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C4 DGX

1999 Porsche 911

Blue Petrol 3387cc
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MOT Status

Valid
Expires3 Mar 2027
Tests28 (20 pass, 8 fail)
Pass rate71.4%

Mileage

106,412 mi
Last recorded106,412 miles
Recorded on4 Mar 2026
Typical for 1999 Porsche 91175,220 mi

Significantly above average — investigate

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

RegistrationC4 DGX
MakePorsche
Model911
Year1999
ColourBlue
Fuel typePetrol
Engine3,387cc

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

20 pass 8 fail
Pass 4 Mar 2026 106,412 miles
Pass 31 Jan 2025 105,800 miles

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

Nearside Rear Nail in tyre ()

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

Reverse lamps inoperative/not testable

Pass 2 Feb 2024 101,926 miles

Nearside Brake pipe corroded, covered in grease or other material front to rear (1.1.11 (c))

Offside Brake pipe corroded, covered in grease or other material Front to rear (1.1.11 (c))

Pass 6 Feb 2023 99,491 miles

Offside Rear Coolant leak ()

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

Pass 27 Aug 2021 96,316 miles
Fail 7 Jul 2021 96,245 miles

Offside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii))

Pass 13 Oct 2020 94,365 miles

Headlamp lens slightly defective both sides (4.1.1 (b) (i))

Offside Exhaust has a minor leak of exhaust gases clamp corroded (6.1.2 (a))

Pass 28 May 2019 90,681 miles

Front Brake pad(s) wearing thin (1.1.13 (a) (ii))

Horn not working properly (7.7 (a) (i))

Offside Front Electrical wiring insecure (4.11 (a) (i))

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

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

Rear Registration plate deteriorated but not likely to be misread (0.1 (b))

reverse lights don't work

Fail 28 May 2019 90,681 miles

Bonnet primary retaining device ineffective (3.1 (c))

Horn not working (7.7 (a) (ii))

Front Brake pad(s) wearing thin (1.1.13 (a) (ii))

Offside Front Electrical wiring insecure (4.11 (a) (i))

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

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

Rear Registration plate deteriorated but not likely to be misread (0.1 (b))

reverse lights don't work

Pass 25 May 2018 87,943 miles

front tyres perishing

under trays fitted

Fail 21 May 2018 87,907 miles

Nearside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii))

Offside Front Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii))

Windscreen washer not working (3.5 (a))

front tyres perishing

under trays fitted

Pass 22 May 2017 87,303 miles

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

front brakes binding

Pass 25 May 2016 86,320 miles
Fail 16 May 2016 86,265 miles

Nearside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc (2.5.C.1a)

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

Pass 18 May 2015 85,084 miles
Pass 27 May 2014 84,202 miles
Pass 21 May 2013 83,186 miles

Engine covers fitted obscuring some components in the engine bay

Nearside Front Anti-lock braking system component slightly damaged (3.4.2)

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

Under-trays fitted obscuring some underside components

Fail 14 May 2013 83,179 miles

Nearside Headlamp cleaning device inoperative (1.7.2)

Offside Headlamp cleaning device inoperative (1.7.2)

Windscreen washer provides insufficient washer liquid (8.2.3)

Engine covers fitted obscuring some components in the engine bay

Nearside Front Anti-lock braking system component slightly damaged (3.4.2)

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

Under-trays fitted obscuring some underside components

Pass 14 May 2012 82,553 miles
Fail 14 May 2012 82,553 miles

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

Pass 1 Jun 2011 81,577 miles

Offside Rear Direction indicator slightly discoloured (1.4.A.2f)

fron tyres wearing inner edges

rear tyres close to legal limit

wipers not clearing screen very well

Pass 15 Mar 2010 79,764 miles

nearside and offside front tyre close to legal limit

Pass 2 Apr 2009 77,379 miles
Fail 30 Mar 2009 77,379 miles

Brake pipe excessively corroded (3.6.B.2c)

Offside Front Brake pipe excessively corroded (3.6.B.2c)

Pass 4 Aug 2008 76,972 miles

both front and rear tyre treads low---o/s/front metal brake pipe rusty-

Pass 1 Aug 2007 72,096 miles

Dust boot split on upper ball joint of offside front anti-roll bar link

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

Offside Outer Front Brake pipe slightly corroded (3.6.B.2c)

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

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

Fail 28 Jul 2007 71,950 miles

Offside Registration plate lamp not working (1.1.5c)

Dust boot split on upper ball joint of offside front anti-roll bar link

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

Offside Outer Front Brake pipe slightly corroded (3.6.B.2c)

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

Parking brake: parking brake efficiency only just met. It would appear that the braking system requires adjustment or repair. (3.7.C.1b)

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

Pass 1 Aug 2006 67,814 miles

Dust boot detached from top ball joint of offside front anti-roll bar link

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 DGX is a 1999 Porsche 911 in Blue with a 3,387cc petrol engine. This vehicle has been through 28 MOT tests with a personal pass rate of 71.4%.

Across all 1999 Porsche 911 models, the average MOT pass rate is 80.2% with a typical mileage of 75,220 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 C4 DGX, 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 27 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 DGX?

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

What year was C4 DGX registered?

C4 DGX is a 1999 Porsche 911, first registered on 16 July 1999.

Is C4 DGX safe to buy?

The MOT history for C4 DGX shows 28 tests with a 71.4% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does C4 DGX 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 DGX. 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.