CarVerify

Free Car Check

CN21 ULK

2021 Mazda 3

Grey Petrol 1998cc
Search another vehicle

MOT Status

Valid
Expires22 Jul 2027
Tests4 (4 pass, 0 fail)
Pass rate100%

Mileage

37,258 mi
Last recorded37,258 miles
Recorded on23 Jul 2026
Typical for 2021 Mazda 325,425 mi

Significantly above average — investigate

4 checks still locked for this Mazda
Stolen
Finance
Write-off
Keepers
Unlock full report — £4.99
Instant £30k guarantee
or single check £9.99

Not all car check providers offer a guarantee. Don't risk buying from services that can't back their data. CarVerify reports include a £30,000 finance data guarantee.

Vehicle Details

RegistrationCN21 ULK
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

4 pass
Pass 23 Jul 2026 37,258 miles
Pass 12 Dec 2025 29,381 miles
Pass 30 Dec 2024 15,855 miles
Pass 11 Mar 2024 13,365 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

Don't risk it. Know before you buy.

Not all vehicle check providers are the same. Some don't offer a data guarantee, which means if their information is wrong, you're on your own. Every CarVerify report is backed by a £30,000 finance data guarantee.

£30k guarantee Instant results Cancel anytime

CN21 ULK is a 2021 Mazda 3 in Grey with a 1,998cc petrol engine. This vehicle has been through 4 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 CN21 ULK, 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 CN21 ULK?

You can check the full history of CN21 ULK by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was CN21 ULK registered?

CN21 ULK is a 2021 Mazda 3, first registered on 16 April 2021.

Is CN21 ULK safe to buy?

The MOT history for CN21 ULK shows 4 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 CN21 ULK 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 CN21 ULK. 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.