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GNZ 606

1999 Porsche 911

Black Petrol 3400cc
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MOT Status

Valid
Expires18 Feb 2027
Tests30 (20 pass, 10 fail)
Pass rate66.7%

Mileage

79,563 mi
Last recorded79,563 miles
Recorded on19 Feb 2026
Typical for 1999 Porsche 91175,220 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

RegistrationGNZ 606
MakePorsche
Model911
Year1999
ColourBlack
Fuel typePetrol
Engine3,400cc

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 10 fail
Pass 19 Feb 2026 79,563 miles
Fail 16 Feb 2026 79,562 miles

Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c))

Exhaust carbon monoxide content after 2nd fast idle exceeds manufacturer's specified limits (8.2.1.2 (a))

Exhaust carbon monoxide content at idle exceeds manufacturer's specified limits (8.2.1.2 (b))

Offside Front Tyre fouling a part of the vehicle (5.2.3 (f))

Pass 11 Dec 2024 78,581 miles
Pass 15 Dec 2023 78,084 miles
Fail 15 Dec 2023 78,053 miles

Exhaust carbon monoxide content at idle exceeds manufacturer's specified limits (8.2.1.2 (b))

Pass 6 Dec 2022 76,794 miles

Nearside Rear Service brake fluctuating, but not excessively (1.2.1 (e))

Fail 6 Dec 2022 76,794 miles

Offside Front Position lamp not working (4.2.1 (a) (ii))

Nearside Rear Service brake fluctuating, but not excessively (1.2.1 (e))

Pass 14 Dec 2021 76,086 miles
Pass 30 Nov 2020 74,132 miles
Fail 27 Nov 2020 74,128 miles

Offside Front Side repeater incorrect colour (4.4.3 (a))

Fluid leaking continuously posing a serious risk to road safety (8.4.1 (a) (ii)) DANGEROUS

Nearside Front Headlamp aim too high (4.1.2 (a))

Nearside Rear Registration plate lamp inoperative in the case of multiple lamps or light sources (4.7.1 (b) (i))

Offside Front Headlamp aim too low (4.1.2 (a))

Pass 13 Sep 2019 73,274 miles
Pass 22 Aug 2018 71,873 miles
Fail 23 Jul 2018 71,859 miles

Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c))

Pass 11 Sep 2017 71,670 miles
Fail 11 Sep 2017 71,670 miles

Bonnet retaining device insecure (8.4.2)

Pass 18 Aug 2016 70,810 miles
Fail 18 Aug 2016 70,810 miles

Offside Headlamp not working on dipped beam (1.7.5a)

Pass 3 Sep 2015 69,647 miles
Pass 10 Sep 2014 67,365 miles

Engine covers fitted obscuring some components in the engine bay

Under-trays fitted obscuring some underside components

Pass 16 Aug 2013 65,386 miles

Engine covers fitted obscuring some components in the engine bay

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

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

Under-trays fitted obscuring some underside components

Fail 15 Aug 2013 65,369 miles

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

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

Offside Rear Tyre has a cut in excess of the requirements deep enough to reach the ply or cords (4.1.D.1a) DANGEROUS

Engine covers fitted obscuring some components in the engine bay

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

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

Under-trays fitted obscuring some underside components

Pass 10 Aug 2012 60,676 miles

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

Nearside Rear Direction indicator deteriorated, but still visible from a reasonable distance (1.4.A.2e)

Nearside Rear Rear position lamp(s) deteriorated, but still visible from a reasonable distance (1.1.A.3d)

Nearside Stop lamp deteriorated, but still visible from a reasonable distance (1.2.1d)

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

Pass 9 Aug 2011 55,158 miles

Nearside Front Anti-roll bar linkage has slight play in a ball joint (2.4.G.2)

Offside Front Anti-roll bar linkage has slight play in a ball joint (2.4.G.2)

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

Fail 9 Aug 2011 55,154 miles

Front registration plate character(s) incorrectly spaced (6.3.4a)

Rear registration plate character(s) incorrectly spaced (6.3.4a)

Offside Front Windscreen washer provides insufficient washer liquid (8.2.3) DANGEROUS

Nearside Front Anti-roll bar linkage has slight play in a ball joint (2.4.G.2)

Offside Front Anti-roll bar linkage has slight play in a ball joint (2.4.G.2)

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

Pass 9 Aug 2010 49,633 miles

Oil leak

Fail 5 Aug 2010 49,633 miles

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

Offside Rear Anti-roll bar linkage has excessive play in a ball joint (2.4.G.2)

Offside Windscreen washer provides insufficient washer liquid (8.2.3)

Oil leak

Pass 7 Aug 2009 47,895 miles
Pass 6 May 2008 44,345 miles
Pass 1 Mar 2007 39,665 miles
Pass 9 Mar 2006 33,078 miles

Very large nail in nearside rear tyre.

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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GNZ 606 is a 1999 Porsche 911 in Black with a 3,400cc petrol engine. This vehicle has been through 30 MOT tests with a personal pass rate of 66.7%.

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 GNZ 606, 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 GNZ 606?

You can check the full history of GNZ 606 by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was GNZ 606 registered?

GNZ 606 is a 1999 Porsche 911, first registered on 12 March 1999.

Is GNZ 606 safe to buy?

The MOT history for GNZ 606 shows 30 tests with a 66.7% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does GNZ 606 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 GNZ 606. 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.