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CWP 99S

1977 Porsche 911

White Petrol 2993cc
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MOT Status

Valid
Expires18 Nov 2026
Tests27 (21 pass, 6 fail)
Pass rate77.8%

Mileage

320,170 mi
Last recorded320,170 miles
Recorded on13 Nov 2025
Typical for 1977 Porsche 911101,755 mi

Significantly above average — investigate

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

RegistrationCWP 99S
MakePorsche
Model911
Year1977
ColourWhite
Fuel typePetrol
Engine2,993cc

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

21 pass 6 fail
Pass 13 Nov 2025 320,170 miles

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

floor and under body heavely undersealed

Pass 8 Nov 2024 319,038 miles

Brake pipe corroded, covered in grease or other material rear brake pipes greased / undersealed (1.1.11 (c))

Pass 16 Nov 2023 318,175 miles

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

Pass 16 Nov 2022 316,978 miles

Offside Rear Service brake binding but not excessively (1.2.1 (f))

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

Pass 19 Nov 2021 316,198 miles

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

Offside Rear Wheel bearing has slight play (5.1.3 (a) (i))

Play in steering rack inner joint(s) both rubber bushes starting to perish ()

Pass 13 Nov 2020 315,164 miles
Pass 18 Jun 2019 311,501 miles
Pass 13 Jun 2018 311,732 miles
Pass 19 Jun 2017 310,745 miles
Fail 19 Jun 2017 310,745 miles

Nearside Front Direction indicator not working (1.4.A.2c)

Offside Front position lamp(s) has less than 50% of the light sources illuminating (1.1.A.3b)

Pass 4 Jul 2016 308,911 miles
Pass 3 Jul 2015 308,072 miles
Pass 18 Jul 2014 307,090 miles

Offside Rear wheel bearing has slight play (2.6.2)

nearside rear wheel bearing has moderate play

offside front tyre starting to mishape on the inside edge

offside front tyre starting to wear low approximately 2-3mm

offside front wheel bearing has moderate play

Fail 14 Jul 2014 307,090 miles

Driver's seat insecure (6.2.A.1)

Nearside Front Subframe mounting prescribed area is excessively corroded (2.4.A.3)

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

Offside Front Brake back plate(s) securing device excessively deteriorated (3.5.1j)

Offside Front position lamp(s) not working (1.1.A.3b)

Offside Rear wheel bearing has slight play (2.6.2)

nearside rear wheel bearing has moderate play

offside front tyre starting to mishape on the inside edge

offside front tyre starting to wear low approximately 2-3mm

offside front wheel bearing has moderate play

Pass 26 Jul 2013 305,475 miles

Nearside Rear wheel bearing has slight play (2.6.2)

Windscreen has damage to an area less than a 10mm circle within zone 'A' (8.3.1a)

Fail 25 Jul 2013 305,475 miles

Nearside Headlamp aim beam image obviously incorrect (1.8.A.1b)

Nearside Headlamp not working on dipped beam (1.7.5a)

Offside Headlamp aim beam image obviously incorrect (1.8.A.1b)

Offside Headlamp not working on dipped beam (1.7.5a)

Offside Rear position lamp(s) adversely affected by the operation of another lamp (1.1.A.3f)

Nearside Rear wheel bearing has slight play (2.6.2)

Windscreen has damage to an area less than a 10mm circle within zone 'A' (8.3.1a)

Pass 20 Jul 2012 304,045 miles

Nearside Rear wheel bearing has slight play (2.6.2)

Offside Rear wheel bearing has slight play (2.6.2)

Windscreen has damage to an area less than a 10mm circle within zone 'A' (8.3.1a)

sill covers fitted

Fail 16 Jul 2012 304,045 miles

Horn not working (1.6.2a)

Nearside Front Suspension component mounting prescribed area is excessively corroded (2.4.A.3)

Offside Front Suspension component mounting prescribed area is excessively corroded (2.4.A.3)

Windscreen washer provides insufficient washer liquid (8.2.3)

Nearside Rear wheel bearing has slight play (2.6.2)

Offside Rear wheel bearing has slight play (2.6.2)

Windscreen has damage to an area less than a 10mm circle within zone 'A' (8.3.1a)

sill covers fitted

Pass 27 Jul 2011 302,634 miles

Offside Front wheel bearing has slight play (2.5.A.3c)

Windscreen has damage to an area less than a 10mm circle within zone 'A' (8.3.1a)

corrosion to nearside sill cover.

