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BU21 KMF

2021 Mazda 3

Grey Petrol 1998cc
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MOT Status

Valid
Expires26 Apr 2027
Tests3 (3 pass, 0 fail)
Pass rate100%

Mileage

29,651 mi
Last recorded29,651 miles
Recorded on16 Apr 2026
Typical for 2021 Mazda 325,425 mi

Above average mileage for this year

4 checks still locked for this Mazda
Stolen
Finance
Write-off
Keepers
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Vehicle Details

RegistrationBU21 KMF
MakeMazda
Model3
Year2021
ColourGrey
Fuel typePetrol
Engine1,998cc

All premium checks include

50+ data points
Finance Check (Experian) Insurance Write-off Salvage Auction Stolen Check Previous Owners Ex-Taxi, Police, NHS Mileage Anomaly Import / Export Scrapped Check Plate Changes

MOT History

3 pass
Pass 16 Apr 2026 29,651 miles
Pass 9 Apr 2025 25,578 miles
Pass 10 Apr 2024 20,966 miles

How Reliable is the Mazda 3?

Based on 2,040,939 MOT tests across 164,053 vehicles.

77.5%
Pass Rate
6,292
Miles/Year
22
Year Lifespan
164,053
On UK Roads

Top MOT Failure Points

Tyre tread depth below requirements of 1.6mm 40,716
Brake pad(s) less than 1.5 mm thick 18,089
position lamp(s) not working 17,568
Suspension arm rubber bush deteriorated resulting in excessive movement 13,995
Windscreen wiper does not clear the windscreen effectively 11,940
Full Mazda 3 reliability report

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BU21 KMF is a 2021 Mazda 3 in Grey with a 1,998cc petrol engine. This vehicle has been through 3 MOT tests with a personal pass rate of 100%.

Across all 2021 Mazda 3 models, the average MOT pass rate is 89.8% with a typical mileage of 25,425 miles. This particular vehicle has performed better than the average for its year.

The most common reason a Mazda 3 fails its MOT is tyre tread depth below requirements of 1.6mm, accounting for 40,716 recorded failures. If you're considering buying BU21 KMF, it's worth having these areas checked by a mechanic before committing.

The Mazda 3 typically stays on UK roads for around 22 years. At 5 years old, this Mazda 3 is still in the earlier part of its expected life.

Frequently Asked Questions

How do I check the history of BU21 KMF?

You can check the full history of BU21 KMF by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was BU21 KMF registered?

BU21 KMF is a 2021 Mazda 3, first registered on 27 April 2021.

Is BU21 KMF safe to buy?

The MOT history for BU21 KMF shows 3 tests with a 100% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does BU21 KMF have outstanding finance?

Finance checks require a premium vehicle report. This checks against all major UK finance providers to see if there is any outstanding finance on BU21 KMF. If you buy a car with outstanding finance, the finance company can repossess it.

No warranty or guarantee of accuracy is provided for any free data on this page. The data guarantee applies only to information obtained through the purchase of a full check.