2021 Mazda CX-30 2.0L Petrol · BU21 KHB
2021 Mazda CX-30 (2.0L, petrol). First registered 29 Mar 2021. Recorded mileage 36,794 miles. MOT expired on 05 Oct 2026.
- Make & Model
- MAZDA CX-30
- Year / Origin
- 2021 · Birmingham
- Safety Recall
- Unknown
- MOT Status
- Expired on 05 Oct 2026
- Road Tax
- —
- Recorded Mileage
- 36,794 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 KHB Key Findings
- 3 MOT tests recorded
- Latest MOT passed on 06/10/2025
- 36,794 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 KHB 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 KHB) between February 2024 and October 2025.
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 KHB Mileage History
- 26/02/202425,008 mi
- 16/09/202425,759 mi+751 mi
- 06/10/202536,794 mi+11,035 mi
Average of roughly 7,321 miles per year across 3 recorded odometer readings.
Technical Specifications
Core Specifications
Identification & Status
Dimensions & Weights
Diagnostic & Valuation Intelligence
Estimate current market value
Generate an instant valuation benchmark based on live market listings, vehicle mileage, and recent dealer auction figures.
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: Average
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.
Verify lender finance agreements, insurance write-offs, police stolen registers, and mileage rollback.
Digital Service History
Access verified franchised dealer maintenance records for BU21KHB.
Unlock Manufacturer Digital Service Records
Check franchised dealer maintenance history for BU21KHB. Our direct integration verifies routine service events, workshop operations, recorded mileage, and technician logs.
Similar Vehicles
Similar Vehicles Checked Recently
Plate Neighbors
Batch Registration Neighbors (BU21 Series)
Vehicles registered in the same regional DVLA batch as BU21KHB.
MAZDA
3
MAZDA
6 SPORT
MAZDA
CX-5 SE-L
MAZDA
CX-5 SPORT AUTO
MAZDA
CX-30 SE-L LUX MHEV AUTO
MAZDA
MX-5 RF SPORT
MAZDA
CX-5 SPORT AUTO
MAZDA
CX-30
MAZDA
CX-30 SPORT LUX MHEV AUTO
MAZDA
CX-30 100TH ANNIVERSRY ED MHEV
MAZDA
CX-5 SPORT
MAZDA
CX-5 SPORT AUTO
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.
Regional DVLA Registration Directory
Vehicles and registration batches issued by regional DVLA offices across the UK.
Recently Checked UK Vehicles
Live vehicle history checks and MOT records recently queried by UK car buyers.