CarVerify

Free Car Check

H550 NGM

1991 Porsche 928

Red Petrol 4957cc
Search another vehicle

MOT Status

Valid
Expires2 Sep 2026
Tests15 (12 pass, 3 fail)
Pass rate80%

Mileage

26,755 mi
Last recorded26,755 miles
Recorded on3 Sep 2025
Typical for 1991 Porsche 928104,798 mi

Below or average mileage for this year

4 checks still locked for this Porsche
Stolen
Finance
Write-off
Keepers
Unlock full report — £4.99
Instant £30k guarantee
or single check £9.99

Not all car check providers offer a guarantee. Don't risk buying from services that can't back their data. CarVerify reports include a £30,000 finance data guarantee.

Vehicle Details

RegistrationH550 NGM
MakePorsche
Model928
Year1991
ColourRed
Fuel typePetrol
Engine4,957cc

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

12 pass 3 fail
Pass 3 Sep 2025 26,755 miles
Pass 23 Nov 2023 26,374 miles
Pass 6 Jan 2022 26,063 miles

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

Nearside Rear Coil spring corroded (5.3.1 (b) (i))

Nearside Rear Seat belt webbing slightly damaged or frayed (7.1.2 (b) (ii))

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

Offside Rear Coil spring corroded (5.3.1 (b) (i))

Fail 5 Jan 2022 26,063 miles

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

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

Nearside Rear Coil spring corroded (5.3.1 (b) (i))

Nearside Rear Seat belt webbing slightly damaged or frayed (7.1.2 (b) (ii))

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

Offside Rear Coil spring corroded (5.3.1 (b) (i))

Pass 13 Jun 2019 25,996 miles
Pass 25 May 2018 25,240 miles
Pass 16 May 2016 24,665 miles

Nearside Front Valve stem slightly damaged (4.1.D.1e)

Offside Front Valve stem slightly damaged (4.1.D.1e)

Fail 16 May 2016 24,665 miles

Nearside Front Valve stem slightly damaged (4.1.D.1e)

Nearside Headlamp aim too low (1.8)

Offside Front Valve stem slightly damaged (4.1.D.1e)

Offside Headlamp aim too low (1.8)

Pass 27 May 2015 24,186 miles

Centre Exhaust has a minor leak of exhaust gases (7.1.2)

Fail 26 May 2015 24,186 miles

Fuel system component leaking (7.2.3)

Centre Exhaust has a minor leak of exhaust gases (7.1.2)

Pass 28 May 2014 23,065 miles
Pass 10 May 2013 22,301 miles
Pass 10 May 2012 21,955 miles
Pass 14 May 2011 20,413 miles
Pass 6 May 2010 17,318 miles

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

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 worn, pitted or scored, but not seriously weakened (3.5.1i)

front tyres carcking up on outer walls

How Reliable is the Porsche 928?

Based on 7,969 MOT tests across 782 vehicles.

77.0%
Pass Rate
680
Miles/Year
48
Year Lifespan
782
On UK Roads

Top MOT Failure Points

Exhaust emissions Lambda reading after 2nd fast idle outside specified limits 243
Windscreen washer provides insufficient washer liquid 239
Headlamp aim too low 162
Tyre tread depth below requirements of 1.6mm 153
fog lamp not working 123
Full Porsche 928 reliability report

Don't risk it. Know before you buy.

Not all vehicle check providers are the same. Some don't offer a data guarantee, which means if their information is wrong, you're on your own. Every CarVerify report is backed by a £30,000 finance data guarantee.

£30k guarantee Instant results Cancel anytime

H550 NGM is a 1991 Porsche 928 in Red with a 4,957cc petrol engine. This vehicle has been through 15 MOT tests with a personal pass rate of 80%.

Across all 1991 Porsche 928 models, the average MOT pass rate is 80.4% with a typical mileage of 104,798 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 928 fails its MOT is exhaust emissions lambda reading after 2nd fast idle outside specified limits, accounting for 243 recorded failures. If you're considering buying H550 NGM, it's worth having these areas checked by a mechanic before committing.

The Porsche 928 typically stays on UK roads for around 48 years. At 35 years old, this Porsche 928 is well into its expected lifespan but still has years ahead.

Frequently Asked Questions

How do I check the history of H550 NGM?

You can check the full history of H550 NGM by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was H550 NGM registered?

H550 NGM is a 1991 Porsche 928, first registered on 31 December 1991.

Is H550 NGM safe to buy?

The MOT history for H550 NGM shows 15 tests with a 80% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does H550 NGM 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 H550 NGM. 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.