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B9 TWJ

1999 Porsche Boxster

Black Petrol 2500cc
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MOT Status

Valid
Expires30 Sep 2026
Tests24 (19 pass, 5 fail)
Pass rate79.2%

Mileage

92,890 mi
Last recorded92,890 miles
Recorded on1 Oct 2025
Typical for 1999 Porsche Boxster75,340 mi

Above average mileage for this year

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

RegistrationB9 TWJ
MakePorsche
ModelBoxster
Year1999
ColourBlack
Fuel typePetrol
Engine2,500cc

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

19 pass 5 fail
Pass 1 Oct 2025 92,890 miles

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

Offside Rear Anti-roll bar linkage ball joint has slight play (5.3.4 (a) (i))

Steering rack has slight free play detected at steering wheel (2.3 (a) (i))

Fail 1 Oct 2025 92,866 miles

Horn not working (7.7 (a))

Windscreen washer provides insufficient washer liquid (3.5 (a))

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

Offside Rear Anti-roll bar linkage ball joint has slight play (5.3.4 (a) (i))

Steering rack has slight free play detected at steering wheel (2.3 (a) (i))

Pass 18 Sep 2024 90,474 miles
Fail 17 Sep 2024 90,474 miles

Nearside Front Suspension arm pin or bush excessively worn (5.3.4 (a) (i))

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

Pass 14 Jul 2023 88,337 miles

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

Fail 10 Jul 2023 88,279 miles

Nearside Front Steering rack gaiter missing or no longer prevents the ingress of dirt (2.1.3 (g) (ii))

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

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

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

Pass 30 Jun 2022 86,614 miles

Nearside Steering rack gaiter damaged or deteriorated, but preventing the ingress of dirt (2.1.3 (g) (i))

Pass 30 Sep 2020 80,810 miles

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

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 18 Oct 2019 80,469 miles
Pass 16 Oct 2018 79,574 miles
Pass 20 Oct 2017 78,636 miles

Offside Front brake hose ferruel rusty

Pass 9 Sep 2016 78,181 miles
Pass 12 Aug 2015 122,666 miles
Pass 2 Oct 2014 70,058 miles
Fail 30 Sep 2014 76,058 miles

Offside Front coil spring broken (2.4.C.1a)

Pass 1 Oct 2013 75,193 miles
Pass 22 Oct 2012 74,394 miles
Pass 12 Oct 2011 73,550 miles
Pass 28 Sep 2010 72,500 miles
Pass 7 Oct 2009 71,514 miles

Nearside Rear Anti-roll bar linkage has slight play in a pin/bush (2.4.G.2)

Offside Rear Anti-roll bar linkage has slight play in a pin/bush (2.4.G.2)

Pass 26 Sep 2008 69,614 miles
Fail 18 Sep 2008 69,546 miles

Nearside Outer 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)

Pass 9 Oct 2007 67,870 miles

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

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

both rear tyres worn on inside edges

offside and nearside rear brake pipe ferrule starting to corode

Pass 12 Oct 2006 66,146 miles

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 TWJ is a 1999 Porsche Boxster in Black with a 2,500cc petrol engine. This vehicle has been through 24 MOT tests with a personal pass rate of 79.2%.

Across all 1999 Porsche Boxster models, the average MOT pass rate is 77.2% with a typical mileage of 75,340 miles. This particular vehicle has performed better than the average for its year.

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 TWJ, 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 27 years old, this Porsche Boxster is approaching the upper end of the typical lifespan for this model.

Frequently Asked Questions

How do I check the history of B9 TWJ?

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

What year was B9 TWJ registered?

B9 TWJ is a 1999 Porsche Boxster, first registered on 29 March 1999.

Is B9 TWJ safe to buy?

The MOT history for B9 TWJ shows 24 tests with a 79.2% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does B9 TWJ 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 TWJ. 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.