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IIL 788

1986 Porsche 911

Black Petrol 3164cc
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MOT Status

Valid
Expires6 May 2027
Tests19 (16 pass, 3 fail)
Pass rate84.2%

Mileage

174,484 mi
Last recorded174,484 miles
Recorded on7 May 2026
Typical for 1986 Porsche 91198,737 mi

Significantly above average — investigate

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

RegistrationIIL 788
MakePorsche
Model911
Year1986
ColourBlack
Fuel typePetrol
Engine3,164cc

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 3 fail
Pass 7 May 2026 174,484 miles
Pass 14 Oct 2024 173,592 miles
Pass 19 Oct 2023 172,707 miles
Pass 6 Dec 2022 172,680 miles
Pass 23 Dec 2021 172,680 miles
Fail 20 Apr 2018 172,678 miles

Exhaust emissions carbon monoxide content excessive (7.3.B.1a)

Exhaust emissions hydrocarbon content excessive (7.3.B.1b)

Nearside Front Windscreen washer provides insufficient washer liquid (8.2.3)

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

Offside Front Windscreen washer provides insufficient washer liquid (8.2.3)

Offside Rear Rear fog lamp not working (1.3.2b)

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

Nearside Front Brake hose slightly damaged (3.6.B.4d)

sill covers

Pass 5 Jan 2016 172,462 miles
Pass 19 Dec 2014 171,882 miles
Pass 6 Nov 2013 170,850 miles
Fail 5 Nov 2013 170,850 miles

Nearside Rear Exhaust has a major leak of exhaust gases (7.1.2)

Offside Rear fog lamp not working (1.3.2b)

Pass 21 Nov 2012 162,658 miles
Pass 9 Nov 2011 154,194 miles
Pass 17 Nov 2010 147,370 miles
Pass 17 Nov 2009 140,058 miles
Pass 15 Nov 2008 137,923 miles
Pass 21 Nov 2007 136,616 miles

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

Nearside Front brake disc slightly pitted (3.5.1h)

Offside Front brake disc slightly pitted (3.5.1h)

Offside Front wheel bearing has slight play (2.5.A.3c)

Fail 19 Nov 2007 136,616 miles

Nearside Registration plate lamp not working (1.1.5c)

Offside Headlamp aim too high (1.8)

Offside Windscreen wiper does not clear the windscreen effectively (8.2.2)

Windscreen washer provides insufficient washer liquid (8.2.3)

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

Nearside Front brake disc slightly pitted (3.5.1h)

Offside Front brake disc slightly pitted (3.5.1h)

Offside Front wheel bearing has slight play (2.5.A.3c)

Pass 19 Jul 2006 132,297 miles

rear brakes have a 36% imbalance

Pass 19 Jul 2005 127,445 miles

Both front tyres are wearing on the inner edges.

Both head lamps have stone chips in them but they are not affecting the beam pattern. †

Nearside Front brake disc slightly pitted (3.5.1h)

Offside Front brake disc slightly pitted (3.5.1h)

Offside Front wheel bearing has slight play (2.5.A.3c)

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

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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IIL 788 is a 1986 Porsche 911 in Black with a 3,164cc petrol engine. This vehicle has been through 19 MOT tests with a personal pass rate of 84.2%.

Across all 1986 Porsche 911 models, the average MOT pass rate is 78.2% with a typical mileage of 98,737 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 IIL 788, 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 40 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 IIL 788?

You can check the full history of IIL 788 by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was IIL 788 registered?

IIL 788 is a 1986 Porsche 911, first registered on 31 December 1986.

Is IIL 788 safe to buy?

The MOT history for IIL 788 shows 19 tests with a 84.2% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does IIL 788 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 IIL 788. 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.