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KN12 UJF

2012 Mazda 6

White Diesel 2183cc
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MOT Status

Valid
Expires13 Jul 2027
Tests17 (13 pass, 4 fail)
Pass rate76.5%

Mileage

74,716 mi
Last recorded74,716 miles
Recorded on1 Jul 2026
Typical for 2012 Mazda 674,301 mi

Below or average mileage for this year

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

RegistrationKN12 UJF
MakeMazda
Model6
Year2012
ColourWhite
Fuel typeDiesel
Engine2,183cc
View full Mazda 6 reliability data Browse other 2012 Mazda 6 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

13 pass 4 fail
Pass 1 Jul 2026 74,716 miles

Exhaust rear flanged joint corroded

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

Nearside Headlamp has a product on the lens but not seriously reducing light output Lens cloudy (4.1.4 (b))

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

Nearside Rear Seat belt webbing slightly damaged or frayed Slight fraying (7.1.2 (b))

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

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

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

Offside Front Brake pipe corroded, covered in grease or other material Corroded @ ferrule (1.1.11 (c))

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

Offside Headlamp has a product on the lens but not seriously reducing light output Lens cloudy (4.1.4 (b))

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

Offside Rear Road wheel slightly distorted Inner rim (5.2.2 (c) (i))

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

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

Fail 30 Jun 2026 74,712 miles

Brakes imbalanced across an axle 44% Imbalance across front axle when holding pedal steady (1.2.1 (b) (i))

Nearside Front Service brake excessively fluctuating (1.2.1 (e))

Nearside Front Service brake lagging in operation (1.2.1 (d))

Exhaust rear flanged joint corroded

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

Nearside Headlamp has a product on the lens but not seriously reducing light output Lens cloudy (4.1.4 (b))

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

Nearside Rear Seat belt webbing slightly damaged or frayed Slight fraying (7.1.2 (b))

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

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

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

Offside Front Brake pipe corroded, covered in grease or other material Corroded @ ferrule (1.1.11 (c))

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

Offside Headlamp has a product on the lens but not seriously reducing light output Lens cloudy (4.1.4 (b))

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

Offside Rear Road wheel slightly distorted Inner rim (5.2.2 (c) (i))

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

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

Pass 1 Jul 2025 70,057 miles

Nearside Headlamp has a product on the lens but not seriously reducing light output (4.1.4 (b))

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

Nearside Rear Seat belt webbing slightly damaged or frayed Fraying (7.1.2 (b))

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

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

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

Offside Front Brake pipe corroded, covered in grease or other material Corroded (1.1.11 (c))

Offside Headlamp has a product on the lens but not seriously reducing light output (4.1.4 (b))

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

Offside Rear Road wheel slightly distorted Inner rim (5.2.2 (c) (i))

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

Rear exhaust flanged joint corroded

Fail 1 Jul 2025 70,054 miles

Nearside Brake pipe excessively corroded Front to rear @ rear (1.1.11 (c))

Offside Brake pipe excessively corroded Front to rear @ rear (1.1.11 (c))

Nearside Headlamp has a product on the lens but not seriously reducing light output (4.1.4 (b))

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

Nearside Rear Seat belt webbing slightly damaged or frayed Fraying (7.1.2 (b))

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

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

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

Offside Front Brake pipe corroded, covered in grease or other material Corroded (1.1.11 (c))

Offside Headlamp has a product on the lens but not seriously reducing light output (4.1.4 (b))

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

Offside Rear Road wheel slightly distorted Inner rim (5.2.2 (c) (i))

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

Rear exhaust flanged joint corroded

Pass 10 Jul 2024 64,978 miles

Nearside Brake pipe corroded, covered in grease or other material Front to rear corroded @ rear ferrule (1.1.11 (c))

Nearside Headlamp has a product on the lens but not seriously reducing light output (4.1.4 (b))

Nearside Rear Seat belt webbing slightly damaged or frayed Slight fraying (7.1.2 (b) (ii))

