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M477 COW

2003 Porsche 911

Blue Petrol 3600cc
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MOT Status

Valid
Expires12 May 2027
Tests23 (20 pass, 3 fail)
Pass rate87%

Mileage

79,979 mi
Last recorded79,979 miles
Recorded on13 May 2026
Typical for 2003 Porsche 91156,599 mi

Significantly above average — investigate

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

RegistrationM477 COW
MakePorsche
Model911
Year2003
ColourBlue
Fuel typePetrol
Engine3,600cc

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 3 fail
Pass 13 May 2026 79,979 miles

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

Nearside Front Headlamp has a product on the lens but not seriously reducing light output (4.1.4 (b))

Offside Front Headlamp has a product on the lens but not seriously reducing light output (4.1.4 (b))

Fail 13 May 2026 79,979 miles

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

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

Nearside Front Headlamp has a product on the lens but not seriously reducing light output (4.1.4 (b))

Offside Front Headlamp has a product on the lens but not seriously reducing light output (4.1.4 (b))

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

Pass 9 May 2025 78,080 miles

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

Nearside Rear Exhaust has a minor leak of exhaust gases (6.1.2 (a))

Offside Rear Exhaust has a minor leak of exhaust gases (6.1.2 (a))

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

Pass 1 May 2024 72,389 miles
Pass 2 May 2023 71,856 miles
Pass 21 Dec 2021 70,941 miles

Front Tyre worn close to legal limit/worn on edge both front tyres wearing inners (5.2.3 (e))

Pass 18 Dec 2020 69,847 miles

Nearside Front Inner Tyre worn close to legal limit/worn on edge wearing (5.2.3 (e))

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

Fail 18 Dec 2020 69,847 miles

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

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

Nearside Front Inner Tyre worn close to legal limit/worn on edge wearing (5.2.3 (e))

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

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

Pass 23 Dec 2019 68,460 miles

Nearside Rear Inner Tyre worn close to legal limit/worn on edge 2.9mm worn inner (5.2.3 (e))

Offside Front Brake pipe corroded, covered in grease or other material to rear at rear corroded (1.1.11 (c))

Pass 21 Dec 2018 65,520 miles

Nearside Brake pipe corroded, covered in grease or other material front to rear at rear (1.1.11 (c))

Nearside Front Brake pipe corroded, covered in grease or other material (1.1.11 (c))

Offside Brake pipe corroded, covered in grease or other material front to rear at rear (1.1.11 (c))

Offside Front Brake pipe corroded, covered in grease or other material (1.1.11 (c))

Pass 18 Dec 2017 65,406 miles

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

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

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

Pass 21 Dec 2016 64,296 miles
Pass 22 Dec 2015 61,156 miles
Pass 7 Feb 2015 60,670 miles
Pass 2 Jan 2014 58,653 miles

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

Pass 2 Jan 2013 56,420 miles

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

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

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

Pass 1 Dec 2011 54,481 miles

Both front brake discs inner faces slightly worn/poor condition,visual.

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

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

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

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

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

Windscreen has damage to an area less than a 40mm circle outside zone 'A' (8.3.1d)

Pass 17 Nov 2010 51,555 miles
Pass 12 Dec 2009 44,030 miles
Fail 10 Dec 2009 44,030 miles

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

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)

advise o/s/f tyre on 2mm on inner egde

Pass 11 Nov 2008 37,172 miles
Pass 11 Oct 2007 30,385 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 13 Oct 2006 25,403 miles

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

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

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

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

How Reliable is the Porsche 911?

Based on 977,057 MOT tests across 73,061 vehicles.

85.2%
Pass Rate
1,867
Miles/Year
47
Year Lifespan
73,061
On UK Roads

Top MOT Failure Points

Tyre tread depth below requirements of 1.6mm 20,869
position lamp(s) not working 7,590
Windscreen washer provides insufficient washer liquid 6,439
Headlamp aim too high 6,432
Brake pipe excessively corroded 5,466
Full Porsche 911 reliability report

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M477 COW is a 2003 Porsche 911 in Blue with a 3,600cc petrol engine. This vehicle has been through 23 MOT tests with a personal pass rate of 87%.

Across all 2003 Porsche 911 models, the average MOT pass rate is 83.0% with a typical mileage of 56,599 miles. This particular vehicle has performed better than the average for its year.

The most common reason a Porsche 911 fails its MOT is tyre tread depth below requirements of 1.6mm, accounting for 20,869 recorded failures. If you're considering buying M477 COW, it's worth having these areas checked by a mechanic before committing.

The Porsche 911 typically stays on UK roads for around 47 years. At 23 years old, this Porsche 911 is still in the earlier part of its expected life.

Frequently Asked Questions

How do I check the history of M477 COW?

You can check the full history of M477 COW by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was M477 COW registered?

M477 COW is a 2003 Porsche 911, first registered on 13 October 2003.

Is M477 COW safe to buy?

The MOT history for M477 COW shows 23 tests with a 87% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does M477 COW 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 M477 COW. 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.