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SM12 BTX

2012 Mazda 3

Black Petrol 1598cc
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MOT Status

Valid
Expires18 Aug 2026
Tests17 (11 pass, 6 fail)
Pass rate64.7%

Mileage

111,391 mi
Last recorded111,391 miles
Recorded on19 Aug 2025
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

RegistrationSM12 BTX
MakeMazda
Model3
Year2012
ColourBlack
Fuel typePetrol
Engine1,598cc
View full Mazda 3 reliability data Browse other 2012 Mazda 3 registrations

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

11 pass 6 fail
Pass 19 Aug 2025 111,391 miles

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

Front Suspension arm ball joint has slight play (5.3.4 (a) (i))

Suspension component corroded but not seriously weakened (5.3.3 (b) (i))

Fail 16 Aug 2025 111,374 miles

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

Offside Rear Shock absorbers has a serious fluid leak (5.3.2 (b))

Rear Registration plate lamp inoperative in the case of a single lamp or all lamps (4.7.1 (b) (ii))

Offside Front Suspension arm ball joint likely to become detached (5.3.4 (a) (ii)) DANGEROUS

Offside Rear Tyre tread depth below requirements of 1.6mm (5.2.3 (e)) DANGEROUS

Rear Brake pad(s) less than 1.5 mm thick (1.1.13 (a) (ii)) DANGEROUS

Front Sub-frame is corroded but structural rigidity is not significantly reduced (6.1.1 (c) (i))

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

Nearside Rear Service brake binding but not excessively (1.2.1 (f))

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

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

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

Rear Sub-frame is corroded but structural rigidity is not significantly reduced (6.1.1 (c) (i))

Fail 15 Aug 2025 111,372 miles

Offside Rear Brake pad(s) worn down to wear indicator (1.1.13 (a) (i))

Offside Rear Shock absorbers has a serious fluid leak (5.3.2 (b))

Parking brake lever defective so that it cannot be satisfactorily operated (1.1.6 (d))

Offside Rear Tyre tread depth below requirements of 1.6mm (5.2.3 (e)) DANGEROUS

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

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

Nearside Rear Service brake binding but not excessively (1.2.1 (f))

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

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

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

Pass 9 Aug 2024 98,691 miles

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

Offside Front Suspension arm ball joint has slight play (5.3.4 (a) (i))

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

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

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

Rear Suspension component mounting prescribed area is corroded but not considered excessive subframe mount areas (5.3.6 (a) (i))

Suspension arm corroded but not seriously weakened all rear arms (5.3.3 (b) (i))

Fail 8 Aug 2024 98,691 miles

Emissions unable to be completed (8.2.1.2 (d))

Exhaust has a major leak of exhaust gases (6.1.2 (a))

Exhaust silencer insecure (8.1.1 (b) (i))

Offside Front Service brake excessively binding (1.2.1 (f))

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

Offside Front Suspension arm ball joint has slight play (5.3.4 (a) (i))

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

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

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

Rear Suspension component mounting prescribed area is corroded but not considered excessive subframe mount areas (5.3.6 (a) (i))

Suspension arm corroded but not seriously weakened all rear arms (5.3.3 (b) (i))

Pass 11 Aug 2023 91,035 miles

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

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

Nearside Rear Suspension component mounting prescribed area is corroded but not considered excessive (5.3.6 (a) (i))

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

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

Offside Rear Suspension component mounting prescribed area is corroded but not considered excessive (5.3.6 (a) (i))

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

Suspension arm corroded but not seriously weakened all rear arms (5.3.3 (b) (i))

Fail 11 Aug 2023 91,035 miles

Offside Front Service brake excessively binding (1.2.1 (f))

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

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

Nearside Rear Suspension component mounting prescribed area is corroded but not considered excessive (5.3.6 (a) (i))

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

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

Offside Rear Suspension component mounting prescribed area is corroded but not considered excessive (5.3.6 (a) (i))

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

Suspension arm corroded but not seriously weakened all rear arms (5.3.3 (b) (i))

Pass 10 Aug 2022 86,945 miles

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

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

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

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

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

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

Fail 10 Aug 2022 86,945 miles

Offside Rear Shock absorbers has a serious fluid leak (5.3.2 (b))

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

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

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

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

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

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

Pass 3 Aug 2021 81,916 miles

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

Pass 3 Aug 2020 75,166 miles
Fail 3 Aug 2020 75,166 miles

Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii))

Pass 31 Jul 2019 68,885 miles
Pass 3 May 2018 58,075 miles

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

Offside Front Lower Suspension arm rubber mounting deteriorated but not resulting in excessive movement rear bush (2.4.G.2)

Offside Front tyre worn on edges close to limit.

Pass 9 May 2017 40,858 miles

Offside Front Suspension arm rubber bush deteriorated but not resulting in excessive movement (2.4.G.2)

Steering system has slight free play detected at steering wheel (2.2.A.1b)

Pass 9 May 2016 27,382 miles
Pass 6 May 2015 14,137 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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SM12 BTX is a 2012 Mazda 3 in Black with a 1,598cc petrol engine. This vehicle has been through 17 MOT tests with a personal pass rate of 64.7%.

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 SM12 BTX, 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 SM12 BTX?

You can check the full history of SM12 BTX by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was SM12 BTX registered?

SM12 BTX is a 2012 Mazda 3, first registered on 10 May 2012.

Is SM12 BTX safe to buy?

The MOT history for SM12 BTX shows 17 tests with a 64.7% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does SM12 BTX 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 SM12 BTX. 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.