2015 Porsche 911 3.8 991 Carrera 4S
Price: £40,995. Fair price: £1,990 (5%) over the AskCar estimate of £39,005, our expected asking price for this car from its model, age, mileage and specification, drawing on 1,972 priced Porsche 911 adverts on AskCar as of 7 November 2026.
AskCar lists 2,462 used Porsche 911 from 621 UK dealerships, as of 7 November 2026.
Overview
- Make: Porsche
- Model: 911
- Trim: 991 Carrera 4S
- Version: 3.8 991 Carrera 4S PDK 4WD Euro 6 (s/s) 2dr (395 bhp)
- Year: 2015
- Mileage: 118,000 miles
- Fuel: Petrol
- Body: Convertible, 2 doors, 4 seats
- Engine: 3.8 litres, 395 bhp
- Gearbox: Automatic (PDK)
- Drive: Four-wheel drive
- Colour: Black
- CO2: 214 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
At 118,000 miles, this 2015 Porsche 911 991 Carrera 4S has covered about 80,000 more miles than other 2015 Porsche 911 cars. The AskCar estimate for this car is £39,005. It is priced at £40,995, which is £1,990 above that estimate. The AskCar estimate draws on 1,972 Porsche 911 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first recorded this car for sale 62 days ago. Its advertised mileage matches the government's MOT record. It is for sale at Brownstone Motors in Barnsley. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 7 November 2026.
Price
Fair price: £1,990 (5%) over the AskCar estimate of £39,005.
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 1,972 priced Porsche 911 adverts across different ages and specifications, as of 7 November 2026.
A 2015 Porsche 911 with the 3.8 petrol engine is typically advertised at £77,900: the median of the 39 for sale on AskCar, as of 7 November 2026.
Time on sale
This 2015 Porsche 911 has been on sale for at least 62 days.
Price history
AskCar first saw this advert on 6 September 2026 at £40,995. 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 7 November 2026: valid until 28 January 2027.
It has had 11 MOTs. The latest, on 29 January 2026, passed.
There were no advisories at the latest test.
Mileage at that test: 117,941 miles, which matches the advertised 118,000 miles.
Advertised mileage is about 80,000 miles higher than the median mileage of a 2015 Porsche 911 on AskCar.
Browse all Porsche 911 cars for sale · 2015 Porsche 911 price guide
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Photos
41 photos of this car are on its AskCar page.
As of 7 November 2026, AskCar lists 601,018 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.