2021 Mazda CX-30 2.0L Petrol · BU21 KOW
2021 Mazda CX-30 (2.0L, petrol). First registered 10 Mar 2021. Recorded mileage 30,882 miles. MOT valid until 26 Mar 2027.
- Make & Model
- MAZDA CX-30
- Year / Origin
- 2021 · Birmingham
- Safety Recall
- Unknown
- MOT Status
- Valid until 26 Mar 2027
- Road Tax
- —
- Recorded Mileage
- 30,882 mi
- ULEZ Compliance
- ULEZ Compliant (Euro 4+)
- Fuel & Engine
- Petrol · 2.0L
- Reliability Guide
- Common Faults
Thinking of buying this vehicle? Free MOT and tax checks do not cover legal ownership. If outstanding finance exists, finance companies have legal right to repossess without compensation.
BU21 KOW Key Findings
- 3 MOT tests recorded
- Latest MOT passed on 19/03/2026
- 30,882 miles recorded at latest MOT
- No defects recorded at the latest MOT
Derived directly from the recorded DVSA and DVLA data shown on this page.
BU21 KOW MOT History
Interpretation generated from the recorded test data above — not an official DVSA statement and not a substitute for an independent inspection.
3 MOT tests are recorded for this 2021 Mazda Cx-30 (BU21 KOW) between March 2024 and March 2026.
The record contains 3 passes and 0 failures.
No failures or advisories appear anywhere in the recorded tests, so the documented MOT record is relatively clean.
BU21 KOW Mileage History
- 27/03/202413,769 mi
- 24/03/202521,327 mi+7,558 mi
- 19/03/202630,882 mi+9,555 mi
Average of roughly 8,659 miles per year across 3 recorded odometer readings.
Technical Specifications
Core Specifications
Identification & Status
Dimensions & Weights
Diagnostic & Valuation Intelligence
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Known faults for Mazda Mazda CX-30 (DM)
Our database tracks 4 specific mechanical faults and recurring failure patterns identified across UK MOT testing stations for this generation.
MOT Roadworthiness: Excellent
This rating reflects historical MOT pass rates and recurring advisory wear patterns from official DVSA test logs. Note that roadworthiness does not verify outstanding finance, insurance write-offs, or stolen records.
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MAZDA CX-30 Model Intelligence & Reliability
Verified MOT failure trends, buying advice, and technical directory specifications.
Owner-reported defects, recurring MOT failure points, and estimated repair costs.
Browse production generations, registration statistics, and trim variants.
Historical MOT pass rates and DVLA records for 2021 model year cars.
- 12V Battery DrainModerate
The 12V battery can discharge unexpectedly, often due to the keyless entry system or other modules not entering "sleep" mode correctly.
- Smart Brake Support (SBS) False PositivesSerious
Early models were prone to "phantom braking" where the car detects a non-existent obstacle and applies the brakes.
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