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GSK 805S

1978 Porsche 911

Red Petrol 2993cc
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MOT Status

Valid
Expires9 Apr 2027
Tests12 (9 pass, 3 fail)
Pass rate75%

Mileage

122,126 mi
Last recorded122,126 miles
Recorded on10 Apr 2026
Typical for 1978 Porsche 91189,745 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

RegistrationGSK 805S
MakePorsche
Model911
Year1978
ColourRed
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

9 pass 3 fail
Pass 10 Apr 2026 122,126 miles
Pass 5 Sep 2024 121,752 miles
Pass 5 Sep 2023 117,115 miles
Pass 2 Sep 2022 115,289 miles
Pass 1 Sep 2021
Pass 2 Sep 2020 116,312 miles
Pass 15 Aug 2019
Pass 15 Aug 2018 114,921 miles

Nearside Rear Brake pad(s) wearing thin (1.1.13 (a) (ii))

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

Offside Rear Brake pad(s) wearing thin (1.1.13 (a) (ii))

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

Fail 15 Aug 2018 114,921 miles

Nearside Front Position lamp not working (4.2.1 (a))

Nearside Rear Brake pad(s) wearing thin (1.1.13 (a) (ii))

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

Nearside Windscreen wiper does not clear the windscreen effectively (3.4 (b) (ii))

Offside Rear Brake pad(s) wearing thin (1.1.13 (a) (ii))

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

Offside Windscreen wiper does not clear the windscreen effectively (3.4 (b) (ii))

Registration plate lamp inoperative in the case of a single lamp or all lamps (4.7.1 (b) (ii))

Pass 11 Aug 2012 114,047 miles

Offside Rear wheel bearing has slight play (2.6.2)

Parking brake: parking brake efficiency only just met. It would appear that the braking system requires adjustment or repair. (3.7.B.7)

slight binding on N/S/R brake

Fail 28 Jul 2012 114,019 miles

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

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

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

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

Offside Rear Rear wheel bearing has excessive play (2.6.2) DANGEROUS

Play in steering rack inner joint(s)

binding to n/s/r wheel

o/s rear fog light u/s

Fail 7 Jul 2012 113,985 miles

Front Windscreen washer provides insufficient washer liquid (8.2.3)

Front registration plate character(s) incorrectly spaced (6.3.4a)

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

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

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

Rear registration plate character(s) incorrectly spaced (6.3.4a)

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

general corrosion

slight play in o/s/f steering

slight play in o/s/r wheel bearing ?

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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GSK 805S is a 1978 Porsche 911 in Red with a 2,993cc petrol engine. This vehicle has been through 12 MOT tests with a personal pass rate of 75%.

Across all 1978 Porsche 911 models, the average MOT pass rate is 77.2% with a typical mileage of 89,745 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 GSK 805S, 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 48 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 GSK 805S?

You can check the full history of GSK 805S by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was GSK 805S registered?

GSK 805S is a 1978 Porsche 911, first registered on 27 September 1978.

Is GSK 805S safe to buy?

The MOT history for GSK 805S shows 12 tests with a 75% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does GSK 805S 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 GSK 805S. 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.