2017 Porsche 911 3.8 991 Turbo S
Price: £84,950. Good value: £12,202 (12%) under the AskCar estimate of £97,152, 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 Turbo S
- Version: 3.8 T 991 Turbo S PDK 4WD Euro 6 (s/s) 2dr (572 bhp)
- Year: 2017
- Mileage: 42,800 miles
- Fuel: Petrol
- Body: Convertible, 2 doors, 4 seats
- Engine: 3.8 litres, 572 bhp
- Gearbox: Automatic (PDK)
- Drive: Four-wheel drive
- Colour: Black
- CO2: 216 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
This 2017 Porsche 911 991 Turbo S has covered 42,800 miles, around 9,100 more miles than is typical for its age. Priced at £84,950, it is advertised £12,202 below the AskCar estimate of £97,152. The AskCar estimate uses 1,972 UK dealer adverts for the Porsche 911, with adjustments for age, mileage, trim, engine and other specifications. We first recorded this car for sale today. Its advertised mileage matches the government's MOT record. You can find this car at Motorhomes and Van Halifax in Hipperholme. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 7 November 2026.
Price
Good value: £12,202 (12%) under the AskCar estimate of £97,152.
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.
Time on sale
AskCar first saw this 2017 Porsche 911 advertised today. About half of 2017 Porsche 911 cars are gone from sale within a month of being advertised: 35 of the 67 first advertised between 11 July 2026 and 4 October 2026.
Price history
AskCar first saw this advert on 7 November 2026 at £84,950. 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 12 July 2027.
It has had 7 MOTs. The latest, on 13 July 2026, passed.
There were no advisories at the latest test.
Mileage at that test: 41,455 miles, which matches the advertised 42,800 miles.
Advertised mileage is about 9,100 miles higher than the median mileage of a 2017 Porsche 911 on AskCar.
Browse all Porsche 911 cars for sale · 2017 Porsche 911 price guide
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Photos
15 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.