2021 Toyota Hilux Icon D-4D 4Wd Dcb — MOT failures & pass rate
Across 730 MOT tests analysed for the 2021 Toyota Hilux Icon D-4D 4Wd Dcb, the most common recorded failure areas were lighting & signalling, brakes and tyres. Its pass rate of 86.0% was below the average for cars of a similar age (91.2%).
How it compares
Top failure categories
| # | Category | % of tests affected | Tests |
|---|---|---|---|
| 1 | Lighting & signalling | 7.0% | 51 |
| 2 | Brakes | 7.0% | 51 |
| 3 | Tyres | 3.7% | 27 |
| 4 | Visibility | 3.1% | 23 |
| 5 | Suspension | 1.1% | 8 |
| 6 | Emissions & environmental | 1.1% | 8 |
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 | 29 |
| 2 | Wipers | 23 |
| 3 | Brake pads | 14 |
| 4 | Rbt (sp) | 13 |
| 5 | Lever | 12 |
| 6 | Registration plate lamp(s) | 12 |
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 | 15.8% | 115 |
| 2 | Brakes | 10.8% | 79 |
| 3 | Suspension | 5.6% | 41 |
| 4 | Other defects | 4.5% | 33 |
| 5 | Visibility | 3.7% | 27 |
| 6 | Emissions & environmental | 1.0% | 7 |
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 | 200 | 14.0% |
| 30-60k | 331 | 15.4% |
| 60-90k | 147 | 10.2% |
| 90-120k | 47 | 14.9% |
Failure rate by age
Trend over time
| Dataset year | Tests | Fail rate |
|---|---|---|
| 2024 | 385 | 14.8% |
| 2025 | 342 | 12.9% |
What to check before buying a 2021 Hilux Icon D-4D 4Wd Dcb
Before buying a 2021 Toyota Hilux Icon D-4D 4Wd Dcb, focus on the areas it most often fails on. Lighting & signalling accounted for 7.0% of tests for this year.
- Lighting & signalling (7.0% of tests): Often a cheap bulb, but persistent issues can mean wiring or corrosion in the units. Typical repair: £10–£150.
- Brakes (7.0% 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.
- Tyres (3.7% 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 Toyota Hilux Icon D-4D 4Wd Dcbs pass their MOT?
86.0% of the 730 2021 Toyota Hilux Icon D-4D 4Wd Dcb MOT tests in this dataset passed — a 14.0% fail rate.
What is the most common MOT failure on a 2021 Toyota Hilux Icon D-4D 4Wd Dcb?
Lighting & signalling, recorded in 7.0% of tests, followed by brakes (7.0%).
Does the 2021 Hilux Icon D-4D 4Wd Dcb get worse with mileage?
Its MOT fail rate rises from 14.0% in the 0-30k band to 14.9% in the 90-120k band.
Methodology & source. Based on 730 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.