Pass 21 Jul 2010 301,672 miles

Front Brake pad(s) wearing thin (3.5.1g)

Nearside Rear wheel bearing has slight play (2.6.2)

Offside Rear wheel bearing has slight play (2.6.2)

Windscreen has damage to an area less than a 10mm circle within zone 'A' (8.3.1a)

heavy underseal in places of chassis making corrosion accessment difficult

Fail 20 Jul 2010 301,672 miles

Centre Braking system leaking (3.6.A.1)

Nearside Front Lower Suspension component mounting prescribed area is excessively corroded (2.4.A.3)

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

Front front brake recording little or no effort (3.7.B.5a) DANGEROUS

Rear rear brake recording little or no effort (3.7.B.5a) DANGEROUS

Front Brake pad(s) wearing thin (3.5.1g)

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

Nearside Rear wheel bearing has slight play (2.6.2)

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

Offside Rear wheel bearing has slight play (2.6.2)

Windscreen has damage to an area less than a 10mm circle within zone 'A' (8.3.1a)

heavy underseal in places of chassis making corrosion accessment difficult

Pass 24 Jul 2009 300,580 miles

moderate corrosion to n/s/r lower valence panel

small stone chip in windscreen o/s

Pass 25 Jul 2008 298,742 miles

Exhaust has a minor leak of exhaust gases (7.1.2)

Windscreen has damage to an area less than a 10mm circle within zone 'A' (8.3.1a)

slight play in o/s fronr ans both rear wheel bearings

Pass 18 Jul 2007 296,518 miles

front brake pads starting to wear low

moderate surface corrosion around rear chassis area

slight play in n/s/r and o/s/r wheel bearings

slight play in o/s/f wheel bearing and slightly noisy

stone chip in zone A of windscreen

Fail 17 Jul 2007 296,518 miles

Offside Rear Brake hose bulging under pressure (3.6.B.3)

front brake pads low

moderate corrosion to n/s/f brake pipe metal shroad

moderate play in rear of drivers seat

slight play in both rear wheel bearings

slight play in o/s/f wheel bearing and slightly noisy

stone chip in zone A of screen

Pass 26 Jul 2006 294,621 miles

Front Brake pad(s) wearing thin (3.5.1g)

Nearside Front Front wheel bearing has slight play (2.5.A.3c)

Nearside Rear Rear wheel bearing has slight play (2.6.2)

Offside Front Windscreen has damage to an area less than a 10mm circle within zone 'A' (8.3.1a)

surface corrosion on metal brake pipes. grease on pipes hindereing inspection

Pass 29 Jul 2005 263,523 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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CWP 99S is a 1977 Porsche 911 in White with a 2,993cc petrol engine. This vehicle has been through 27 MOT tests with a personal pass rate of 77.8%.

Across all 1977 Porsche 911 models, the average MOT pass rate is 76.2% with a typical mileage of 101,755 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 CWP 99S, 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 49 years old, this Porsche 911 is approaching the upper end of the typical lifespan for this model.

Frequently Asked Questions

How do I check the history of CWP 99S?

You can check the full history of CWP 99S by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was CWP 99S registered?

CWP 99S is a 1977 Porsche 911, first registered on 23 September 1977.

Is CWP 99S safe to buy?

The MOT history for CWP 99S shows 27 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 CWP 99S 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 CWP 99S. 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.