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YEL 725S

1977 Porsche 911

Black Petrol 2687cc
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MOT Status

Valid
Expires29 Apr 2027
Tests16 (10 pass, 6 fail)
Pass rate62.5%

Mileage

88,493 mi
Last recorded88,493 miles
Recorded on30 Apr 2026
Typical for 1977 Porsche 911101,755 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

RegistrationYEL 725S
MakePorsche
Model911
Year1977
ColourBlack
Fuel typePetrol
Engine2,687cc

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

10 pass 6 fail
Pass 30 Apr 2026 88,493 miles
Pass 19 Feb 2022 85,837 miles

offside front inner wheel arch/tub section corroded through at rear most part behind oil cooler pipes

various surface corrosion started under vehicle

Pass 18 May 2015 85,268 miles

Front registration plate delaminated but not likely to be misread (6.3.1d)

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

Pass 15 Aug 2013 85,110 miles

Body has slight corrosion (6.1.B.2)

Nearside Steering system has slight free play detected at steering wheel (2.2.A.1b)

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

slight noise front wheel bearings

Fail 9 Aug 2013 85,110 miles

Nearside Rear Anti-roll bar has excessive play in a pin/bush (2.4.G.2)

Nearside front brake application uneven (3.7.B.2)

Offside front brake application uneven (3.7.B.2)

Offside rear brake application uneven (3.7.B.2)

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

Windscreen washer provides insufficient washer liquid (8.2.3)

Body has slight corrosion (6.1.B.2)

Nearside Steering system has slight free play detected at steering wheel (2.2.A.1b)

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

slight noise front wheel bearings

Fail 8 Aug 2012 85,074 miles

Front registration plate insecure (6.3.1b)

Nearside Headlamp aim too low and too far to the right. (1.8)

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

Nearside Rear Anti-roll bar rubber mounting deteriorated resulting in excessive movement (2.4.G.2)

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

Offside Headlamp aim too low (1.8)

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

o/s rear disc rusting

oil cooler pipes insecure o/s inner wing

surface rust both front inner wings

Pass 8 Aug 2012 85,074 miles

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

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

o/s rear disc rusting

oil cooler pipes insecure o/s inner wing

surface rust both front inner wings

Pass 25 Aug 2011 84,877 miles
Fail 25 Aug 2011 84,877 miles

Nearside Rear Anti-roll bar rubber bush deteriorated resulting in excessive movement (2.4.G.2)

Pass 9 Sep 2010 84,708 miles
Fail 9 Sep 2010 84,708 miles

Nearside Rear Anti-roll bar has excessive play in a pin/bush (2.4.G.2)

Pass 3 Dec 2008 83,506 miles

Nearside Rear Anti-roll bar rubber bush deteriorated but not resulting in excessive movement (2.4.G.2)

Offside Rear Anti-roll bar rubber bush deteriorated but not resulting in excessive movement (2.4.G.2)

Fail 3 Dec 2008 83,506 miles

Nearside Headlamp aim too high (1.8)

Nearside Rear Anti-roll bar rubber bush deteriorated but not resulting in excessive movement (2.4.G.2)

Offside Headlamp aim too low (1.8)

Offside Rear Anti-roll bar rubber bush deteriorated but not resulting in excessive movement (2.4.G.2)

Pass 26 Oct 2007 82,807 miles
Fail 26 Oct 2007 82,807 miles

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

Pass 6 Nov 2006 81,575 miles

Nearside Inner Front brake disc slightly pitted (3.5.1h)

Nearside Inner Rear brake disc slightly pitted (3.5.1h)

Offside Inner Front brake disc slightly pitted (3.5.1h)

Offside Inner Rear brake disc slightly pitted (3.5.1h)

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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YEL 725S is a 1977 Porsche 911 in Black with a 2,687cc petrol engine. This vehicle has been through 16 MOT tests with a personal pass rate of 62.5%.

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 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 YEL 725S, 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 YEL 725S?

You can check the full history of YEL 725S by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was YEL 725S registered?

YEL 725S is a 1977 Porsche 911, first registered on 31 December 1977.

Is YEL 725S safe to buy?

The MOT history for YEL 725S shows 16 tests with a 62.5% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does YEL 725S 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 YEL 725S. 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.