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R99 DNO

1998 Porsche 911

Blue Petrol 3400cc
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MOT Status

Expired
Expires6 Aug 2026
Tests18 (14 pass, 4 fail)
Pass rate77.8%

Mileage

113,323 mi
Last recorded113,323 miles
Recorded on7 Aug 2025
Typical for 1998 Porsche 91180,292 mi

Significantly above average — investigate

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

RegistrationR99 DNO
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

14 pass 4 fail
Pass 7 Aug 2025 113,323 miles

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

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

Fail 30 Jun 2025 113,321 miles

Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b))

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

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

Fail 26 Jun 2025 113,317 miles

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

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

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

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

Pass 10 Jun 2024 112,131 miles

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

Pass 20 Sep 2022 111,814 miles

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

Pass 28 Jul 2021 111,520 miles

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

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

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

Pass 22 Jun 2017 106,991 miles

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

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

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 22 Feb 2016 102,630 miles

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

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

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)

body undersheilds and engine sheilds fitted obscuring some components

Fail 19 Feb 2016 102,630 miles

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

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

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

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)

body undersheilds and engine sheilds fitted obscuring some components

Fail 29 Jan 2016 102,618 miles

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

Exhaust emissions carbon monoxide content at idle excessive (7.3.D.4)

Exhaust has a major leak of exhaust gases on manifold (7.1.2)

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

wiper switch operates but appears to be very loose

Pass 26 Aug 2014 96,309 miles
Pass 31 Mar 2013 93,778 miles
Pass 1 Apr 2012 92,451 miles
Pass 15 Jan 2011 91,845 miles
Pass 23 Nov 2009 87,731 miles

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

Pass 8 Nov 2008 81,831 miles
Pass 15 Nov 2007 75,952 miles
Pass 2 Aug 2006 65,709 miles

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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R99 DNO is a 1998 Porsche 911 in Blue with a 3,400cc petrol engine. This vehicle has been through 18 MOT tests with a personal pass rate of 77.8%.

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 R99 DNO, 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 R99 DNO?

You can check the full history of R99 DNO by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was R99 DNO registered?

R99 DNO is a 1998 Porsche 911, first registered on 1 January 1998.

Is R99 DNO safe to buy?

The MOT history for R99 DNO shows 18 tests with a 77.8% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does R99 DNO 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 R99 DNO. 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.