2018 Porsche 911 3.0 991 Carrera GTS

Version: 3.0 T 991 Carrera GTS PDK RWD Euro 6 (s/s) 2dr (444 bhp)

Price: £81,995. Fair price: £4,419 (5%) under the AskCar estimate of £86,414, our expected asking price for this car from its model, age, mileage and specification, drawing on 1,921 priced Porsche 911 adverts on AskCar as of 30 October 2026.

AskCar lists 2,398 used Porsche 911 from 626 UK dealerships, as of 30 October 2026.

Overview

Make
Porsche
Model
911
Trim
991 Carrera GTS
Version
3.0 T 991 Carrera GTS PDK RWD Euro 6 (s/s) 2dr (444 bhp)
Mileage
21,519 miles
Year
2018
Fuel type
Petrol
Body type
Convertible
Engine
3.0 L
Gearbox
Automatic
Power
444 bhp
Seats
4
CO2
190 g/km
Colour
Orange
Doors
2
Driven wheels
Rear Wheel Drive
Gearbox version
PDK
Engine badge
991 Carrera GTS
Emissions standard
Euro 6

About this car

This 2018 Porsche 911 991 Carrera Gts is advertised with 21,519 miles on the clock. The AskCar estimate for this car is £86,414. It is priced at £81,995, which is £4,419 below that estimate. The AskCar estimate draws on 1,921 Porsche 911 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. It first appeared in our advert records 105 days ago. Its MOT is recorded as valid until 18 June 2027. The advertised mileage is consistent with the latest MOT reading. You can find this car at JCT600 Porsche Centre Newcastle in Newcastle Upon Tyne.

Stock data as of 30 October 2026.

How we estimate prices and check cars

Price history

AskCar first saw this advert on 17 July 2026, 105 days ago.

Recorded asking prices
Date observedAsking price
20 July 2026£77,995
30 July 2026£77,695
31 July 2026£77,695
7 August 2026£78,995
8 August 2026£78,995
13 August 2026£78,495
14 August 2026£78,495
22 August 2026£78,450
31 August 2026£77,995
30 October 2026£81,995

Price and mileage comparison

Fair price: £4,419 (5%) under the AskCar estimate of £86,414.

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 1,921 priced Porsche 911 adverts across different ages and specifications, as of 30 October 2026.

Advertised mileage is about 900 miles higher than the median mileage of a 2018 Porsche 911 on AskCar.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT: valid until 18 June 2027. 21,187 miles at the last test.

Other matching cars

8 other 2018 Porsche 911 991 Carrera GTS automatic petrol cars are for sale at UK dealers from £66,999 to £88,900, as of 30 October 2026.

The 5 cheapest:

The 8 matching cars have covered 10,371 to 74,188 miles, compared with 21,519 miles for this car.

Matching year, trim, gearbox and fuel does not mean matching mileage or every specification. The AskCar estimate adjusts for these differences.

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

More like this

Photos

56 photos of this car are on its AskCar page.

How to contact the dealer and its opening hours are on this AskCar page.

As of 30 October 2026, AskCar lists 580,490 cars and vans from 12,695 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.