Skip to main content
Pass Your MOT

2021 BMW 3 Series — MOT History by Age

How cars manufactured in 2021 perform at MOT as they age

5 years
Current Age
89.5%
Latest Pass Rate
2,857
Total Tests (All Years)
30,359 mi
Avg Mileage (Latest)

Data from official DVSA MOT testing records

Compared to Average at Age 3

This car: 89.5%
Average: 83.7%

✅ 5.8% above average (25474 models compared)

How This Car Ages

Pass rate progression for the 2021 BMW 3 Series as it ages.

0 yrs75.0%
2 yrs91.6%
3 yrs89.5%

Bar chart showing pass rate by car age from 0 to 3 years

Fail Rate %
📊 View as table
AgePass RateTests
0 yrs75.0%68
2 yrs91.6%166
3 yrs89.5%2,623

Pass Rate Trend

How the 2021 BMW 3 Series pass rate changes as it ages, from first MOT to most recent.

Trend shows improving over 3 years

Pass Rate %
📊 View as table
BuiltPass RateTests
2024 (3 yrs)89.5%2,623
2023 (2 yrs)91.6%166
2021 (0 yrs)75%68

Year-by-Year MOT Results

2021
75.0%
Age (yrs) 0Tests 68Avg Mileage 90,757Top Failure Lamps, reflectors and electrical equipment — 47.1%
2023
91.6%
Age (yrs) 2Tests 166Avg Mileage 27,033Top Failure Tyres — 8.4%
2024
89.5%
Age (yrs) 3Tests 2,623Avg Mileage 30,359Top Failure Tyres — 10.3%

Common MOT Failures

Top failure categories across all test years for 2021 BMW 3 Series, with age trends.

Suspension
22.1%
— Consistent
Lamps, reflectors and electrical equipment
18.3%
↓ Decreases with age
Tyres
8.2%
↑ Increases with age
Brakes
7.9%
↓ Decreases with age
Noise, emissions and leaks
7.4%
— Consistent

How Failures Change With Age

Comparing failure rates between the youngest and oldest test years.

CategoryAt YoungestAt OldestChangeTrend
Lamps, reflectors and electrical equipment47.1% (0 yrs)2.3% (3 yrs)
-44.8%
🟢 ↓
Brakes20.6% (0 yrs)1.4% (3 yrs)
-19.2%
🟢 ↓
Tyres5.9% (0 yrs)10.3% (3 yrs)
+4.4%
🔴 ↑

Other Manufacture Years

Looking for the best year to buy? See the full comparison on the BMW 3 Series page →

About This Data

This page shows how BMW 3 Series cars manufactured in 2021 perform at MOT as they age. Data spans from 2021 to 2024, covering 2,857 tests. Pass rates naturally decline with age as components wear.

Based on DVSA anonymised MOT test data (2005–2024). Crown copyright, Open Government Licence v3.0.

Share via WhatsApp Share on Facebook Report Issue