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YB03 KZM

2003 Porsche Boxster

Silver Petrol 3179cc
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MOT Status

Valid
Expires11 Feb 2027
Tests25 (20 pass, 5 fail)
Pass rate80%

Mileage

89,379 mi
Last recorded89,379 miles
Recorded on14 Jan 2026
Typical for 2003 Porsche Boxster58,432 mi

Significantly above average — investigate

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

RegistrationYB03 KZM
MakePorsche
ModelBoxster
Year2003
ColourSilver
Fuel typePetrol
Engine3,179cc

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

20 pass 5 fail
Pass 14 Jan 2026 89,379 miles
Fail 12 Jan 2026 89,372 miles

Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c))

Pass 12 Feb 2025 88,666 miles
Pass 19 Jan 2024 86,303 miles

Front Suspension arm pin or bush worn but not resulting in excessive movement both front lower arm bushes (5.3.4 (a) (i))

Rear Suspension arm pin or bush worn but not resulting in excessive movement both rear lower arm bushes (5.3.4 (a) (i))

Fail 19 Jan 2024 86,299 miles

Brake performance unable to be tested (1.2.1 (g))

Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c))

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

Offside Front Brake pipe leaking on a hydraulic braking system (1.1.11 (b) (ii)) DANGEROUS

Front Suspension arm pin or bush worn but not resulting in excessive movement both front lower arm bushes (5.3.4 (a) (i))

Rear Suspension arm pin or bush worn but not resulting in excessive movement both rear lower arm bushes (5.3.4 (a) (i))

Pass 10 Jan 2023 83,947 miles

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

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

Pass 19 Jan 2022 80,755 miles
Pass 15 Jan 2021 77,830 miles

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

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

Pass 22 Jan 2020 76,415 miles
Pass 9 Jan 2019 74,010 miles

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

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

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

Pass 3 Jan 2018 70,901 miles

Offside Front Brake pipe slightly corroded to rear (3.6.B.2c)

Pass 10 Jan 2017 67,583 miles

Nearside Rear brake disc worn, pitted or scored, but not seriously weakened (3.5.1i)

Offside Front Brake pipe slightly corroded (3.6.B.2c)

Offside Rear brake disc worn, pitted or scored, but not seriously weakened (3.5.1i)

Pass 21 Jan 2016 65,513 miles
Fail 15 Jan 2016 65,498 miles

Exhaust emissions Lambda reading after 2nd fast idle outside specified limits (7.3.D.3)

Windscreen has damage to an area less than a 10mm circle within zone 'A' (8.3.1a)

Pass 3 Jan 2015 63,497 miles

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

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

Pass 10 Jan 2014 58,749 miles
Pass 25 Jan 2013 56,670 miles

Offside Rear Front constant velocity joint gaiter deteriorated, but preventing the ingress of dirt (2.5.C.1a)

Pass 17 Jan 2012 54,608 miles
Fail 17 Jan 2012 54,608 miles

Front Windscreen washer provides insufficient washer liquid (8.2.3)

Pass 25 Jan 2011 49,924 miles
Fail 21 Jan 2011 49,911 miles

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

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

Pass 23 Jan 2010 46,452 miles

Nearside Front brake disc slightly scored (3.5.1h)

Offside Front brake disc slightly scored (3.5.1h)

Pass 21 Jan 2009 42,773 miles

Front brake disc slightly pitted (3.5.1h)

Pass 2 Aug 2007 34,330 miles

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

Pass 5 Jul 2006 24,264 miles

Front brake disc slightly pitted (3.5.1h)

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

Rear brake disc slightly pitted (3.5.1h)

How Reliable is the Porsche Boxster?

Based on 726,695 MOT tests across 46,886 vehicles.

82.8%
Pass Rate
2,475
Miles/Year
29
Year Lifespan
46,886
On UK Roads

Top MOT Failure Points

Tyre tread depth below requirements of 1.6mm 19,504
Brake pipe excessively corroded 6,317
Exhaust emissions Lambda reading after 2nd fast idle outside specified limits 5,538
brake disc excessively pitted 5,177
position lamp(s) not working 5,126
Full Porsche Boxster reliability report

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YB03 KZM is a 2003 Porsche Boxster in Silver with a 3,179cc petrol engine. This vehicle has been through 25 MOT tests with a personal pass rate of 80%.

Across all 2003 Porsche Boxster models, the average MOT pass rate is 80.1% with a typical mileage of 58,432 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 Porsche Boxster fails its MOT is tyre tread depth below requirements of 1.6mm, accounting for 19,504 recorded failures. If you're considering buying YB03 KZM, it's worth having these areas checked by a mechanic before committing.

The Porsche Boxster typically stays on UK roads for around 29 years. At 23 years old, this Porsche Boxster is well into its expected lifespan but still has years ahead.

Frequently Asked Questions

How do I check the history of YB03 KZM?

You can check the full history of YB03 KZM by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was YB03 KZM registered?

YB03 KZM is a 2003 Porsche Boxster, first registered on 16 July 2003.

Is YB03 KZM safe to buy?

The MOT history for YB03 KZM shows 25 tests with a 80% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does YB03 KZM 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 YB03 KZM. 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.