2018 Porsche 911 3.8 991 GT2 RS
Price: £459,950. Above the going rate: £97,165 (26%) over the AskCar estimate of £362,785, our expected asking price for this car from its model, age, mileage and specification, drawing on 1,947 priced Porsche 911 adverts on AskCar as of 4 November 2026.
AskCar lists 2,434 used Porsche 911 from 619 UK dealerships, as of 4 November 2026.
Overview
- Make: Porsche
- Model: 911
- Trim: 991 GT2 RS
- Version: 3.8 T 991 GT2 RS PDK RWD Euro 6 2dr (690 bhp)
- Year: 2018
- Mileage: 4,478 miles
- Fuel: Petrol
- Body: Coupe, 2 doors, 2 seats
- Engine: 3.8 litres, 690 bhp
- Gearbox: Automatic (PDK)
- Drive: Rear-wheel drive
- Colour: Yellow
- CO2: 269 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
This 2018 Porsche 911 991 Gt2 RS is advertised with 4,478 miles, approximately 16,200 below the typical mileage for its age. The AskCar estimate for this car is £362,785. It is priced at £459,950, which is £97,165 above that estimate. The AskCar estimate uses UK dealer asking prices, including 1,947 Porsche 911 adverts, and accounts for the car’s age, mileage and specification. We first saw this car advertised 32 days ago. Its asking price has since fallen by £30,000. The seller is Magma Cars, based in Redhill. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 4 November 2026.
Price
Above the going rate: £97,165 (26%) over the AskCar estimate of £362,785.
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 1,947 priced Porsche 911 adverts across different ages and specifications, as of 4 November 2026.
A 2018 Porsche 911 with the 3.8 petrol engine is typically advertised at £460,000: the median of the 15 for sale on AskCar, as of 4 November 2026.
Time on sale
This 2018 Porsche 911 has been on sale for at least 32 days.
Price history
AskCar first saw this advert on 3 October 2026 at £489,950. Its asking price is now £459,950, £30,000 less. The latest price cut was seen on 24 October 2026.
Price changes recorded:
- 3 October 2026: £489,950
- 24 October 2026: £459,950
Mileage and MOT
Advertised mileage is about 16,200 miles lower than the median mileage of a 2018 Porsche 911 on AskCar.
Similar cars
2 other 2018 Porsche 911 991 GT2 RS 3.8 petrol automatic coupes are for sale at UK dealers, from £498,995 to £499,990, as of 4 November 2026.
The 2 closest to this car in mileage:
- 2018 Porsche 911 991 GT2 RS, 3.8 petrol coupe, silver. Mileage: 4,042 miles. Price: £498,995, £39,045 more than this car. Dealer: Amari Supercars (GB) in Preston. AskCar page: https://askcar.co.uk/car/porsche-911-2018-9eadf00d8f74
- 2018 Porsche 911 991 GT2 RS, 3.8 petrol coupe, black. Mileage: 5,500 miles. Price: £499,990, £40,040 more than this car. Dealer: Vvs Uk in Cranbrook. AskCar page: https://askcar.co.uk/car/porsche-911-2018-4c8f15e28a46
Browse all Porsche 911 cars for sale · 2018 Porsche 911 price guide
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Photos
60 photos of this car are on its AskCar page.
As of 4 November 2026, AskCar lists 592,552 cars and vans from 12,964 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.