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ST21 ZDL

2021 Mazda 3

Black Petrol 1998cc
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MOT Status

Valid
Expires24 Jun 2027
Tests3 (3 pass, 0 fail)
Pass rate100%

Mileage

24,002 mi
Last recorded24,002 miles
Recorded on12 Jun 2026
Typical for 2021 Mazda 325,425 mi

Below or average mileage for this year

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

RegistrationST21 ZDL
MakeMazda
Model3
Year2021
ColourBlack
Fuel typePetrol
Engine1,998cc

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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 12 Jun 2026 24,002 miles

Tyre slightly damaged/cracking or perishing All Tyres cracking (5.2.3 (d) (ii))

Pass 5 Jun 2025 20,694 miles

Tyre slightly damaged/cracking or perishing all tyres light cracked (5.2.3 (d) (ii))

Pass 4 Jun 2024 15,945 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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ST21 ZDL is a 2021 Mazda 3 in Black 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 ST21 ZDL, 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 ST21 ZDL?

You can check the full history of ST21 ZDL by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was ST21 ZDL registered?

ST21 ZDL is a 2021 Mazda 3, first registered on 25 June 2021.

Is ST21 ZDL safe to buy?

The MOT history for ST21 ZDL 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 ST21 ZDL 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 ST21 ZDL. 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.