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R939 KSC

1998 Porsche 911

Blue Petrol 3400cc
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MOT Status

Valid
Expires21 May 2027
Tests26 (18 pass, 8 fail)
Pass rate69.2%

Mileage

91,285 mi
Last recorded91,285 miles
Recorded on12 May 2026
Typical for 1998 Porsche 91180,292 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

RegistrationR939 KSC
MakePorsche
Model911
Year1998
ColourBlue
Fuel typePetrol
Engine3,400cc

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 8 fail
Pass 12 May 2026 91,285 miles
Pass 13 May 2025 91,023 miles
Pass 6 May 2024 89,642 miles
Pass 22 May 2023 89,137 miles

Nearside Rear Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii))

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 22 May 2023 89,137 miles

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

Nearside Rear Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii))

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))

Pass 20 May 2021 145,515 miles

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

Rear Integral body structure or chassis corroded within 30cm of a mounting, but not seriously affecting overall security (6.2.2 (d) (i))

Pass 6 Apr 2020 144,109 miles

brake pipes slightly corroded

slight corrosion to underside and exposed components

undertrays fitted

Fail 6 Apr 2020 144,109 miles

Oil leaking excessively from engine (8.4.1 (a) (i))

brake pipes slightly corroded

slight corrosion to underside and exposed components

undertrays fitted

Pass 5 Aug 2016 143,559 miles

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

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

oil leak

Fail 4 Aug 2016 143,558 miles

Nearside Rear Exhaust system not adequately supported exhaust clamp broken (7.1.1)

Offside Rear Exhaust system not adequately supported (7.1.1)

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

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

oil leak

Pass 17 Jul 2015 143,228 miles
Pass 17 Jul 2014 141,953 miles
Fail 16 Jul 2014 141,953 miles

Anti-lock braking system warning lamp indicates an ABS fault (3.4.1c)

Nearside rear parking brake recording little or no effort (3.7.B.6a)

Offside rear parking brake recording little or no effort (3.7.B.6a)

Parking brake: efficiency below requirements (3.7.B.7)

Nearside Front Track rod end ball joint has slight play (2.2.B.1f)

Pass 9 Jul 2013 139,743 miles
Fail 9 Jul 2013 139,743 miles

Brakes imbalanced across an axle (3.7.B.5b)

Offside Side repeater not working (1.4.A.2c)

Parking brake: efficiency below requirements (3.7.B.7)

Pass 30 Jul 2012 133,754 miles
Fail 25 Jul 2012 133,754 miles

Parking brake: efficiency below requirements (3.7.C.1b)

Pass 3 Aug 2011 124,963 miles

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

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

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

Nearside Rear Lower Suspension arm has slight play in a ball joint (2.4.G.2)

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

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

Pass 3 Aug 2010 117,980 miles
Pass 31 Aug 2009 109,303 miles
Fail 31 Aug 2009 109,303 miles

Offside Track rod end ball joint has excessive play (2.2.B.1f)

Pass 2 Sep 2008 103,267 miles

advise slight play at o/s/f hub area

Pass 4 Sep 2007 94,974 miles
Fail 31 Aug 2007 94,974 miles

Offside Rear Shock absorber has a serious fluid leak (2.7.3)

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

Nearside Front brake disc slightly scored (3.5.1h)

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

Offside Front brake disc slightly scored (3.5.1h)

Pass 13 Jun 2006 94,882 miles

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

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

Pass 13 Jun 2005

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

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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R939 KSC is a 1998 Porsche 911 in Blue with a 3,400cc petrol engine. This vehicle has been through 26 MOT tests with a personal pass rate of 69.2%.

Across all 1998 Porsche 911 models, the average MOT pass rate is 80.5% with a typical mileage of 80,292 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 911 fails its MOT is tyre tread depth below requirements of 1.6mm, accounting for 20,869 recorded failures. If you're considering buying R939 KSC, 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 28 years old, this Porsche 911 is well into its expected lifespan but still has years ahead.

Frequently Asked Questions

How do I check the history of R939 KSC?

You can check the full history of R939 KSC by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was R939 KSC registered?

R939 KSC is a 1998 Porsche 911, first registered on 24 May 1998.

Is R939 KSC safe to buy?

The MOT history for R939 KSC shows 26 tests with a 69.2% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does R939 KSC 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 R939 KSC. 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.