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

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

Offside Brake pipe corroded, covered in grease or other material Front to rear corroded @ rear ferrule (1.1.11 (c))

Offside Front Brake pipe corroded, covered in grease or other material corroded @ ferrule (1.1.11 (c))

Offside Headlamp has a product on the lens but not seriously reducing light output (4.1.4 (b))

Offside Rear Road wheel slightly distorted Inner rim (5.2.2 (c) (i))

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

Rear exhaust flange joint corroded

Fail 10 Jul 2024 64,975 miles

Nearside Front Service brake excessively fluctuating (1.2.1 (e))

Nearside Front Service brake lagging in operation And has a 38% imbalance when holding pedal steady (1.2.1 (d))

Nearside Brake pipe corroded, covered in grease or other material Front to rear corroded @ rear ferrule (1.1.11 (c))

Nearside Headlamp has a product on the lens but not seriously reducing light output (4.1.4 (b))

Nearside Rear Seat belt webbing slightly damaged or frayed Slight fraying (7.1.2 (b) (ii))

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

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

Offside Brake pipe corroded, covered in grease or other material Front to rear corroded @ rear ferrule (1.1.11 (c))

Offside Front Brake pipe corroded, covered in grease or other material corroded @ ferrule (1.1.11 (c))

Offside Headlamp has a product on the lens but not seriously reducing light output (4.1.4 (b))

Offside Rear Road wheel slightly distorted Inner rim (5.2.2 (c) (i))

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

Rear exhaust flange joint corroded

Pass 11 Jul 2023 60,975 miles

Rear exhaust joint corroded

Pass 29 Jun 2022 57,046 miles

Nearside Headlamp has a product on the lens but not seriously reducing light output (4.1.4 (b))

Offside Headlamp has a product on the lens but not seriously reducing light output (4.1.4 (b))

Pass 29 Jun 2021 54,173 miles
Pass 14 Jul 2020 50,746 miles
Pass 11 Jul 2019 47,685 miles
Fail 11 Jul 2019 47,679 miles

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

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

signs of binding n/s/r brake

Pass 6 Jul 2018 43,199 miles
Pass 27 Jun 2017 37,689 miles
Pass 15 Jul 2016 33,504 miles
Pass 16 Jul 2015 28,223 miles
Pass 18 Jul 2014 19,328 miles

How Reliable is the Mazda 6?

Based on 1,904,140 MOT tests across 159,651 vehicles.

75.4%
Pass Rate
7,713
Miles/Year
24
Year Lifespan
159,651
On UK Roads

Top MOT Failure Points

Tyre tread depth below requirements of 1.6mm 45,082
position lamp(s) not working 38,980
Brake pad(s) less than 1.5 mm thick 34,576
Registration plate lamp not working 29,515
Windscreen wiper does not clear the windscreen effectively 28,494
Full Mazda 6 reliability report

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KN12 UJF is a 2012 Mazda 6 in White with a 2,183cc diesel engine. This vehicle has been through 17 MOT tests with a personal pass rate of 76.5%.

Across all 2012 Mazda 6 models, the average MOT pass rate is 78.0% with a typical mileage of 74,301 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 6 fails its MOT is tyre tread depth below requirements of 1.6mm, accounting for 45,082 recorded failures. If you're considering buying KN12 UJF, it's worth having these areas checked by a mechanic before committing.

The Mazda 6 typically stays on UK roads for around 24 years. At 14 years old, this Mazda 6 is well into its expected lifespan but still has years ahead.

Frequently Asked Questions

How do I check the history of KN12 UJF?

You can check the full history of KN12 UJF by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was KN12 UJF registered?

KN12 UJF is a 2012 Mazda 6, first registered on 31 March 2012.

Is KN12 UJF safe to buy?

The MOT history for KN12 UJF shows 17 tests with a 76.5% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does KN12 UJF 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 KN12 UJF. 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.