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R991 SES

1998 Porsche 911

Blue Petrol 3400cc
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MOT Status

Expired
Expires8 Jun 2026
Tests20 (17 pass, 3 fail)
Pass rate85%

Mileage

123,090 mi
Last recorded123,090 miles
Recorded on9 Jun 2025
Typical for 1998 Porsche 91180,292 mi

Significantly above average — investigate

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

RegistrationR991 SES
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

17 pass 3 fail
Pass 9 Jun 2025 123,090 miles

Nearside Rear Suspension arm ball joint has slight play trail arm (5.3.4 (a) (i))

Offside Rear Suspension arm ball joint has slight play trail arm (5.3.4 (a) (i))

Pass 31 Jul 2024 119,704 miles

Offside Rear Shock absorbers has light misting of oil (5.3.2 (b))

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

Pass 13 Jul 2023 116,808 miles
Pass 1 Jul 2022 110,405 miles

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

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

Pass 9 Apr 2021 103,570 miles
Pass 27 Mar 2020 93,621 miles
Pass 13 Mar 2019 89,551 miles
Pass 20 Mar 2018 83,648 miles
Pass 23 Jun 2017 83,622 miles
Pass 21 Jun 2016 82,395 miles
Fail 17 Jun 2016 82,395 miles

Nearside Front Brake pipe inadequately clipped (3.6.B.1)

Offside Front Brake pipe inadequately clipped (3.6.B.1)

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

Pass 28 Apr 2015 80,671 miles

Nearside Rear 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 11 Feb 2014 78,304 miles

Engine covers fitted obscuring some components in the engine bay

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

Under-trays fitted obscuring some underside components

vehicle undersealed in places

Pass 8 Sep 2010 77,096 miles
Fail 30 Aug 2010 77,095 miles

Brake pipe excessively corroded (3.6.B.2c)

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

Exhaust emissions carbon monoxide content after 2nd fast idle excessive (7.3.D.3)

Exhaust emissions hydrocarbon content after 2nd fast idle excessive (7.3.D.3)

Front brake disc in such a condition that it is seriously weakened (3.5.1i)

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

Nearside Front Front suspension has excessive play in a lower suspension ball joint (2.5.B.1a)

Nearside Front Suspension arm rubber bush deteriorated resulting in excessive movement (2.4.G.2)

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

Nearside Rear Exhaust has a major leak of exhaust gases (7.1.2)

Nearside Rear Registration plate lamp not working (1.1.C.1d)

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

Pass 17 Mar 2009 72,157 miles
Fail 7 Mar 2009 72,150 miles

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

Nearside Front Anti-roll bar linkage has excessive play in a ball joint (2.4.G.2)

Nearside Rear Anti-roll bar linkage has excessive play in a ball joint (2.4.G.2)

Nearside Rear brake disc excessively pitted (3.5.1h)

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

Pass 18 Aug 2007 69,308 miles
Pass 8 Jul 2006 66,414 miles

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

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 29 Jul 2005 62,990 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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R991 SES is a 1998 Porsche 911 in Blue with a 3,400cc petrol engine. This vehicle has been through 20 MOT tests with a personal pass rate of 85%.

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 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 R991 SES, 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 R991 SES?

You can check the full history of R991 SES by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was R991 SES registered?

R991 SES is a 1998 Porsche 911, first registered on 31 December 1998.

Is R991 SES safe to buy?

The MOT history for R991 SES shows 20 tests with a 85% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does R991 SES 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 R991 SES. 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.