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B9 BTW

2004 Porsche Boxster

Black Petrol 3179cc
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MOT Status

Valid
Expires9 Apr 2027
Tests25 (18 pass, 7 fail)
Pass rate72%

Mileage

87,858 mi
Last recorded87,858 miles
Recorded on30 Mar 2026
Typical for 2004 Porsche Boxster55,920 mi

Significantly above average — investigate

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

RegistrationB9 BTW
MakePorsche
ModelBoxster
Year2004
ColourBlack
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

18 pass 7 fail
Pass 30 Mar 2026 87,858 miles

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

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

Nearside Rear Brake pipe corroded, covered in grease or other material Pipe hose to calliper corroded (1.1.11 (c))

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

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

Offside Rear Brake pipe corroded, covered in grease or other material Pipe hose to calliper corroded (1.1.11 (c))

Pass 10 Apr 2025 85,704 miles

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

Pass 9 Apr 2024 80,368 miles
Fail 26 Mar 2024 80,368 miles

Nearside Headlamp aim too high (4.1.2 (a))

Offside Headlamp aim too high (4.1.2 (a))

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

Parking brake efficiency below requirements (1.4.2 (a) (i))

Nearside Front Tyre has ply or cords exposed (5.2.3 (d) (ii)) DANGEROUS

Nearside Rear Parking (secondary brake) on a single line braking system has no recorded effort at a wheel (1.3.1 (a) (ii)) DANGEROUS

Nearside Rear Tyre has ply or cords exposed (5.2.3 (d) (ii)) DANGEROUS

Offside Rear Tyre has ply or cords exposed (5.2.3 (d) (ii)) DANGEROUS

Nearside Rear Brake pipe corroded, covered in grease or other material attached to the caliper (1.1.11 (c))

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

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

Offside Rear Brake pipe corroded, covered in grease or other material attached to the caliper (1.1.11 (c))

Pass 18 Nov 2022 69,579 miles

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

Nearside Rear 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))

Fail 18 Nov 2022 69,579 miles

Headlamp aim projected beam image is obviously incorrect both lamps (4.1.2 (c))

Headlamp lens seriously defective both lamps (4.1.1 (b) (ii))

Rear Direction indicator incorrect colour both lamps (4.4.3 (a))

Pass 18 Nov 2021 58,237 miles

Headlamp lens slightly defective both lamps (4.1.1 (b) (i))

Nearside Front Tyre worn close to legal limit/worn on edge worn low on the inner edge (5.2.3 (e))

Rear Direction indicator slightly discoloured both lamps (4.4.3 (a))

Pass 25 Nov 2020 54,536 miles

Nearside Rear Direction indicator slightly discoloured (4.4.3 (a))

Offside Rear Direction indicator slightly discoloured (4.4.3 (a))

The handbrake lever travel is becoming long.

Fail 25 Nov 2020 54,536 miles

Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c))

Nearside Rear Direction indicator slightly discoloured (4.4.3 (a))

Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c))

Offside Rear Direction indicator slightly discoloured (4.4.3 (a))

The handbrake lever travel is becoming long.

Pass 23 May 2019 48,981 miles

Nearside Front Tyre worn close to legal limit/worn on edge tread wearing low on the inner edge (5.2.3 (e))

Fail 22 May 2019 48,981 miles

Offside Rear Coil spring fractured or broken broken at its base (5.3.1 (b) (i))

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

Nearside Front Tyre worn close to legal limit/worn on edge tread wearing low on the inner edge (5.2.3 (e))

Pass 4 May 2018 42,655 miles

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

Pass 23 May 2017 38,081 miles
Fail 23 May 2017 38,081 miles

Nearside Stop lamp not working (1.2.1b)

Pass 23 May 2016 36,719 miles
Pass 18 May 2015 35,272 miles
Fail 18 May 2015 35,272 miles

Nearside Windscreen wiper does not clear the windscreen effectively (8.2.2)

Pass 23 May 2014 32,661 miles
Pass 23 Apr 2013 28,211 miles
Pass 2 Mar 2012 24,944 miles
Pass 5 Feb 2011 18,994 miles

rear discs corroding slightly on inside

rear indicators starting to show white

Pass 10 Feb 2010 13,926 miles

n/s/f tyre perished

o/s/f tyre perished

Pass 20 May 2009 11,972 miles
Pass 14 Mar 2008 9,162 miles
Fail 14 Mar 2008 9,162 miles

Offside Headlamp aim too high (1.8)

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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B9 BTW is a 2004 Porsche Boxster in Black with a 3,179cc petrol engine. This vehicle has been through 25 MOT tests with a personal pass rate of 72%.

Across all 2004 Porsche Boxster models, the average MOT pass rate is 81.0% with a typical mileage of 55,920 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 B9 BTW, 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 22 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 B9 BTW?

You can check the full history of B9 BTW by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was B9 BTW registered?

B9 BTW is a 2004 Porsche Boxster, first registered on 24 December 2004.

Is B9 BTW safe to buy?

The MOT history for B9 BTW shows 25 tests with a 72% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does B9 BTW 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 B9 BTW. 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.