2018 Porsche 911 3.8 991 Turbo
Price: £85,495. Good value: £8,400 (8%) under the AskCar estimate of £93,895, our expected asking price for this car from its model, age, mileage and specification, drawing on 1,971 priced Porsche 911 adverts on AskCar as of 8 November 2026.
AskCar lists 2,458 used Porsche 911 from 618 UK dealerships, as of 8 November 2026.
Overview
- Make: Porsche
- Model: 911
- Trim: 991 Turbo
- Version: 3.8 T 991 Turbo PDK 4WD Euro 6 (s/s) 2dr (533 bhp)
- Year: 2018
- Mileage: 44,055 miles
- Fuel: Petrol
- Body: Coupe, 2 doors, 4 seats
- Engine: 3.8 litres, 533 bhp
- Gearbox: Automatic (PDK)
- Drive: Four-wheel drive
- Colour: Blue
- CO2: 212 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
This 2018 Porsche 911 991 Turbo is advertised with 44,055 miles, approximately 22,300 above the typical mileage for its age. Priced at £85,495, it is advertised £8,400 below the AskCar estimate of £93,895. The AskCar estimate uses 1,971 UK dealer adverts for the Porsche 911, with adjustments for age, mileage, trim, engine and other specifications. Since we first spotted the advert 16 days ago, the asking price has dropped by £2,000. The government's MOT record matches its advertised mileage. You can find this car at August Performance in Ingatestone. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 8 November 2026.
Price
Good value: £8,400 (8%) under the AskCar estimate of £93,895.
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 1,971 priced Porsche 911 adverts across different ages and specifications, as of 8 November 2026.
A 2018 Porsche 911 with the 3.8 petrol engine is typically advertised at £460,000: the median of the 15 for sale on AskCar, as of 8 November 2026.
Time on sale
This 2018 Porsche 911 has been on sale for at least 16 days.
Price history
AskCar first saw this advert on 23 October 2026 at £87,495. Its asking price is now £85,495, £2,000 less. The latest price cut was seen on 5 November 2026.
Price changes recorded:
- 23 October 2026: £87,495
- 5 November 2026: £85,495
Mileage and MOT
MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 8 November 2026: valid until 1 September 2027.
It has had 7 MOTs. The latest, on 15 August 2026, passed.
There were no advisories at the latest test.
Mileage at that test: 43,571 miles, which matches the advertised 44,055 miles.
Advertised mileage is about 22,300 miles higher than the median mileage of a 2018 Porsche 911 on AskCar.
Similar cars
1 other 2018 Porsche 911 991 Turbo 3.8 petrol automatic coupe is for sale at UK dealers, as of 8 November 2026.
The closest to this car in mileage:
- 2018 Porsche 911 991 Turbo, 3.8 petrol coupe, silver. Mileage: 70,000 miles. Price: £78,000, £7,495 less than this car. Dealer: A M Car Solutions in Lichfield. AskCar page: https://askcar.co.uk/car/porsche-911-2018-52f144abe013
Browse all Porsche 911 cars for sale · 2018 Porsche 911 price guide
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As of 8 November 2026, AskCar lists 595,629 cars and vans from 12,891 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.