2017 Porsche 911 3.8 991 Turbo S
Price: £111,995. Fair price: £4,571 (3%) under the AskCar estimate of £116,566, our expected asking price for this car from its model, age, mileage and specification, drawing on 1,926 priced Porsche 911 adverts on AskCar as of 2 November 2026.
AskCar lists 2,411 used Porsche 911 from 625 UK dealerships, as of 2 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: 18,900 miles
- Fuel: Petrol
- Body: Coupe, 2 doors, 4 seats
- Engine: 3.8 litres, 572 bhp
- Gearbox: Automatic (PDK)
- Drive: Four-wheel drive
- Colour: Silver
- CO2: 212 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
At 18,900 miles, this 2017 Porsche 911 991 Turbo S has covered about 15,600 fewer miles than other 2017 Porsche 911 cars. The AskCar estimate for this car is £116,566. It is priced at £111,995, which is £4,571 below that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 1,926 Porsche 911 cars across different ages and specifications. Since we first spotted the advert 52 days ago, the asking price has dropped by £6,000. Our latest MOT record expired on 22 September 2026. Check the current position with the dealer. The government's MOT record matches its advertised mileage. It is advertised by Clinkard in Romsey. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 2 November 2026.
Price
Fair price: £4,571 (3%) under the AskCar estimate of £116,566.
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 1,926 priced Porsche 911 adverts across different ages and specifications, as of 2 November 2026.
Time on sale
This 2017 Porsche 911 has been on sale for at least 52 days.
Price history
AskCar first saw this advert on 11 September 2026 at £117,995. Its asking price is now £111,995, £6,000 less. The latest price cut was seen on 12 September 2026.
Price changes recorded:
- 11 September 2026: £117,995
- 12 September 2026: £111,995
Mileage and MOT
MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: the latest record we hold ran out on 22 September 2026; ask the dealer for the current MOT.
It has had 7 MOTs. The latest, on 17 September 2025, passed.
There were no advisories at the latest test.
Mileage at that test: 13,955 miles, which matches the advertised 18,900 miles.
Advertised mileage is about 15,600 miles lower than the median mileage of a 2017 Porsche 911 on AskCar.
Similar cars
2 other 2017 Porsche 911 991 Turbo S 3.8 petrol automatic coupes are for sale at UK dealers, from £114,950 to £118,980, as of 2 November 2026.
The 2 closest to this car in mileage:
- 2017 Porsche 911 991 Turbo S, 3.8 petrol coupe, silver. Mileage: 29,000 miles. Price: £114,950, £2,955 more than this car. Dealer: A C G Motors in Manchester. AskCar page: https://askcar.co.uk/car/porsche-911-2017-784df344ad37
- 2017 Porsche 911 991 Turbo S, 3.8 petrol coupe, silver. Mileage: 8,500 miles. Price: £118,980, £6,985 more than this car. Dealer: Tier One Automotive in Kings Langley. AskCar page: https://askcar.co.uk/car/porsche-911-2017-361934ac294c
Browse all Porsche 911 cars for sale · 2017 Porsche 911 price guide
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Photos
66 photos of this car are on its AskCar page.
As of 2 November 2026, AskCar lists 586,270 cars and vans from 12,920 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.