2018 Porsche 911 3.8 Turbo S
Price: £124,995. Good value: £12,271 (8%) under the AskCar estimate of £137,266, 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: Turbo S
- Version: 3.8 Turbo S PDK 4WD Euro 6 2dr Exclusive Series (598 bhp)
- Year: 2018
- Mileage: 8,198 miles
- Fuel: Petrol
- Body: Coupe, 2 doors, 4 seats
- Engine: 3.8 litres, 598 bhp
- Gearbox: Automatic (PDK)
- Drive: Four-wheel drive
- Colour: Silver
- CO2: 212 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
This 2018 Porsche 911 Turbo S has covered 8,198 miles, around 12,500 fewer miles than is typical for its age. Priced at £124,995, it is advertised £12,271 below the AskCar estimate of £137,266. The AskCar estimate uses 1,947 UK dealer adverts for the Porsche 911, with adjustments for age, mileage, trim, engine and other specifications. We first recorded this car for sale 11 days ago. Its advertised mileage matches the government's MOT record. The seller is GKirby Collection, based in Horsham. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 4 November 2026.
Price
Good value: £12,271 (8%) under the AskCar estimate of £137,266.
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 11 days.
Price history
AskCar first saw this advert on 24 October 2026 at £124,995. 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 10 July 2027.
It has had 2 MOTs. The latest, on 20 June 2026, passed.
There were no advisories at the latest test.
Mileage at that test: 7,239 miles, which matches the advertised 8,198 miles.
Advertised mileage is about 12,500 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
24 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.