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9711 BY

1988 Porsche 911

Blue Petrol 3164cc
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MOT Status

Valid
Expires8 Apr 2027
Tests23 (20 pass, 3 fail)
Pass rate87%

Mileage

87,316 mi
Last recorded87,316 miles
Recorded on31 Mar 2026
Typical for 1988 Porsche 91193,142 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

Registration9711 BY
MakePorsche
Model911
Year1988
ColourBlue
Fuel typePetrol
Engine3,164cc

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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 3 fail
Pass 31 Mar 2026 87,316 miles
Pass 9 Apr 2025 86,910 miles
Pass 26 Mar 2024 86,435 miles
Pass 4 Apr 2023 86,095 miles
Pass 13 Jan 2022 85,656 miles
Pass 29 Jan 2021 85,257 miles
Pass 10 Jan 2020 84,874 miles
Pass 16 Jan 2019 84,511 miles
Pass 16 Jan 2018 84,187 miles
Pass 10 Jan 2017 83,780 miles
Pass 8 Jan 2016 83,342 miles
Pass 8 Jan 2015 82,810 miles

N/S/R outer CV boot split.

Pass 9 Jan 2014 81,611 miles
Fail 9 Jan 2014 81,611 miles

Nearside Stop lamp not working (1.2.1b)

Fail 9 Jan 2013 79,713 miles

Offside Headlamp aim too far to the right (1.8)

Pass 9 Jan 2013 79,713 miles
Pass 9 Jan 2012 78,035 miles

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

Fail 9 Jan 2012 78,035 miles

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

Offside Headlamp aim too low (1.8)

Pass 20 Jan 2011 76,063 miles
Pass 18 Jan 2010 72,659 miles
Pass 27 Jan 2009 71,038 miles
Pass 18 Jan 2008 69,577 miles
Pass 10 Jan 2007 67,929 miles

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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9711 BY is a 1988 Porsche 911 in Blue with a 3,164cc petrol engine. This vehicle has been through 23 MOT tests with a personal pass rate of 87%.

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 performed better than the average for its year.

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 9711 BY, 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 9711 BY?

You can check the full history of 9711 BY by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was 9711 BY registered?

9711 BY is a 1988 Porsche 911, first registered on 1 October 1988.

Is 9711 BY safe to buy?

The MOT history for 9711 BY shows 23 tests with a 87% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does 9711 BY 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 9711 BY. 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.