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21 SML

1988 Porsche 911

Red Petrol 3164cc
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MOT Status

Valid
Expires19 May 2027
Tests24 (18 pass, 6 fail)
Pass rate75%

Mileage

132,409 mi
Last recorded132,409 miles
Recorded on20 May 2026
Typical for 1988 Porsche 91193,142 mi

Significantly above average — investigate

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

Registration21 SML
MakePorsche
Model911
Year1988
ColourRed
Fuel typePetrol
Engine3,164cc

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

18 pass 6 fail
Pass 20 May 2026 132,409 miles
Pass 13 Mar 2025 131,749 miles
Pass 20 Feb 2024 131,083 miles
Pass 18 Mar 2023 130,251 miles
Pass 9 Mar 2022 129,908 miles
Pass 15 Jan 2021 128,807 miles
Pass 16 May 2019 126,645 miles

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

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

Fail 9 May 2019 126,617 miles

Offside Front Service brake excessively binding (1.2.1 (f))

Offside Rear Service brake excessively binding (1.2.1 (f))

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

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

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

Pass 15 May 2018 126,057 miles
Fail 26 Apr 2018 126,054 miles

Windscreen washer provides insufficient washer liquid (8.2.3)

Nearside Rear Outer 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)

Offside Rear Inner 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)

Rear fog lamp not working (1.3.2b)

Pass 15 Apr 2017 124,805 miles

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

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

Pass 5 Feb 2016 123,273 miles
Pass 5 Jul 2014 122,973 miles

both rear tyres close to legal limit

wear to front brake pads

wear to front tyres inner edges

Pass 23 May 2013 122,616 miles
Fail 13 May 2013 122,616 miles

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

Pass 21 May 2012 121,505 miles

Offside Front Front wheel bearing has slight play (2.5.A.3c)

offside rear outer drive boot split

slight wear to both front tyre on inner edges

Pass 31 May 2011 120,446 miles

Brakes imbalanced requirements only just met. It would appear that the braking system requires adjustment or repair. (3.7.B.5b)

condition of offside rear outer drive boot

play to offside front wheel bearing

security of offside front brake pipe

Pass 10 May 2010 119,646 miles

Nearside rear brake juddering slightly (3.7.A.5b)

corrosion to offside rear anti roll bar mount

offside rear drive boot split

unable to fully inspect both front wheels due to binding of brakes

Fail 27 Apr 2010 119,612 miles

Nearside front brake binding (3.7.B.1)

Offside Exhaust has a major leak of exhaust gases (7.1.2)

Offside front brake binding (3.7.B.1)

Nearside rear brake juddering slightly (3.7.A.5b)

corrosion to offside rear anti roll bar mount

offside rear drive boot split

unable to fully inspect both front wheels due to binding of brakes

Pass 22 May 2008 118,297 miles
Fail 7 Jun 2007 116,778 miles

Front Windscreen washer provides insufficient washer liquid (8.2.3)

Rear Brake pad(s) wearing thin (3.5.1g)

Pass 7 Jun 2007 116,778 miles

Rear Brake pad(s) wearing thin (3.5.1g)

Pass 1 Jun 2006 115,401 miles
Fail 11 May 2006 115,378 miles

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

Nearside Rear rear brake binding (3.7.B.1)

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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21 SML is a 1988 Porsche 911 in Red with a 3,164cc petrol engine. This vehicle has been through 24 MOT tests with a personal pass rate of 75%.

Across all 1988 Porsche 911 models, the average MOT pass rate is 81.1% with a typical mileage of 93,142 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 21 SML, 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 38 years old, this Porsche 911 is approaching the upper end of the typical lifespan for this model.

Frequently Asked Questions

How do I check the history of 21 SML?

You can check the full history of 21 SML by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was 21 SML registered?

21 SML is a 1988 Porsche 911, first registered on 1 August 1988.

Is 21 SML safe to buy?

The MOT history for 21 SML shows 24 tests with a 75% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does 21 SML 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 21 SML. 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.