2018 Porsche 911 3.8 991 Turbo

Price: £78,000. Fair price: £391 (under 1%) over the AskCar estimate of £77,609, 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: 70,000 miles
  • Fuel: Petrol
  • Body: Coupe, 2 doors, 4 seats
  • Engine: 3.8 litres, 533 bhp
  • Gearbox: Automatic (PDK)
  • Drive: Four-wheel drive
  • Colour: Silver
  • CO2: 212 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 Porsche 911 991 Turbo is advertised with 70,000 miles, approximately 48,200 above the typical mileage for its age. Priced at £78,000, it is advertised £391 above the AskCar estimate of £77,609. The AskCar estimate uses 1,971 UK dealer adverts for the Porsche 911, with adjustments for age, mileage, trim, engine and other specifications. This car was first seen in our listings data 164 days ago. The government's MOT record matches its advertised mileage. You can find this car at A M Car Solutions in Lichfield. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 8 November 2026.

How we estimate prices and check cars

Price

Fair price: £391 (under 1%) over the AskCar estimate of £77,609.

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 164 days.

Price history

AskCar first saw this advert on 28 May 2026 at £75,000. Its asking price is now £78,000, £3,000 more.

Price changes recorded:

  • 28 May 2026: £75,000
  • 8 September 2026: £75,850
  • 11 September 2026: £74,444
  • 14 September 2026: £72,456
  • 24 September 2026: £69,867
  • 24 October 2026: £76,000
  • 7 November 2026: £78,000

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 8 November 2026: valid until 13 April 2027.

It has had 7 MOTs. The latest, on 14 April 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 68,091 miles, which matches the advertised 70,000 miles.

Advertised mileage is about 48,200 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, blue. Mileage: 44,055 miles. Price: £85,495, £7,495 more than this car. Dealer: August Performance in Ingatestone. AskCar page: https://askcar.co.uk/car/porsche-911-2018-c4c82e00bff9

Browse all Porsche 911 cars for sale · 2018 Porsche 911 price guide

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Photos

76 photos of this car are on its AskCar page.

As of 8 November 2026, AskCar lists 595,762 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.