2021 Suzuki Sx4 S-Cross Sz-T B-Jet Mhev — MOT failures & pass rate
Across 1,514 MOT tests analysed for the 2021 Suzuki Sx4 S-Cross Sz-T B-Jet Mhev, the most common recorded failure areas were visibility, lighting & signalling and tyres. Its pass rate of 94.8% was above the average for cars of a similar age (91.2%). Higher-mileage examples failed more often — 9.1% in the 60-90k group versus 4.0% in the 0-30k group.
How it compares
Top failure categories
| # | Category | % of tests affected | Tests |
|---|---|---|---|
| 1 | Visibility | 3.8% | 57 |
| 2 | Lighting & signalling | 3.4% | 52 |
| 3 | Tyres | 2.4% | 36 |
| 4 | Brakes | 1.1% | 17 |
| 5 | Suspension | 0.2% | 3 |
| 6 | Road wheels | 0.1% | 1 |
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 | 74 |
| 2 | Wipers | 64 |
| 3 | Tread depth | 25 |
| 4 | Brake pads | 7 |
| 5 | Service brake performance | 5 |
| 6 | Pedal | 5 |
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 | 15.5% | 234 |
| 2 | Brakes | 6.8% | 103 |
| 3 | Other defects | 5.8% | 87 |
| 4 | Visibility | 2.8% | 42 |
| 5 | Suspension | 1.1% | 16 |
| 6 | Emissions & environmental | 0.8% | 12 |
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 | 1,006 | 4.0% |
| 30-60k | 468 | 7.3% |
| 60-90k | 33 | 9.1% |
Failure rate by age
Trend over time
| Dataset year | Tests | Fail rate |
|---|---|---|
| 2024 | 730 | 4.1% |
| 2025 | 760 | 5.9% |
What to check before buying a 2021 Sx4 S-Cross Sz-T B-Jet Mhev
Before buying a 2021 Suzuki Sx4 S-Cross Sz-T B-Jet Mhev, focus on the areas it most often fails on. Visibility accounted for 3.8% of tests for this year.
- Visibility (3.8% 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 (3.4% of tests): Often a cheap bulb, but persistent issues can mean wiring or corrosion in the units. Typical repair: £10–£150.
- Tyres (2.4% 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 2021 Suzuki Sx4 S-Cross Sz-T B-Jet Mhevs pass their MOT?
94.8% of the 1,514 2021 Suzuki Sx4 S-Cross Sz-T B-Jet Mhev MOT tests in this dataset passed — a 5.1% fail rate.
What is the most common MOT failure on a 2021 Suzuki Sx4 S-Cross Sz-T B-Jet Mhev?
Visibility, recorded in 3.8% of tests, followed by lighting & signalling (3.4%).
Does the 2021 Sx4 S-Cross Sz-T B-Jet Mhev get worse with mileage?
Its MOT fail rate rises from 4.0% in the 0-30k band to 9.1% in the 60-90k band.
Methodology & source. Based on 1,514 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.