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SB12 STX

2012 Mazda 3

Red Petrol 1598cc
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MOT Status

Valid
Expires22 Aug 2026
Tests15 (11 pass, 4 fail)
Pass rate73.3%

Mileage

88,388 mi
Last recorded88,388 miles
Recorded on1 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

RegistrationSB12 STX
MakeMazda
Model3
Year2012
ColourRed
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 4 fail
Pass 1 Aug 2025 88,388 miles

Both front brake back plates corroded away

Nearside Front Lower Suspension arm pin or bush worn but not resulting in excessive movement Rearmost (5.3.4 (a) (i))

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

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

Fail 30 Jul 2025 88,388 miles

Driver's view of the road through the swept area of the windscreen significantly affected by an obstruction Phone holder stuck to windscreen (3.1 (a) (ii))

Nearside Front Tyre has ply or cords exposed outer sidewall has damage (5.2.3 (d) (ii)) DANGEROUS

Both front brake back plates corroded away

Nearside Front Lower Suspension arm pin or bush worn but not resulting in excessive movement Rearmost (5.3.4 (a) (i))

Nearside Rear Registration plate lamp inoperative in the case of multiple lamps or light sources (4.7.1 (b) (i))

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

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

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

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

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

Pass 8 Aug 2024 83,588 miles

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

all brake back plates corroded

underside of vehicle corroded but not excessive

Fail 7 Aug 2024 83,588 miles

Front Brakes imbalanced across an axle 44% (1.2.1 (b) (i))

Exhaust shield missing where fitted as original equipment creating a risk of fire fuel tank (6.1.3 (e)) DANGEROUS

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

all brake back plates corroded

underside of vehicle corroded but not excessive

Pass 23 Aug 2023 74,523 miles

Front Sub-frame 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))

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

Offside Rear Lower 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))

Underside Corroded in Places (front and rear

Pass 31 Jan 2023 72,431 miles

Exhaust mounting defective rear section (6.1.2 (a))

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

Fuel Pipe/s corroded ()

Integral body structure is corroded but structural rigidity is not significantly reduced underside of vehicle (6.1.1 (c) (i))

Nearside Front Inner Suspension arm pin or bush worn but not resulting in excessive movement rear bush (5.3.4 (a) (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 spring mount / heavily corroded (5.3.3 (b) (i))

Nearside Rear Suspension component mounting prescribed area is corroded but not considered excessive sill return (5.3.6 (a) (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 spring mount / heavily corroded (5.3.3 (b) (i))

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

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

Tyre slightly damaged/cracking or perishing both front / both rear tyre/s are perished in tread (5.2.3 (d) (ii))

long travel handbrake lever

Fail 31 Jan 2023 72,431 miles

Offside Front Lower Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii))

Power steering fluid reservoir empty (2.1.5 (b) (ii))

Exhaust mounting defective rear section (6.1.2 (a))

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

Fuel Pipe/s corroded ()

Integral body structure is corroded but structural rigidity is not significantly reduced underside of vehicle (6.1.1 (c) (i))

Nearside Front Inner Suspension arm pin or bush worn but not resulting in excessive movement rear bush (5.3.4 (a) (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 spring mount / heavily corroded (5.3.3 (b) (i))

Nearside Rear Suspension component mounting prescribed area is corroded but not considered excessive sill return (5.3.6 (a) (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 spring mount / heavily corroded (5.3.3 (b) (i))

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

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

Tyre slightly damaged/cracking or perishing both front / both rear tyre/s are perished in tread (5.2.3 (d) (ii))

long travel handbrake lever

Pass 21 Jan 2022 67,703 miles

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

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

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

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

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

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

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

Vehicle structure is corroded but structural rigidity is not significantly reduced (6.1.1 (c) (i))

Fail 21 Jan 2022 67,703 miles

Front Headlamp aim too low Both (4.1.2 (a))

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

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

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

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

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

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

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

Vehicle structure is corroded but structural rigidity is not significantly reduced (6.1.1 (c) (i))

Pass 28 Jan 2021 63,918 miles
Pass 25 Jul 2019 56,491 miles

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

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

Pass 16 Jul 2018 50,709 miles
Pass 4 Jul 2017 43,725 miles

brake squeel

Pass 11 Jul 2016 36,832 miles

Nearside Front Tyre worn close to the legal limit both shoulders wearing thin (4.1.E.1)

Offside Front Tyre worn close to the legal limit inner shoulder worn (4.1.E.1)

Pass 9 Jul 2015 28,045 miles

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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SB12 STX is a 2012 Mazda 3 in Red with a 1,598cc petrol engine. This vehicle has been through 15 MOT tests with a personal pass rate of 73.3%.

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 SB12 STX, 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 SB12 STX?

You can check the full history of SB12 STX by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was SB12 STX registered?

SB12 STX is a 2012 Mazda 3, first registered on 31 July 2012.

Is SB12 STX safe to buy?

The MOT history for SB12 STX shows 15 tests with a 73.3% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does SB12 STX 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 SB12 STX. 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.