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ST21 CGO

2021 Mazda 3

Grey Petrol 1998cc
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MOT Status

Valid
Expires13 Jul 2027
Tests4 (4 pass, 0 fail)
Pass rate100%

Mileage

56,813 mi
Last recorded56,813 miles
Recorded on6 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
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Vehicle Details

RegistrationST21 CGO
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 6 Jul 2026 56,813 miles
Pass 14 Jul 2025 38,954 miles

Nearside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))

Offside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))

Pass 3 Jul 2024 18,985 miles

engine covers and undertrays fitted

Pass 19 Feb 2024 16,242 miles

Front Brake pad(s) wearing thin Front Brake Pads Low (1.1.13 (a) (ii))

Nearside Rear Child Seat fitted not allowing full inspection of adult belt

Rear Brake pad(s) wearing thin Rear Brake Pads Low (1.1.13 (a) (ii))

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 CGO 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 ST21 CGO, 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 CGO?

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

What year was ST21 CGO registered?

ST21 CGO is a 2021 Mazda 3, first registered on 13 March 2021.

Is ST21 CGO safe to buy?

The MOT history for ST21 CGO 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 ST21 CGO 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 CGO. 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.