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C4 KSM

1990 Porsche 911

Blue Petrol 3600cc
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MOT Status

Valid
Expires30 Apr 2027
Tests25 (21 pass, 4 fail)
Pass rate84%

Mileage

207,618 mi
Last recorded207,618 miles
Recorded on1 May 2026
Typical for 1990 Porsche 91199,078 mi

Significantly above average — investigate

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

RegistrationC4 KSM
MakePorsche
Model911
Year1990
ColourBlue
Fuel typePetrol
Engine3,600cc

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 4 fail
Pass 1 May 2026 207,618 miles

Fuel Pipe/s corroded ()

Offside Front Play in steering rack inner joint(s) ()

Pass 11 Apr 2025 207,618 miles

Offside Front Play in steering rack inner joint(s) ()

Rear Brake disc worn, pitted or scored, but not seriously weakened (1.1.14 (a) (ii))

Fail 9 Apr 2025 207,618 miles

Nearside Headlamp aim too high (4.1.2 (a))

Nearside Rear Integral body structure corroded to the extent that the rigidity of the assembly is significantly reduced (6.1.1 (c) (i))

Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c))

Rear fog lamp not working (4.5.1 (a) (ii))

Rear fog lamp switch not operating in accordance with the requirements (4.5.3 (a))

Battery insecure but not likely to fall from carrier (4.13 (a) (i))

Offside Headlamp lens slightly defective (4.1.1 (b) (i))

Offside Play in steering rack inner joint(s) ()

Rear Brake disc worn, pitted or scored, but not seriously weakened (1.1.14 (a) (ii))

Pass 18 Apr 2024 207,618 miles
Pass 19 Apr 2023 207,618 miles

slight play on nearside and offside front, possible bottom ball joint

Pass 20 Apr 2022 207,618 miles

Oil leak, but not excessive (8.4.1 (a) (i))

Rear Anti-roll bar corroded but not seriously weakened (5.3.3 (b) (i))

Rear Inner Brake disc worn, pitted or scored, but not seriously weakened n/s and o/s (1.1.14 (a) (ii))

Pass 6 Apr 2021 207,618 miles
Pass 24 Mar 2020 207,557 miles

Offside Front Anti-roll bar linkage pin or bush worn but not resulting in excessive movement (5.3.4 (a) (i))

Pass 10 Apr 2019 206,678 miles
Fail 19 Mar 2019 206,664 miles

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

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

Parking brake efficiency below requirements (1.4.2 (a) (i))

Nearside Front Tyre tread depth below requirements of 1.6mm (5.2.3 (e)) DANGEROUS

Nearside Front Brake disc worn, pitted or scored, but not seriously weakened (1.1.14 (a) (ii))

Nearside Rear Nail in tyre ()

Nearside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e))

Offside Front Brake disc worn, pitted or scored, but not seriously weakened (1.1.14 (a) (ii))

Offside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))

Offside Front Wheel bearing slightly noisy (5.1.3 (b) (i))

Offside Rear Parking brake efficiency low

Offside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e))

Pass 20 Mar 2018 205,209 miles

Front brake discs have light rust on insides.

Nearside Front tyre is wearing on edges.

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

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

Pass 15 Feb 2017 203,079 miles

Offside Rear Outer Drive shaft which forms part of the suspension coupling gaiter damaged, but preventing the ingress of dirt (2.4.G.4e)

Oil leak ()

Pass 29 Jan 2016 196,322 miles

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

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

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

corrosion to offside front wheel arch/wing

engine oil leak

front brake discs corroded

nearside rear brake backing plate missing

offside front light units cracked

rear light units cracked

Pass 7 Feb 2015 194,620 miles

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

Pass 3 Feb 2014 192,949 miles

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

Oil leak

Pass 16 Feb 2013 189,220 miles

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

Oil leak

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

Rear Metal Fuel Lines Slightly Corroded

Pass 23 Feb 2012 180,721 miles
Pass 18 Feb 2011 174,540 miles

FRONT NUMBER PLATE STARTING TO DETERIORATE

Fail 18 Feb 2011 174,540 miles

FRONT NUMBER PLATE STARTING TO DETERIORATE

Nearside Headlamp aim too high (1.8)

Offside Headlamp aim too low (1.8)

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

Pass 22 Feb 2010 169,014 miles

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

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

Rear brake disc slightly pitted (3.5.1h)

engine oil leak

Pass 24 Feb 2009 162,312 miles

engine oil leak

Fail 21 Feb 2009 162,278 miles

Rear Rear fog lamp not working (1.3.2b)

Nearside Front Brake hose bulging under pressure (3.6.B.3) DANGEROUS

engine oil leak

Pass 25 Feb 2008 148,725 miles

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

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

Rear Brake hose slightly deteriorated (3.6.B.4d)

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

sill / engine covers fitted

Pass 17 Feb 2007 137,462 miles
Pass 21 Feb 2006 131,372 miles

number plates starting to fade

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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C4 KSM is a 1990 Porsche 911 in Blue with a 3,600cc petrol engine. This vehicle has been through 25 MOT tests with a personal pass rate of 84%.

Across all 1990 Porsche 911 models, the average MOT pass rate is 81.7% with a typical mileage of 99,078 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 C4 KSM, 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 36 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 C4 KSM?

You can check the full history of C4 KSM by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was C4 KSM registered?

C4 KSM is a 1990 Porsche 911, first registered on 23 March 1990.

Is C4 KSM safe to buy?

The MOT history for C4 KSM shows 25 tests with a 84% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does C4 KSM 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 C4 KSM. 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.