2018 Porsche 911 3.0 991

Price: £72,780. Fair price: £3,251 (4%) under the AskCar estimate of £76,031, 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
  • Version: 3.0 991 PDK 4WD Euro 6 2dr (10/15-)
  • Year: 2018
  • Mileage: 45,000 miles
  • Fuel: Petrol
  • Body: Convertible, 2 doors, 4 seats
  • Engine: 3.0 litres
  • Gearbox: Automatic (PDK)
  • Drive: Four-wheel drive
  • Colour: Blue
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 Porsche 911 991 is advertised with 45,000 miles, approximately 24,300 above the typical mileage for its age. Priced at £72,780, it is advertised £3,251 below the AskCar estimate of £76,031. The AskCar estimate uses 1,947 UK dealer adverts for the Porsche 911, with adjustments for age, mileage, trim, engine and other specifications. We first saw this car advertised 64 days ago. Its asking price has since fallen by £6,200. The seller is Auto100.Co.Uk, based in Sutton-in-Ashfield. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 4 November 2026.

How we estimate prices and check cars

Price

Fair price: £3,251 (4%) under the AskCar estimate of £76,031.

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 2018 Porsche 911 with the 3.0 petrol engine is typically advertised at £79,000: the median of the 42 for sale on AskCar, as of 4 November 2026.

Time on sale

This 2018 Porsche 911 has been on sale for at least 64 days.

Price history

AskCar first saw this advert on 1 September 2026 at £78,980. Its asking price is now £72,780, £6,200 less. The latest price cut was seen on 17 October 2026.

Price changes recorded:

  • 1 September 2026: £78,980
  • 9 September 2026: £77,980
  • 16 September 2026: £76,980
  • 23 September 2026: £75,980
  • 29 September 2026: £74,980
  • 6 October 2026: £73,980
  • 10 October 2026: £72,980
  • 17 October 2026: £72,780

Mileage and MOT

Advertised mileage is about 24,300 miles higher than the median mileage of a 2018 Porsche 911 on AskCar.

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

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Photos

43 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.