (2.5% of tests): Usually a quick, known-cost fix, but check tread, age and uneven wear (which can hint at alignment or suspension issues). Typical repair: £50–£120 per tyre.
- Lighting & signalling (2.4% of tests): Often a cheap bulb, but persistent issues can mean wiring or corrosion in the units. Typical repair: £10–£150.
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 Suzuki Swift Sz-T Dualjet Shvss pass their MOT?
94.4% of the 13,935 2020 Suzuki Swift Sz-T Dualjet Shvs MOT tests in this dataset passed — a 5.6% fail rate.
What is the most common MOT failure on a 2020 Suzuki Swift Sz-T Dualjet Shvs?
Visibility, recorded in 4.5% of tests, followed by tyres (2.5%).
Does the 2020 Swift Sz-T Dualjet Shvs get worse with mileage?
Its MOT fail rate rises from 4.1% in the 0-30k band to 17.8% in the 90-120k band.
Methodology & source. Based on 13,935 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.