2018 Porsche 911 4.0 991 GT3
Price: £245,000. Above the going rate: £129,383 (111%) over the AskCar estimate of £115,617, our expected asking price for this car from its model, age, mileage and specification, drawing on 1,971 priced Porsche 911 adverts on AskCar as of 8 November 2026.
AskCar lists 2,458 used Porsche 911 from 618 UK dealerships, as of 8 November 2026.
Overview
- Make: Porsche
- Model: 911
- Trim: 991 GT3
- Version: 4.0 991 GT3 Manual RWD Euro 6 2dr (492 bhp)
- Year: 2018
- Mileage: 25,805 miles
- Fuel: Petrol
- Body: Coupe, 2 doors, 2 seats
- Engine: 4.0 litres, 492 bhp
- Gearbox: Manual
- Drive: Rear-wheel drive
- Colour: White
- CO2: 290 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
With 25,805 miles on the clock, this 2018 Porsche 911 991 Gt3 has done roughly 4,000 more miles than a typical 2018 Porsche 911. Its asking price of £245,000 is £129,383 above the AskCar estimate of £115,617. The AskCar estimate draws on 1,971 Porsche 911 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We have tracked this advert for 12 days. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is JCT600 Volkswagen York, based in York. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 8 November 2026.
Price
Above the going rate: £129,383 (111%) over the AskCar estimate of £115,617.
The AskCar estimate is our expected asking price for this car. It uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It is an advertised price, not a confirmed sale price.
It draws on 1,971 priced Porsche 911 adverts across different ages and specifications, as of 8 November 2026.
A 2018 Porsche 911 with the 4.0 petrol engine is typically advertised at £136,000: the median of the 10 for sale on AskCar, as of 8 November 2026.
Time on sale
This 2018 Porsche 911 has been on sale for at least 12 days.
Price history
AskCar first saw this advert on 27 October 2026 at £244,995. Its asking price is now £245,000, £5 more.
Price changes recorded:
- 28 October 2026: £244,995
- 6 November 2026: £245,000
Mileage and MOT
MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 8 November 2026: valid until 23 March 2027.
It has had 5 MOTs. The latest, on 24 March 2026, passed.
There were no advisories at the latest test.
Mileage at that test: 25,325 miles, which matches the advertised 25,805 miles.
Advertised mileage is about 4,000 miles higher than the median mileage of a 2018 Porsche 911 on AskCar.
Browse all Porsche 911 cars for sale · 2018 Porsche 911 price guide
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Photos
50 photos of this car are on its AskCar page.
As of 8 November 2026, AskCar lists 595,762 cars and vans from 12,892 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.