2015 Porsche 911 3.8 991 Carrera 4 GTS
Price: £64,995. Fair price: £4,025 (5%) under the AskCar estimate of £69,020, 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: 55,790 miles
- Fuel: Petrol
- Body: Convertible, 2 doors, 4 seats
- Engine: 3.8 litres, 424 bhp
- Gearbox: Automatic (PDK)
- Drive: Four-wheel drive
- Colour: Silver
- CO2: 214 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
With 55,790 miles on the clock, this 2015 Porsche 911 991 Carrera 4 Gts has done roughly 18,400 more miles than a typical 2015 Porsche 911. The AskCar estimate for this car is £69,020. It is priced at £64,995, which is £4,025 below that estimate. The AskCar estimate uses UK dealer asking prices, including 1,947 Porsche 911 adverts, and accounts for the car’s age, mileage and specification. We first recorded this car for sale 11 days ago. The recorded MOT expired on 8 August 2025, so ask the dealer whether it has been renewed. Its advertised mileage matches the government's MOT record. You can find this car at Invictus Porsche in Uttlesford. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 4 November 2026.
Price
Fair price: £4,025 (5%) under the AskCar estimate of £69,020.
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
This 2015 Porsche 911 has been on sale for at least 11 days.
Price history
AskCar first saw this advert on 24 October 2026 at £64,995. 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: the latest record we hold ran out on 8 August 2025; ask the dealer for the current MOT.
It failed its MOT on 9 August 2024 (oil leaking excessively from engine) and passed later the same day.
There were no advisories at the latest test.
Mileage at that test: 55,116 miles, which matches the advertised 55,790 miles.
Advertised mileage is about 18,400 miles higher 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, black. Mileage: 35,000 miles. Price: £77,750, £12,755 more than this car. Dealer: Cookham Classics in Cookham. AskCar page: https://askcar.co.uk/car/porsche-911-2015-19a7de1231bf
Browse all Porsche 911 cars for sale · 2015 Porsche 911 price guide
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Photos
54 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.