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391 MHU

1979 Porsche 911

Blue Petrol 2993cc
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MOT Status

Valid
Expires11 Oct 2026
Tests27 (16 pass, 11 fail)
Pass rate59.3%

Mileage

114,461 mi
Last recorded114,461 miles
Recorded on8 Oct 2025
Typical for 1979 Porsche 911108,193 mi

Below or average mileage for this year

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

Registration391 MHU
MakePorsche
Model911
Year1979
ColourBlue
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

16 pass 11 fail
Pass 8 Oct 2025 114,461 miles
Pass 30 Sep 2024 114,385 miles
Pass 5 Oct 2023 114,298 miles
Fail 5 Oct 2023 114,298 miles

Nearside Front Direction indicator not working (4.4.1 (a) (ii))

Offside Windscreen washer not working (3.5 (a))

Pass 11 Oct 2022 114,231 miles

Nearside Front Wheel bearing has slight play (5.1.3 (a) (i))

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

Pass 11 Oct 2021 114,173 miles

Nearside Front Wheel bearing has slight play (5.1.3 (a) (i))

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

Fail 11 Oct 2021 114,173 miles

Nearside Front Wheel bearing has slight play (5.1.3 (a) (i))

Nearside Headlamp aim too low (4.1.2 (a))

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

Offside Headlamp aim too low (4.1.2 (a))

Pass 9 Oct 2020 114,042 miles

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

Fail 5 Oct 2020 114,042 miles

Exhaust emissions carbon monoxide content excessive (8.2.1.2 (b))

Nearside Rear Service brake excessively binding (1.2.1 (f))

Rear Brakes imbalanced across an axle Axle 2 (1.2.1 (b) (i))

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

Offside Rear Outer drive shaft gaiter clip insecure

Offside handbrake cable guide rubbing on driveshaft

Pass 17 Sep 2019 113,987 miles

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

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

Offside handbrake cable guide rubbing on driveshaft

Fail 16 Sep 2019 113,987 miles

Nearside Rear Passenger's seat backrest cannot be secured in the upright position. (6.2.6 (a) (i))

Offside Rear Passenger's seat backrest cannot be secured in the upright position. (6.2.6 (a) (i))

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

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

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

Offside handbrake cable guide rubbing on driveshaft

Pass 13 Sep 2018 113,739 miles

Steering column top bearing slightly worn (2.2.2 (b))

Pass 27 Sep 2017 113,493 miles

Nearside Front Headlamp deteriorated but light output not reduced (1.7.5a)

Offside Front Headlamp deteriorated but light output not reduced (1.7.5a)

Pass 12 Oct 2016 113,493 miles
Fail 31 Jul 2012 113,477 miles

Exhaust has a major leak of exhaust gases (7.1.2)

Offside Front Seat belt anchorage prescribed area is excessively corroded (5.2.6)

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

Oil leak

Wipers do not park automatically

Pass 22 Jul 2011 112,738 miles

RHF damper has slight play

RHR wheel bearing has play

Rear fog lamp innop

Fail 20 Jul 2011 112,738 miles

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

Nearside Windscreen washer provides insufficient washer liquid (8.2.3)

Offside Windscreen washer provides insufficient washer liquid (8.2.3)

RHF damper has slight play

RHR wheel bearing has play

Rear fog lamp innop

Fail 6 Jun 2011 112,738 miles

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

Offside Headlamp aim too high (1.8)

Parking brake lever has no reserve travel (3.1.6b)

Fuel pipe unions corroded

RHF Damper has slight play

RHR Wheel Bearing has play

Pass 27 May 2010 112,341 miles

Offside Rear wheel bearing has slight play (2.6.2)

front brake performance uneven at very low speed

n/s parking brake lower than o/s

only one rear seat belt fitted

rear fog light not working

under car and components rusty

Fail 24 May 2010 112,332 miles

Horn not working (1.6.2a)

Nearside Rear position lamp(s) excessively deteriorated so that it is not visible from a reasonable distance (1.1.A.3d)

Registration plate lamp not working (1.1.5c)

Offside Rear wheel bearing has slight play (2.6.2)

front brake performance uneven at very low speed

n/s parking brake lower than o/s

only one rear seat belt fitted

rear fog light not working

under car and components rusty

Pass 12 Jun 2009 111,827 miles

light unde rear bumper ?

under car and components rusty

Fail 3 Jun 2009 111,796 miles

Driver's door cannot be opened from inside the vehicle (6.2.B.1b)

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

Offside Statutory seat belt missing (5.1.1)

Rear passenger seat cannot be secured in the upright position. (6.2.3)

light unde rear bumper ?

under car and components rusty

Pass 11 Jun 2008 108,452 miles

Nearside Front Shock absorber has slight corrosion to the casing (2.7.2a)

offside rear brake backplate corroding

offside rear seat belt missing

rear foglight tale-tell light dim

Fail 30 May 2008 108,436 miles

Front passenger door cannot be opened from outside the vehicle (6.2.B.1b)

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

Offside rear brake binding (3.7.B.1)

rear foglight tale-tell light dim

offside rear seat belt missing

Nearside Front Shock absorber has slight corrosion to the casing (2.7.2a)

offside rear brake backplate corroding

Pass 29 May 2007 108,011 miles
Fail 24 May 2007 108,005 miles

Nearside Rear Tyre tread depth below requirements of 1.6mm (4.1.E.1)

Fuel pipe/s corroded

Nearside Front Shock absorber has slight corrosion to the casing (2.7.2a)

Pass 25 May 2006 107,507 miles

Nearside Inner Rear Seat belt anchorage prescribed area is corroded but not considered excessive (5.2.6)

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

fuel tank rusty

nearside rear outer drive shaft boot deteriorating

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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391 MHU is a 1979 Porsche 911 in Blue with a 2,993cc petrol engine. This vehicle has been through 27 MOT tests with a personal pass rate of 59.3%.

Across all 1979 Porsche 911 models, the average MOT pass rate is 75.1% with a typical mileage of 108,193 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 391 MHU, 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 47 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 391 MHU?

You can check the full history of 391 MHU by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was 391 MHU registered?

391 MHU is a 1979 Porsche 911, first registered on 1 August 1979.

Is 391 MHU safe to buy?

The MOT history for 391 MHU shows 27 tests with a 59.3% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does 391 MHU 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 391 MHU. 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.