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EF14 OYN

2014 Seat Mii

Blue Petrol 999cc
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MOT Status

Valid
Expires26 Oct 2026
Tests18 (10 pass, 8 fail)
Pass rate55.6%

Mileage

180,808 mi
Last recorded180,808 miles
Recorded on15 Oct 2025
Typical for 2014 Seat Mii39,182 mi

Significantly above average — investigate

4 checks still locked for this Seat
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Vehicle Details

RegistrationEF14 OYN
MakeSeat
ModelMii
Year2014
ColourBlue
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

10 pass 8 fail
Pass 15 Oct 2025 180,808 miles

Evidence of coolant leak from housing on side of cylinder head - seen from underneath car.

Front brake discs heavily lipped.

Fuel filler flap broken - evidence of previous repair.

Items removed from driver's view prior to test ()

Fail 15 Oct 2025 180,808 miles

Evidence of coolant leak from housing on side of cylinder head - seen from underneath car.

Front brake discs heavily lipped.

Fuel filler flap broken - evidence of previous repair.

Items removed from driver's view prior to test ()

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

Pass 22 Oct 2024 177,452 miles

Front Windscreen damaged but not adversely affecting driver's view (3.2 (a) (i))

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

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

Fail 22 Oct 2024 177,452 miles

Front Windscreen damaged but not adversely affecting driver's view (3.2 (a) (i))

Fuel cap/sealing device ineffective (6.1.3 (b) (i))

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

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

Pass 13 Oct 2023 174,172 miles

Brake disc worn, pitted or scored, but not seriously weakened Both front discs badly lipped (1.1.14 (a) (ii))

Fuel cap seal badly cracked and perished.

Windscreen damaged but not adversely affecting driver's view Stonechip in windscreen. (3.2 (a) (i))

Fail 13 Oct 2023 174,172 miles

Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii))

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

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

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

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

Brake disc worn, pitted or scored, but not seriously weakened Both front discs badly lipped (1.1.14 (a) (ii))

Fuel cap seal badly cracked and perished.

Windscreen damaged but not adversely affecting driver's view Stonechip in windscreen. (3.2 (a) (i))

Pass 27 Oct 2022 159,079 miles

both front tyres and off side rear tyre worn to 3mm

both number plates damaged

handbrake travel is longer than recommended

screen damaged

Fail 27 Oct 2022 159,079 miles

Front Windscreen wiper does not clear the windscreen effectively (3.4 (b) (ii))

Nearside Stop lamp(s) not working (4.3.1 (a) (ii))

both front tyres and off side rear tyre worn to 3mm

both number plates damaged

handbrake travel is longer than recommended

screen damaged

Pass 16 Sep 2021 135,599 miles

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

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

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

Rear Registration plate deteriorated but not likely to be misread (0.1 (b))

outer fuel flap missing

Fail 16 Sep 2021 135,599 miles

Nearside Rear Tyre(s) of different sizes are fitted on the same axle. (5.2.3 (b))

Windscreen washer provides insufficient washer liquid (3.5 (a))

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

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

Nearside Front daytime runing light not working

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

Rear Registration plate deteriorated but not likely to be misread (0.1 (b))

outer fuel flap missing

Pass 30 Jul 2020 114,735 miles

Child seats fitted

front tyres worn

Fail 30 Jul 2020 114,735 miles

Child seats fitted

Windscreen washer not working (3.5 (a))

front tyres worn

Pass 11 Jun 2019 89,087 miles
Fail 12 Apr 2019 84,655 miles

Front Windscreen washer not working (3.5 (a))

Nearside Front Windscreen wiper does not clear the windscreen effectively (3.4 (b) (ii))

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

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

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

Pass 9 Mar 2018 56,715 miles
Pass 7 Sep 2017 52,230 miles
Pass 13 Jul 2017 51,610 miles
Fail 12 Jul 2017 51,574 miles

Front Brake pad(s) less than 1.5 mm thick (3.5.1g)

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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EF14 OYN is a 2014 Seat Mii in Blue with a 999cc petrol engine. This vehicle has been through 18 MOT tests with a personal pass rate of 55.6%.

Across all 2014 Seat Mii models, the average MOT pass rate is 84.1% with a typical mileage of 39,182 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 12 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 EF14 OYN?

You can check the full history of EF14 OYN by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was EF14 OYN registered?

EF14 OYN is a 2014 Seat Mii, first registered on 21 June 2014.

Is EF14 OYN safe to buy?

The MOT history for EF14 OYN shows 18 tests with a 55.6% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does EF14 OYN 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 EF14 OYN. 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.