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121 KO

1988 Porsche 928 S

Red Petrol 4957cc
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MOT Status

Valid
Expires14 Apr 2027
Tests10 (7 pass, 3 fail)
Pass rate70%

Mileage

51,164 mi
Last recorded51,164 miles
Recorded on15 Apr 2026
Typical for 1988 Porsche 928 S108,938 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

Registration121 KO
MakePorsche
Model928 S
Year1988
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

7 pass 3 fail
Pass 15 Apr 2026 51,164 miles
Pass 27 Aug 2025 50,860 miles
Fail 27 Oct 2021 50,859 miles

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

Nearside Windscreen washer provides insufficient washer liquid (3.5 (a))

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

Coolant leak ()

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

Fail 15 Jun 2017 50,858 miles

Nearside Rear Drive shaft which forms part of the suspension coupling gaiter damaged to the extent that it no longer prevents the ingress of dirt etc (2.4.G.4e)

Nearside Windscreen washer provides insufficient washer liquid (8.2.3)

Offside Rear Drive shaft which forms part of the suspension coupling gaiter damaged to the extent that it no longer prevents the ingress of dirt etc (2.4.G.4e)

Oil leak ()

Pass 14 Jun 2016 50,827 miles

Nearside Rear Outer cv gaiter damaged

Nearside screen washer not working but o/s jet cleaning n/s as well as o/s

Offside Rear Outer cv gaiter damaged

Pass 13 May 2015 50,381 miles

both rear c/v boots split

Pass 1 Jul 2014 50,295 miles

both rear outer drive shaft gaiters split

rear o/s axle mounting breaking up/splitting

Pass 6 Mar 2013 49,617 miles
Pass 13 Dec 2011 49,270 miles
Fail 8 Dec 2011 49,268 miles

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

Nearside Front Headlamp aim too low (1.8)

Offside Front Headlamp aim too low (1.8)

How Reliable is the Porsche 928 S?

Based on 20,949 MOT tests across 1,961 vehicles.

75.6%
Pass Rate
700
Miles/Year
46
Year Lifespan
1,961
On UK Roads

Top MOT Failure Points

Windscreen washer provides insufficient washer liquid 751
Headlamp aim too low 593
fog lamp not working 553
Tyre tread depth below requirements of 1.6mm 531
Windscreen wiper does not clear the windscreen effectively 365
Full Porsche 928 S reliability report

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121 KO is a 1988 Porsche 928 S in Red with a 4,957cc petrol engine. This vehicle has been through 10 MOT tests with a personal pass rate of 70%.

Across all 1988 Porsche 928 S models, the average MOT pass rate is 78.4% with a typical mileage of 108,938 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 S fails its MOT is windscreen washer provides insufficient washer liquid, accounting for 751 recorded failures. If you're considering buying 121 KO, it's worth having these areas checked by a mechanic before committing.

The Porsche 928 S typically stays on UK roads for around 46 years. At 38 years old, this Porsche 928 S is approaching the upper end of the typical lifespan for this model.

Frequently Asked Questions

How do I check the history of 121 KO?

You can check the full history of 121 KO by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was 121 KO registered?

121 KO is a 1988 Porsche 928 S, first registered on 30 December 1988.

Is 121 KO safe to buy?

The MOT history for 121 KO shows 10 tests with a 70% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does 121 KO 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 121 KO. 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.