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J363 UNC

1991 Porsche 911

Red Petrol 3300cc
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MOT Status

Valid
Expires8 Feb 2027
Tests22 (21 pass, 1 fail)
Pass rate95.5%

Mileage

104,456 mi
Last recorded104,456 miles
Recorded on24 Jan 2026
Typical for 1991 Porsche 91193,444 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

RegistrationJ363 UNC
MakePorsche
Model911
Year1991
ColourRed
Fuel typePetrol
Engine3,300cc

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 1 fail
Pass 24 Jan 2026 104,456 miles
Pass 1 Feb 2025 103,411 miles
Pass 27 Jan 2024 101,748 miles
Pass 9 Feb 2023 100,479 miles
Pass 24 Nov 2021 99,858 miles
Pass 26 Nov 2020 99,595 miles
Pass 27 Mar 2020 98,557 miles
Pass 16 Mar 2019 98,098 miles
Pass 26 Mar 2018 97,755 miles
Pass 20 Mar 2017 97,481 miles
Pass 19 Mar 2016 97,159 miles
Pass 28 Mar 2015 97,039 miles

Nail in offside front tyre

oil leak

rear suspention coil springs slightly corroded

Pass 17 Mar 2014 96,755 miles

Nearside Rear coil spring corroded (2.4.C.1b)

Offside Rear coil spring corroded (2.4.C.1b)

Oil leak

Pass 13 Feb 2013 96,618 miles

Both rear springs beginning to show signs of corrosion

Oil leak

Pass 18 Feb 2012 96,348 miles

Nearside Front brake disc worn, pitted or scored, but not seriously weakened (3.5.1i)

Offside Front brake disc worn, pitted or scored, but not seriously weakened (3.5.1i)

Offside Track rod end ball joint dust cover damaged, but preventing the ingress of dirt (2.2.C.1c)

Under-trays fitted obscuring some underside components

Pass 5 Feb 2011 95,625 miles
Pass 6 Feb 2010 94,896 miles
Pass 14 Feb 2009 94,165 miles
Pass 27 Feb 2008 93,414 miles
Pass 16 Feb 2007 90,340 miles

Windscreen has damage to an area less than a 40mm circle outside zone 'A' (8.3.1d)

Fail 17 Nov 2006 90,335 miles

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

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

both front tyres worn on inner edges

n/s & o/s rear flexi brake hose ferules corroded

n/s rear silencer corroded

Pass 15 Dec 2005 84,648 miles

both front brake discs slightly worn and corroded on inner faces

cut on inner edge of tread offside rear tyre

nearside headlamp glass cracked but not affecting beam image

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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J363 UNC is a 1991 Porsche 911 in Red with a 3,300cc petrol engine. This vehicle has been through 22 MOT tests with a personal pass rate of 95.5%.

Across all 1991 Porsche 911 models, the average MOT pass rate is 81.3% with a typical mileage of 93,444 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 J363 UNC, 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 35 years old, this Porsche 911 is well into its expected lifespan but still has years ahead.

Frequently Asked Questions

How do I check the history of J363 UNC?

You can check the full history of J363 UNC by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was J363 UNC registered?

J363 UNC is a 1991 Porsche 911, first registered on 1 August 1991.

Is J363 UNC safe to buy?

The MOT history for J363 UNC shows 22 tests with a 95.5% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does J363 UNC 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 J363 UNC. 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.