2015 Porsche 911 3.8 991 Carrera 4 GTS
Price: £77,750. Fair price: £1,599 (2%) under the AskCar estimate of £79,349, 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 Carrera 4 GTS
- Version: 3.8 991 Carrera 4 GTS PDK 4WD Euro 6 (s/s) 2dr (424 bhp)
- Year: 2015
- Mileage: 35,000 miles
- Fuel: Petrol
- Body: Convertible, 2 doors, 4 seats
- Engine: 3.8 litres, 424 bhp
- Gearbox: Automatic (PDK)
- Drive: Four-wheel drive
- Colour: Black
- CO2: 214 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
This 2015 Porsche 911 991 Carrera 4 Gts is advertised with 35,000 miles, approximately 2,400 below the typical mileage for its age. The AskCar estimate for this car is £79,349. It is priced at £77,750, which is £1,599 below that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 1,947 Porsche 911 cars across different ages and specifications. We first recorded this car for sale 1 day ago. Its advertised mileage matches the government's MOT record. It is for sale at Cookham Classics in Maidenhead. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 4 November 2026.
Price
Fair price: £1,599 (2%) under the AskCar estimate of £79,349.
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 2015 Porsche 911 with the 3.8 petrol engine is typically advertised at £78,000: the median of the 38 for sale on AskCar, as of 4 November 2026.
Time on sale
AskCar first saw this 2015 Porsche 911 advertised 1 day ago. About half of 2015 Porsche 911 cars are gone from sale within a month of being advertised: 28 of the 58 first advertised between 16 July 2026 and 1 October 2026.
Price history
AskCar first saw this advert on 3 November 2026 at £77,750. 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 13 January 2027.
It has had 10 MOTs. The latest, on 14 January 2026, passed.
Advisories at the latest test: undertrays, engine and component covers fitted; oil leak, but not excessive.
Mileage at that test: 32,651 miles, which matches the advertised 35,000 miles.
Advertised mileage is about 2,400 miles lower than the median mileage of a 2015 Porsche 911 on AskCar.
Similar cars
1 other 2015 Porsche 911 991 Carrera 4 GTS 3.8 petrol automatic convertible is for sale at UK dealers, as of 4 November 2026.
The closest to this car in mileage:
- 2015 Porsche 911 991 Carrera 4 GTS, 3.8 petrol convertible, silver. Mileage: 55,790 miles. Price: £64,995, £12,755 less than this car. Dealer: Invictus Porsche in Bishop's Stortford. AskCar page: https://askcar.co.uk/car/porsche-911-2015-66ae9762b4a4
Browse all Porsche 911 cars for sale · 2015 Porsche 911 price guide
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Photos
46 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.