2018 Porsche 911 3.8 991 Turbo S

Overview

• Make: Porsche
• Model: 911
• Trim: 991 Turbo S
• Version: 3.8 T 991 Turbo S PDK 4WD Euro 6 (s/s) 2dr (572 bhp)
• Year: 2018
• Mileage: 10,000 miles
• Fuel: Petrol
• Body: Convertible, 2 doors, 4 seats
• Engine: 3.8 litres, 572 bhp
• Gearbox: Automatic (PDK)
• Drive: Four-wheel drive
• Colour: Black
• CO2: 216 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 Porsche 911 991 Turbo S is advertised with 10,000 miles, approximately 11,800 below the typical mileage for its age. Its asking price of £129,650 is £3,981 below the AskCar estimate of £133,631. The AskCar estimate draws on 1,971 Porsche 911 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. This car was first seen in our listings data 164 days ago. You can find this car at Westside Cars in Wednesbury. 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: £3,981 (2%) under the AskCar estimate of £133,631.

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 £129,650. Its asking price has not changed.

Mileage and MOT

Advertised mileage is about 11,800 miles lower than the median mileage of a 2018 Porsche 911 on AskCar.