2020 Suzuki Swift Sz3 Dualjet Shvs — MOT failures & pass rate
Across 3,607 MOT tests analysed for the 2020 Suzuki Swift Sz3 Dualjet Shvs, the most common recorded failure areas were visibility, lighting & signalling and tyres. Its pass rate of 95.4% was above the average for cars of a similar age (90.5%). Higher-mileage examples failed more often — 9.2% in the 60-90k group versus 3.6% in the 0-30k group.
How it compares
Top failure categories
| # | Category | % of tests affected | Tests |
|---|---|---|---|
| 1 | Visibility | 4.0% | 145 |
| 2 | Lighting & signalling | 2.5% | 92 |
| 3 | Tyres | 1.8% | 63 |
| 4 | Brakes | 0.8% | 29 |
| 5 | Suspension | 0.2% | 7 |
| 6 | Road wheels | 0.1% | 5 |
Most common specific failures
The exact components most often recorded as failures — more specific than the categories above.
| # | Failure item | Times recorded |
|---|---|---|
| 1 | Wipers | 165 |
| 2 | Headlamp aim | 63 |
| 3 | Tread depth | 31 |
| 4 | Position lamp | 27 |
| 5 | Washers | 19 |
| 6 | Tyre pressure monitoring system | 16 |
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 | 17.9% | 645 |
| 2 | Brakes | 6.7% | 241 |
| 3 | Other defects | 4.0% | 144 |
| 4 | Visibility | 3.5% | 128 |
| 5 | Suspension | 0.6% | 23 |
| 6 | Emissions & environmental | 0.6% | 21 |
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 | 2,604 | 3.6% |
| 30-60k | 888 | 6.8% |
| 60-90k | 98 | 9.2% |
Failure rate by age
Trend over time
| Dataset year | Tests | Fail rate |
|---|---|---|
| 2023 | 1,198 | 3.0% |
| 2024 | 1,179 | 4.7% |
| 2025 | 1,213 | 6.2% |
What to check before buying a 2020 Swift Sz3 Dualjet Shvs
Before buying a 2020 Suzuki Swift Sz3 Dualjet Shvs, focus on the areas it most often fails on. Visibility accounted for 4.0% of tests for this year.
- Visibility (4.0% 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.
- Lighting & signalling (2.5% of tests): Often a cheap bulb, but persistent issues can mean wiring or corrosion in the units. Typical repair: £10–£150.
- Tyres (1.8% 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.
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 Sz3 Dualjet Shvss pass their MOT?
95.4% of the 3,607 2020 Suzuki Swift Sz3 Dualjet Shvs MOT tests in this dataset passed — a 4.6% fail rate.
What is the most common MOT failure on a 2020 Suzuki Swift Sz3 Dualjet Shvs?
Visibility, recorded in 4.0% of tests, followed by lighting & signalling (2.5%).
Does the 2020 Swift Sz3 Dualjet Shvs get worse with mileage?
Its MOT fail rate rises from 3.6% in the 0-30k band to 9.2% in the 60-90k band.
Methodology & source. Based on 3,607 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.