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J100 ACT

1991 Porsche 911

Blue Petrol 3600cc
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MOT Status

Expired
Expires14 Jul 2026
Tests21 (19 pass, 2 fail)
Pass rate90.5%

Mileage

13,569 mi
Last recorded13,569 miles
Recorded on15 Jul 2025
Typical for 1991 Porsche 91193,444 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

RegistrationJ100 ACT
MakePorsche
Model911
Year1991
ColourBlue
Fuel typePetrol
Engine3,600cc

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

19 pass 2 fail
Pass 15 Jul 2025 13,569 miles
Pass 27 Jun 2024 13,287 miles
Pass 11 Apr 2023 11,714 miles
Pass 11 Apr 2022 8,468 miles
Pass 6 Dec 2021 8,283 miles
Fail 23 Nov 2021 8,256 miles

Exhaust emissions carbon monoxide content excessive (8.2.1.2 (b))

Pass 17 Nov 2020 7,160 miles
Pass 29 Nov 2019 5,887 miles
Fail 29 Nov 2019 5,879 miles

Exhaust emissions carbon monoxide content excessive (8.2.1.2 (b))

Registration plate does not conform to the specified requirements Both incorrect colour (0.1 (d))

Pass 22 Nov 2018 4,987 miles
Pass 16 Jan 2018 3,121 miles
Pass 8 Nov 2016 999,924 miles
Pass 9 Jun 2014 137,718 miles
Pass 1 May 2013 133,741 miles
Pass 3 May 2012 128,342 miles
Pass 25 May 2011 121,208 miles

Parking brake: parking brake efficiency only just met. It would appear that the braking system requires adjustment or repair. (3.7.B.7)

Pass 7 May 2010 115,080 miles
Pass 29 Apr 2009 108,578 miles
Pass 19 May 2008 102,500 miles
Pass 27 Apr 2007 95,089 miles
Pass 12 Jan 2006 85,411 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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J100 ACT is a 1991 Porsche 911 in Blue with a 3,600cc petrol engine. This vehicle has been through 21 MOT tests with a personal pass rate of 90.5%.

Across all 1991 Porsche 911 models, the average MOT pass rate is 81.3% with a typical mileage of 93,444 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 J100 ACT, 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 35 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 J100 ACT?

You can check the full history of J100 ACT by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was J100 ACT registered?

J100 ACT is a 1991 Porsche 911, first registered on 1 August 1991.

Is J100 ACT safe to buy?

The MOT history for J100 ACT shows 21 tests with a 90.5% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does J100 ACT 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 J100 ACT. 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.