2018 Porsche 911 3.8 991 GT2 RS

Price: £499,990. Above the going rate: £139,922 (38%) over the AskCar estimate of £360,068, 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: 5,500 miles
  • Fuel: Petrol
  • Body: Coupe, 2 doors, 2 seats
  • Engine: 3.8 litres, 690 bhp
  • Gearbox: Automatic (PDK)
  • Drive: Rear-wheel drive
  • Colour: Black
  • CO2: 269 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

At 5,500 miles, this 2018 Porsche 911 991 Gt2 RS has covered about 15,200 fewer miles than other 2018 Porsche 911 cars. Priced at £499,990, it is advertised £139,922 above the AskCar estimate of £360,068. The AskCar estimate uses UK dealer asking prices, including 1,947 Porsche 911 adverts, and accounts for the car’s age, mileage and specification. It first appeared in our advert records 88 days ago. We checked its advertised mileage against the government's MOT record, and they match. The seller is Vvs Uk, based in Cranbrook. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 4 November 2026.

How we estimate prices and check cars

Price

Above the going rate: £139,922 (38%) over the AskCar estimate of £360,068.

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 88 days.

Price history

AskCar first saw this advert on 8 August 2026 at £499,990. Its asking price has not changed.

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 2 April 2027.

It has had 6 MOTs. The latest, on 3 March 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 3,505 miles, which matches the advertised 5,500 miles.

Advertised mileage is about 15,200 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 £459,950 to £498,995, as of 4 November 2026.

The 2 closest to this car in mileage:

  • 2018 Porsche 911 991 GT2 RS, 3.8 petrol coupe, yellow. Mileage: 4,478 miles. Price: £459,950, £40,040 less than this car. Dealer: Magma Cars in Salfords. AskCar page: https://askcar.co.uk/car/porsche-911-2018-79765a2e378d
  • 2018 Porsche 911 991 GT2 RS, 3.8 petrol coupe, silver. Mileage: 4,042 miles. Price: £498,995, £995 less than this car. Dealer: Amari Supercars (GB) in Preston. AskCar page: https://askcar.co.uk/car/porsche-911-2018-9eadf00d8f74

Browse all Porsche 911 cars for sale · 2018 Porsche 911 price guide

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Photos

57 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.