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ST12 JAO

2012 Mazda 3

White Petrol 1598cc
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MOT Status

Valid
Expires3 Mar 2027
Tests18 (13 pass, 5 fail)
Pass rate72.2%

Mileage

98,149 mi
Last recorded98,149 miles
Recorded on23 Feb 2026
Typical for 2012 Mazda 361,274 mi

Significantly above average — investigate

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

RegistrationST12 JAO
MakeMazda
Model3
Year2012
ColourWhite
Fuel typePetrol
Engine1,598cc

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

13 pass 5 fail
Pass 23 Feb 2026 98,149 miles

Front Sub-frame corroded but not seriously weakened (5.3.3 (b) (i))

Nearside Rear Suspension arm corroded but not seriously weakened (5.3.3 (b) (i))

Nearside Rear Tyre worn close to legal limit/worn on edge Worn unevenly inner edge (5.2.3 (e))

Offside Rear Brake pad(s) wearing thin (1.1.13 (a) (ii))

Offside Rear Suspension arm corroded but not seriously weakened (5.3.3 (b) (i))

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

Oil leak, but not excessive From gearbox (8.4.1 (a) (i))

Rear Sub-frame corroded but not seriously weakened (5.3.3 (b) (i))

Pass 25 Feb 2025 92,312 miles

Nearside Rear Nail in tyre ()

Nearside Rear Suspension arm corroded but not seriously weakened (5.3.3 (b) (i))

Offside Rear Suspension arm corroded but not seriously weakened (5.3.3 (b) (i))

Oil leak, but not excessive From gearbox (8.4.1 (a) (i))

Rear Sub-frame corroded but not seriously weakened (5.3.3 (b) (i))

Pass 4 Mar 2024 85,842 miles

Brake pipe corroded, covered in grease or other material all (1.1.11 (c))

heavily sprayed underseal on all components

Fail 22 Feb 2024 85,828 miles

Nearside Front Suspension arm ball joint excessively worn (5.3.4 (a) (i))

Nearside Rear Anti-roll bar linkage ball joint excessively worn (5.3.4 (a) (i))

Brake pipe corroded, covered in grease or other material all (1.1.11 (c))

heavily sprayed underseal on all components

Pass 9 Feb 2023 80,514 miles

Offside Rear Brake pad(s) wearing thin (1.1.13 (a) (ii))

Front Sub-frame corroded but not seriously weakened (5.3.3 (b) (i))

Nearside Rear Anti-roll bar linkage ball joint has slight play (5.3.4 (a) (i))

Offside Rear Anti-roll bar linkage ball joint has slight play (5.3.4 (a) (i))

Offside Rear Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii))

Oil leak, but not excessive gearbox (8.4.1 (a) (i))

Rear Sub-frame corroded but not seriously weakened (5.3.3 (b) (i))

Fail 9 Feb 2023 80,514 miles

Central Exhaust system insecure (6.1.2 (a))

Emissions unable to be completed (8.2.1.2 (d))

Nearside Front Windscreen washer not working (3.5 (a))

Front Sub-frame corroded but not seriously weakened (5.3.3 (b) (i))

Nearside Rear Anti-roll bar linkage ball joint has slight play (5.3.4 (a) (i))

Offside Rear Anti-roll bar linkage ball joint has slight play (5.3.4 (a) (i))

Offside Rear Brake pad(s) wearing thin (1.1.13 (a) (ii))

Offside Rear Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii))

Oil leak, but not excessive gearbox (8.4.1 (a) (i))

Rear Sub-frame corroded but not seriously weakened (5.3.3 (b) (i))

Pass 10 Feb 2022 74,462 miles

Oil leak, but not excessive gearbox (8.4.1 (a) (i))

Fail 10 Feb 2022 74,462 miles

Front Windscreen washer not working (3.5 (a))

Nearside Rear Seat belt not functioning as intended (7.1.2 (c))

Oil leak, but not excessive gearbox (8.4.1 (a) (i))

Pass 10 Feb 2021 69,677 miles

Oil leak, but not excessive (8.4.1 (a) (i))

Pass 12 Feb 2020 67,885 miles
Fail 10 Feb 2020 67,885 miles

Offside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i))

Nearside Rear Brake disc worn, pitted or scored, but not seriously weakened (1.1.14 (a) (ii))

Nearside Rear Brake pad(s) wearing thin (1.1.13 (a) (ii))

Offside Front Brake disc worn, pitted or scored, but not seriously weakened (1.1.14 (a) (ii))

Offside Rear Brake disc worn, pitted or scored, but not seriously weakened (1.1.14 (a) (ii))

Offside Rear Brake pad(s) wearing thin (1.1.13 (a) (ii))

Pass 7 Nov 2019 67,019 miles
Pass 6 May 2019 64,861 miles

Nearside Front Inner wheel arch liner insecure

Offside Front Suspension arm pin or bush worn but not resulting in excessive movement Lower arm - rear bush (5.3.4 (a) (i))

Registration plate deteriorated but not likely to be misread Front and rear (0.1 (b))

Tyre worn close to legal limit/worn on edge Both front and nearside rear tyres (5.2.3 (e))

Windscreen wiper blade defective Wipers smearing (3.4 (b) (i))

Pass 16 May 2018 58,270 miles

Child Seat fitted not allowing full inspection of adult belt ()

Front wipers smearing, rear wiper torn

Rear registration plate deteriorated but not likely to be misread (6.3.1d)

Tyre worn close to the legal limit Nearside rear 3mm, offside rear 2mm (4.1.E.1)

Pass 19 May 2017 48,488 miles

Front registration plate deteriorated but not likely to be misread (6.3.1d)

Nearside Rear Tyre worn close to the legal limit 2mm (4.1.E.1)

Offside Rear Child Seat fitted not allowing full inspection of adult belt ()

Offside Rear Tyre worn close to the legal limit 3mm (4.1.E.1)

Rear registration plate deteriorated but not likely to be misread (6.3.1d)

Pass 23 May 2016 36,608 miles
Fail 23 May 2016 36,608 miles

Front Brakes imbalanced across an axle (3.7.B.5b)

front brake application uneven (3.7.B.2)

front brakes release unevenly (3.7.B.4)

Front brake disc worn, pitted or scored, but not seriously weakened (3.5.1i)

Headlamp aim too low both headlamps low (1.8)

Pass 25 May 2015 25,297 miles

Child seat fitted not allowing full inspection of adult belt

Nearside Rear Tyre worn close to the legal limit (4.1.E.1)

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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ST12 JAO is a 2012 Mazda 3 in White with a 1,598cc petrol engine. This vehicle has been through 18 MOT tests with a personal pass rate of 72.2%.

Across all 2012 Mazda 3 models, the average MOT pass rate is 80.6% with a typical mileage of 61,274 miles. This particular vehicle has a lower pass rate than the average for its year, which may indicate maintenance issues worth investigating.

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 ST12 JAO, 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 14 years old, this Mazda 3 is well into its expected lifespan but still has years ahead.

Frequently Asked Questions

How do I check the history of ST12 JAO?

You can check the full history of ST12 JAO by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was ST12 JAO registered?

ST12 JAO is a 2012 Mazda 3, first registered on 25 May 2012.

Is ST12 JAO safe to buy?

The MOT history for ST12 JAO shows 18 tests with a 72.2% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does ST12 JAO 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 ST12 JAO. 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.