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NK15 UNN

2015 Seat Mii

Black Petrol 999cc
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MOT Status

Valid
Expires4 Aug 2027
Tests13 (9 pass, 4 fail)
Pass rate69.2%

Mileage

67,429 mi
Last recorded67,429 miles
Recorded on5 Aug 2026
Typical for 2015 Seat Mii35,562 mi

Significantly above average — investigate

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

RegistrationNK15 UNN
MakeSeat
ModelMii
Year2015
ColourBlack
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

9 pass 4 fail
Pass 5 Aug 2026 67,429 miles
Fail 8 Jun 2026 67,281 miles

Nearside Rear Position lamp not working x2 (4.2.1 (a) (ii))

Nearside Front Tyre has a cut but not deep enough to reach the ply or cords 165/70/14 (1120) (5.2.3 (d) (i))

Pass 28 May 2025 60,163 miles

Nearside Front Brake pad(s) wearing thin (1.1.13 (a) (ii))

Offside Front Brake pad(s) wearing thin (1.1.13 (a) (ii))

Pass 1 Jun 2024 51,817 miles

Nearside Front Brake disc worn, but not excessively (1.1.14 (a) (i))

Nearside Front Brake pad(s) wearing thin (1.1.13 (a) (ii))

Nearside Front Service brake fluctuating, but not excessively (1.2.1 (e))

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

Offside Front Brake disc worn, but not excessively (1.1.14 (a) (i))

Offside Front Brake pad(s) wearing thin (1.1.13 (a) (ii))

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

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

Offside Windscreen wiper blade defective (3.4 (b) (i))

Rear Wiper defective.

Fail 1 Jun 2024 51,817 miles

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

Nearside Front Brake disc worn, but not excessively (1.1.14 (a) (i))

Nearside Front Brake pad(s) wearing thin (1.1.13 (a) (ii))

Nearside Front Service brake fluctuating, but not excessively (1.2.1 (e))

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

Offside Front Brake disc worn, but not excessively (1.1.14 (a) (i))

Offside Front Brake pad(s) wearing thin (1.1.13 (a) (ii))

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

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

Offside Windscreen wiper blade defective (3.4 (b) (i))

Rear Wiper defective.

Pass 3 Jun 2023 45,290 miles

Nearside Front Brake pad(s) wearing thin (1.1.13 (a) (ii))

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

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

Offside Front Brake pad(s) wearing thin (1.1.13 (a) (ii))

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

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

Pass 16 Jun 2022 39,284 miles

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

Fail 16 Jun 2022 39,284 miles

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

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

Nearside Headlamp aim too low (4.1.2 (a))

Offside Headlamp aim too low (4.1.2 (a))

Pass 8 Jun 2021 30,901 miles
Pass 9 Jun 2020 24,179 miles
Fail 9 Jun 2020 24,179 miles

Fuel cap/sealing device ineffective Rubber seal is split (6.1.3 (b) (i))

Nearside Headlamp aim too high (4.1.2 (a))

Offside Headlamp aim too high (4.1.2 (a))

Pass 4 Jul 2019 18,609 miles
Pass 19 Jul 2018 13,035 miles

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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NK15 UNN is a 2015 Seat Mii in Black with a 999cc petrol engine. This vehicle has been through 13 MOT tests with a personal pass rate of 69.2%.

Across all 2015 Seat Mii models, the average MOT pass rate is 83.6% with a typical mileage of 35,562 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 11 years old, this Seat Mii is well into its expected lifespan but still has years ahead.

Frequently Asked Questions

How do I check the history of NK15 UNN?

You can check the full history of NK15 UNN by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was NK15 UNN registered?

NK15 UNN is a 2015 Seat Mii, first registered on 1 March 2015.

Is NK15 UNN safe to buy?

The MOT history for NK15 UNN shows 13 tests with a 69.2% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does NK15 UNN 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 NK15 UNN. 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.