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KN52 UNK

2003 Seat Leon

Grey Petrol 1781cc
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MOT Status

Valid
Expires10 Feb 2027
Tests27 (21 pass, 6 fail)
Pass rate77.8%

Mileage

121,384 mi
Last recorded121,384 miles
Recorded on7 Feb 2026
Typical for 2003 Seat Leon80,078 mi

Significantly above average — investigate

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

RegistrationKN52 UNK
MakeSeat
ModelLeon
Year2003
ColourGrey
Fuel typePetrol
Engine1,781cc

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

21 pass 6 fail
Pass 7 Feb 2026 121,384 miles

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

Pass 7 Feb 2025 114,170 miles
Pass 27 Jan 2024 109,353 miles

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

Pass 11 Feb 2023 103,894 miles
Fail 28 Jan 2023 103,847 miles

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

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

Pass 22 Jan 2022 99,930 miles
Pass 2 Feb 2021 97,869 miles
Fail 29 Jan 2021 97,869 miles

Nearside Rear Brake pipe excessively corroded (1.1.11 (c))

Offside Rear Brake pipe excessively corroded (1.1.11 (c))

Pass 30 Jan 2020 95,919 miles

Rear Exhaust Box Corroded

Pass 31 Jan 2019 92,189 miles

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

o/s/f tyre bald on outside edge

rear exhaust hanger broken + rear box corroded

Fail 31 Jan 2019 92,187 miles

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

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

Electrical wiring likely to touch hot or rotating parts lambda sensor wiring (4.11 (a) (iii)) DANGEROUS

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

o/s/f tyre bald on outside edge

rear exhaust hanger broken + rear box corroded

Pass 29 Jan 2018 87,923 miles

lambda wiring burn damage from exhaust

n/s/r tyre 2mm

rear exhaust hanger broken

Pass 17 Jan 2017 85,551 miles

brake disc worn, pitted or scored, but not seriously weakened both front (3.5.1i)

n/s/r tyre 2-3mm

rear exhaust hanger broken

Pass 2 Feb 2016 83,358 miles
Pass 3 Feb 2015 81,252 miles
Fail 3 Feb 2015 81,252 miles

Offside Front Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc (2.5.C.1a)

Pass 25 Jan 2014 78,301 miles
Pass 25 Jan 2013 75,430 miles

Nearside Front Tyre worn close to the legal limit (4.1.E.1)

outer sill covers fitted

Pass 14 Jan 2012 69,629 miles
Pass 31 Dec 2010 63,613 miles
Pass 22 Jan 2010 59,169 miles
Fail 20 Jan 2010 59,133 miles

Front Tyre tread depth below requirements of 1.6mm (4.1.E.1)

Nearside Front Headlamp aim too low (1.8)

Offside Front Headlamp aim too high (1.8)

Rear Exhaust system not adequately supported (7.1.1)

Offside Rear Tyre worn close to the legal limit (4.1.E.1)

Pass 14 Jan 2009 54,430 miles
Pass 17 Jan 2008 45,567 miles
Pass 22 Jan 2007 35,558 miles

both front tyres 3m/m tread

nail (puncture) o/s/r tyre

Pass 13 Jan 2006 24,636 miles
Fail 13 Jan 2006 24,636 miles

Nearside Rear Tyre tread depth below requirements of 1.6mm (4.1.E.1)

O/S REAR TYRE 2.5 MM

How Reliable is the Seat Leon?

Based on 3,000,659 MOT tests across 265,838 vehicles.

78.0%
Pass Rate
7,526
Miles/Year
26
Year Lifespan
265,838
On UK Roads

Top MOT Failure Points

Tyre tread depth below requirements of 1.6mm 67,909
Brake pad(s) less than 1.5 mm thick 25,884
Windscreen wiper does not clear the windscreen effectively 22,706
Stop lamp not working 22,676
position lamp(s) not working 18,548
Full Seat Leon reliability report

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KN52 UNK is a 2003 Seat Leon in Grey with a 1,781cc petrol engine. This vehicle has been through 27 MOT tests with a personal pass rate of 77.8%.

Across all 2003 Seat Leon models, the average MOT pass rate is 71.5% with a typical mileage of 80,078 miles. This particular vehicle has performed better than the average for its year.

The most common reason a Seat Leon fails its MOT is tyre tread depth below requirements of 1.6mm, accounting for 67,909 recorded failures. If you're considering buying KN52 UNK, it's worth having these areas checked by a mechanic before committing.

The Seat Leon typically stays on UK roads for around 26 years. At 23 years old, this Seat Leon is approaching the upper end of the typical lifespan for this model.

Frequently Asked Questions

How do I check the history of KN52 UNK?

You can check the full history of KN52 UNK by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was KN52 UNK registered?

KN52 UNK is a 2003 Seat Leon, first registered on 21 January 2003.

Is KN52 UNK safe to buy?

The MOT history for KN52 UNK shows 27 tests with a 77.8% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does KN52 UNK 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 KN52 UNK. 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.