2018 Porsche 911 3.0 991 4 GTS
Price: £79,491. Fair price: £4,940 (6%) over the AskCar estimate of £74,551, our expected asking price for this car from its model, age, mileage and specification, drawing on 1,967 priced Porsche 911 adverts on AskCar as of 6 November 2026.
AskCar lists 2,466 used Porsche 911 from 619 UK dealerships, as of 6 November 2026.
Overview
- Make: Porsche
- Model: 911
- Trim: 991 4 GTS
- Version: 3.0 T 991 4 GTS PDK 4WD Euro 6 (s/s) 2dr Targa (444 bhp)
- Year: 2018
- Mileage: 59,911 miles
- Fuel: Petrol
- Body: Convertible, 2 doors, 4 seats
- Engine: 3.0 litres, 444 bhp
- Gearbox: Automatic (PDK)
- Drive: Four-wheel drive
- Colour: Red
- CO2: 196 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
This 2018 Porsche 911 991 4 Gts has covered 59,911 miles, around 38,400 more miles than is typical for its age. Priced at £79,491, it is advertised £4,940 above the AskCar estimate of £74,551. The AskCar estimate uses UK dealer asking prices, including 1,967 Porsche 911 adverts, and accounts for the car’s age, mileage and specification. We first saw this car advertised 17 days ago. Its asking price has since fallen by £500. The seller is Dick Lovett Porsche Centre Tewkesbury, based in Tewkesbury. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 6 November 2026.
Price
Fair price: £4,940 (6%) over the AskCar estimate of £74,551.
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 1,967 priced Porsche 911 adverts across different ages and specifications, as of 6 November 2026.
A 2018 Porsche 911 with the 3.0 petrol engine is typically advertised at £78,500: the median of the 43 for sale on AskCar, as of 6 November 2026.
Time on sale
This 2018 Porsche 911 has been on sale for at least 17 days.
Price history
AskCar first saw this advert on 20 October 2026 at £79,991. Its asking price is now £79,491, £500 less. The latest price cut was seen on 4 November 2026.
Price changes recorded:
- 20 October 2026: £79,991
- 4 November 2026: £79,491
Mileage and MOT
Advertised mileage is about 38,400 miles higher than the median mileage of a 2018 Porsche 911 on AskCar.
Similar cars
2 other 2018 Porsche 911 991 4 GTS 3.0 petrol automatic convertibles are for sale at UK dealers, from £84,990 to £89,000, as of 6 November 2026.
The 2 closest to this car in mileage:
- 2018 Porsche 911 991 4 GTS, 3.0 petrol convertible, grey. Mileage: 36,082 miles. Price: £84,990, £5,499 more than this car. Dealer: Per4mance Cars in Macclesfield. AskCar page: https://askcar.co.uk/car/porsche-911-2018-ea738490397e
- 2018 Porsche 911 991 4 GTS, 3.0 petrol convertible, silver. Mileage: 24,250 miles. Price: £89,000, £9,509 more than this car. Dealer: Whitethor Cars in Coalville. AskCar page: https://askcar.co.uk/car/porsche-911-2018-e962123bdaf7
Browse all Porsche 911 cars for sale · 2018 Porsche 911 price guide
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Photos
160 photos of this car are on its AskCar page.
As of 6 November 2026, AskCar lists 598,752 cars and vans from 12,905 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.