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C928 JON

1991 Porsche 928 S

Grey Petrol 4957cc
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MOT Status

Valid
Expires26 Feb 2027
Tests22 (17 pass, 5 fail)
Pass rate77.3%

Mileage

114,792 mi
Last recorded114,792 miles
Recorded on20 Feb 2026
Typical for 1991 Porsche 928 S112,746 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

RegistrationC928 JON
MakePorsche
Model928 S
Year1991
ColourGrey
Fuel typePetrol
Engine4,957cc

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 5 fail
Pass 20 Feb 2026 114,792 miles
Pass 25 Feb 2025 114,395 miles
Pass 27 Feb 2024 113,621 miles

Nearside Rear Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii))

Offside Rear Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii))

Pass 7 Feb 2023 113,063 miles
Pass 8 Feb 2022 112,708 miles
Fail 26 Jan 2022 112,688 miles

Exhaust emissions carbon monoxide content excessive 9.7% ( max 3.5 % ) (8.2.1.2 (b))

Exhaust emissions hydrocarbon content excessive 2658 hc ( max 1200) (8.2.1.2 (b))

Nearside Front Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii))

Offside Front Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii))

Pass 15 May 2018 111,749 miles

Nearside Front Side repeater slightly discoloured (1.4.A.2f)

Offside Front Side repeater slightly discoloured (1.4.A.2f)

Rear both tyres slightly perished in main tread

Pass 30 May 2017 111,078 miles
Pass 10 Jun 2016 110,592 miles

FRONT WIPERS IN POOR CONDITION

Nearside Front Upper Suspension arm ball joint dust cover damaged, but preventing the ingress of dirt (2.4.G.2)

SLIGHT CORROSION TO THE FUEL PIPES

Fail 9 Jun 2016 110,592 miles

Fuel cap/sealing device sealing washer missing (7.2.4c)

Nearside Front Side repeater incorrect colour (1.4.A.2f)

Offside Front Side repeater incorrect colour (1.4.A.2f)

FRONT WIPERS IN POOR CONDITION

Nearside Front Upper Suspension arm ball joint dust cover damaged, but preventing the ingress of dirt (2.4.G.2)

SLIGHT CORROSION TO THE FUEL PIPES

Pass 9 Jan 2015 109,925 miles
Fail 9 Jan 2015 109,925 miles

Rear fog lamp not working (1.3.2b)

Pass 19 Nov 2013 109,125 miles
Pass 3 Oct 2012 108,716 miles

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

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

Play in steering rack inner joint(s)

Fail 26 Sep 2012 108,970 miles

Front Steering system has excessive free play detected at the steering wheel (steering rack fitted) (2.2.A.1b)

Under-trays fitted obscuring some underside components

Pass 26 Sep 2011 107,947 miles
Fail 19 Sep 2011 107,938 miles

Front Headlamp aim too high (1.8)

Nearside Front Steering system has excessive free play detected at the steering wheel (steering rack fitted) (2.2.A.1b)

Offside Front Headlamp aim too high (1.8)

Offside Front Headlamp insecure (1.7.3)

Pass 9 Sep 2010 106,532 miles

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

Rear Exhaust has a minor leak of exhaust gases (7.1.2)

Pass 19 Aug 2009 105,637 miles

Offside Rear Shock absorber has a light misting of oil (2.7.3)

Pass 10 May 2008 104,980 miles
Pass 9 Jun 2007 103,984 miles
Pass 4 Feb 2006 101,931 miles

How Reliable is the Porsche 928 S?

Based on 20,949 MOT tests across 1,961 vehicles.

75.6%
Pass Rate
700
Miles/Year
46
Year Lifespan
1,961
On UK Roads

Top MOT Failure Points

Windscreen washer provides insufficient washer liquid 751
Headlamp aim too low 593
fog lamp not working 553
Tyre tread depth below requirements of 1.6mm 531
Windscreen wiper does not clear the windscreen effectively 365
Full Porsche 928 S reliability report

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C928 JON is a 1991 Porsche 928 S in Grey with a 4,957cc petrol engine. This vehicle has been through 22 MOT tests with a personal pass rate of 77.3%.

Across all 1991 Porsche 928 S models, the average MOT pass rate is 77.1% with a typical mileage of 112,746 miles. This particular vehicle has performed better than the average for its year.

The most common reason a Porsche 928 S fails its MOT is windscreen washer provides insufficient washer liquid, accounting for 751 recorded failures. If you're considering buying C928 JON, it's worth having these areas checked by a mechanic before committing.

The Porsche 928 S typically stays on UK roads for around 46 years. At 35 years old, this Porsche 928 S is well into its expected lifespan but still has years ahead.

Frequently Asked Questions

How do I check the history of C928 JON?

You can check the full history of C928 JON by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was C928 JON registered?

C928 JON is a 1991 Porsche 928 S, first registered on 31 December 1991.

Is C928 JON safe to buy?

The MOT history for C928 JON shows 22 tests with a 77.3% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does C928 JON 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 C928 JON. 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.