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G1 GCK

1991 Porsche 911

Red Petrol 3600cc
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MOT Status

Valid
Expires1 Sep 2026
Tests12 (9 pass, 3 fail)
Pass rate75%

Mileage

87,144 mi
Last recorded87,144 miles
Recorded on2 Sep 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

RegistrationG1 GCK
MakePorsche
Model911
Year1991
ColourRed
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

9 pass 3 fail
Pass 2 Sep 2025 87,144 miles

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

Pass 15 Jul 2024 86,939 miles

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

Pass 19 Jul 2023 86,534 miles

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

Fail 21 Jun 2023 86,507 miles

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

Nearside Headlamp aim too low (4.1.2 (a))

Offside Headlamp aim too low (4.1.2 (a))

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

Pass 26 Apr 2021 85,909 miles

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

Pass 27 Apr 2020 83,883 miles

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

Pass 13 Aug 2018 82,953 miles
Pass 14 Jul 2017 82,595 miles
Pass 12 Aug 2016 81,229 miles

under trays fitted

Fail 2 Aug 2016 81,228 miles

Emissions not tested engine not tick over black smoke (7.3.A.1)

under trays fitted

Pass 14 Aug 2015 80,243 miles

Centre Rear light lens slightly damaged

Rear Rear fog lamp slightly discoloured both (1.3.2e)

both rear tyres cracking slightly in tread

cracking to inner sidewalls on both rear tyres

nail in offside rear tyre

undertrays fitted obscuring components

Fail 11 Aug 2015 80,243 miles

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

Indicator switch faulty (1.4.A.1)

Nearside Headlamp aim too low (1.8)

Nearside Registration plate lamp not working (1.1.C.1d)

Offside Headlamp aim too low and too far to the right. (1.8)

Centre Rear light lens slightly damaged

Rear Rear fog lamp slightly discoloured both (1.3.2e)

both rear tyres cracking slightly in tread

cracking to inner sidewalls on both rear tyres

nail in offside rear tyre

undertrays fitted obscuring components

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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G1 GCK is a 1991 Porsche 911 in Red with a 3,600cc petrol engine. This vehicle has been through 12 MOT tests with a personal pass rate of 75%.

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 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 G1 GCK, 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 G1 GCK?

You can check the full history of G1 GCK by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was G1 GCK registered?

G1 GCK is a 1991 Porsche 911, first registered on 31 December 1991.

Is G1 GCK safe to buy?

The MOT history for G1 GCK shows 12 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 G1 GCK 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 G1 GCK. 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.