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ST12 HDJ

2012 Seat Mii

White Petrol 999cc
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MOT Status

Valid
Expires11 Nov 2026
Tests17 (11 pass, 6 fail)
Pass rate64.7%

Mileage

57,174 mi
Last recorded57,174 miles
Recorded on6 Nov 2025
Typical for 2012 Seat Mii45,229 mi

Above average mileage for this year

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

RegistrationST12 HDJ
MakeSeat
ModelMii
Year2012
ColourWhite
Fuel typePetrol
Engine999cc

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 6 Nov 2025 57,174 miles

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

hand brake lever travel slightly high

slight play in offside front steering mechanism

suspension components corroded

Pass 8 Nov 2024 49,174 miles

front sub frame corroded

hand brake lever travel high

Fail 6 Nov 2024 49,174 miles

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

Front Exhaust system insecure (6.1.2 (a))

Offside Front Seat belt retracting mechanism defective (7.1.2 (e))

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

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

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

front sub frame corroded

hand brake lever travel high

nearside front tyre nailed

Pass 19 Oct 2023 42,492 miles

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

Offside Front Inner Track rod end ball joint has slight play (2.1.3 (b) (i))

Pass 26 Oct 2022 38,039 miles
Fail 26 Oct 2022 38,038 miles

Nearside Front Coil spring fractured or broken (5.3.1 (b) (i))

Pass 12 Nov 2021 36,995 miles

Nearside Front steering arm has slight play

various brake pipe coatings swollen

Fail 12 Nov 2021 36,995 miles

Nearside Front Headlamp aim too high (4.1.2 (a))

Nearside Front steering arm has slight play

various brake pipe coatings swollen

Fail 4 Nov 2021 36,971 miles

Nearside Rear Service brake excessively binding (1.2.1 (f))

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

Offside Rear Upper top tail light inop

Pass 31 Oct 2020 35,650 miles
Pass 31 Oct 2019 33,392 miles
Pass 18 Aug 2018 31,088 miles
Pass 9 Nov 2017 27,712 miles

Offside Rear Nail in tyre ()

Fail 9 Nov 2017 27,712 miles

Supplementary Restraint System warning lamp indicates a fault (5.4.2)

Offside Rear Nail in tyre ()

exhaust heat shield loose

Pass 6 Dec 2016 23,663 miles

Central exhaust sheild insecure at o/s

Pass 1 Dec 2015 19,646 miles

Exhaust heat-shield insecure

Fail 1 Dec 2015 19,646 miles

Nearside Front position lamp(s) not working (1.1.A.3b)

Supplementary Restraint System warning lamp indicates a fault (5.4.2)

Exhaust heat-shield insecure

How Reliable is the Seat Mii?

Based on 178,602 MOT tests across 18,080 vehicles.

83.2%
Pass Rate
4,559
Miles/Year
14
Year Lifespan
18,080
On UK Roads
Full Seat Mii reliability report

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ST12 HDJ is a 2012 Seat Mii in White with a 999cc petrol engine. This vehicle has been through 17 MOT tests with a personal pass rate of 64.7%.

Across all 2012 Seat Mii models, the average MOT pass rate is 80.7% with a typical mileage of 45,229 miles. This particular vehicle has a lower pass rate than the average for its year, which may indicate maintenance issues worth investigating.

The Seat Mii typically stays on UK roads for around 14 years. At 14 years old, this Seat Mii is approaching the upper end of the typical lifespan for this model.

Frequently Asked Questions

How do I check the history of ST12 HDJ?

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

What year was ST12 HDJ registered?

ST12 HDJ is a 2012 Seat Mii, first registered on 23 June 2012.

Is ST12 HDJ safe to buy?

The MOT history for ST12 HDJ 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 ST12 HDJ 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 HDJ. 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.