2018 Porsche 911 4.0 RS
Price: £188,450. Good value: £26,026 (12%) under the AskCar estimate of £214,476, our expected asking price for this car from its model, age, mileage and specification, drawing on 1,967 priced Porsche 911 adverts on AskCar as of 6 November 2026.
AskCar lists 2,466 used Porsche 911 from 619 UK dealerships, as of 6 November 2026.
Overview
- Make: Porsche
- Model: 911
- Trim: RS
- Version: 4.0 GT3 RS PDK RWD Euro 6 2dr
- Year: 2018
- Mileage: 16,399 miles
- Fuel: Petrol
- Body: Coupe, 2 doors
- Engine: 4.0 litres
- Gearbox: Automatic (PDK)
- Drive: Rear-wheel drive
- Colour: White
- CO2: 291 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
With 16,399 miles on the clock, this 2018 Porsche 911 has done roughly 5,100 fewer miles than a typical 2018 Porsche 911. The dealer is asking £188,450, which is £26,026 below the AskCar estimate of £214,476. To work out the AskCar estimate, we analyse UK dealer adverts for 1,967 Porsche 911 cars across different ages and specifications. This car was first seen in our listings data 2 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Stratstone Porsche Centre Cambridge, based in Cambridge. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 6 November 2026.
Price
Good value: £26,026 (12%) under the AskCar estimate of £214,476.
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 1,967 priced Porsche 911 adverts across different ages and specifications, as of 6 November 2026.
A 2018 Porsche 911 with the 4.0 petrol engine is typically advertised at £137,000: the median of the 11 for sale on AskCar, as of 6 November 2026.
Time on sale
AskCar first saw this 2018 Porsche 911 advertised 2 days ago. About 4 in 10 of 2018 Porsche 911 cars are gone from sale within a month of being advertised: 46 of the 114 first advertised between 12 July 2026 and 3 October 2026.
Price history
AskCar first saw this advert on 4 November 2026 at £188,450. 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 6 November 2026: valid until 2 July 2027.
It has had 6 MOTs. The latest, on 3 July 2026, passed.
Advisories at the latest test: front front brake pad material cracked and starting to crumble; rear rear brake pad material cracked and starting to crumble.
Mileage at that test: 16,046 miles, which matches the advertised 16,399 miles.
Advertised mileage is about 5,100 miles lower 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
32 photos of this car are on its AskCar page.
As of 6 November 2026, AskCar lists 598,752 cars and vans from 12,905 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.