2018 Porsche 911 3.8 RS

Overview

• Make: Porsche
• Model: 911
• Trim: RS
• Version: 3.8 GT2 RS PDK RWD Euro 6 2dr (690 bhp)
• Year: 2018
• Mileage: 4,000 miles
• Fuel: Petrol
• Body: Coupe, 2 doors, 2 seats
• Engine: 3.8 litres, 690 bhp
• Gearbox: Automatic (PDK)
• Drive: Rear-wheel drive
• Colour: Silver
• CO2: 269 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 Porsche 911 has covered 4,000 miles, around 17,500 fewer miles than is typical for its age. The dealer is asking £459,950, which is £40,274 above the AskCar estimate of £419,676. To work out the AskCar estimate, we analyse UK dealer adverts for 1,967 Porsche 911 cars across different ages and specifications. This car was first seen in our listings data 12 days ago. We checked its advertised mileage against the government's MOT record, and they match. The seller is Tom Hartley, based in Swadlincote. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 6 November 2026.

How we estimate prices and check cars

Price

Above the going rate: £40,274 (9%) over the AskCar estimate of £419,676.

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 3.8 petrol engine is typically advertised at £460,000: the median of the 15 for sale on AskCar, as of 6 November 2026.

Time on sale

This 2018 Porsche 911 has been on sale for at least 12 days.

Price history

AskCar first saw this advert on 25 October 2026 at £459,950. Its asking price has not changed.

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 6 November 2026: valid until 26 November 2027.

It has had 7 MOTs. The latest, on 27 October 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 4,373 miles, which matches the advertised 4,000 miles.

Advertised mileage is about 17,500 miles lower than the median mileage of a 2018 Porsche 911 on AskCar.

Similar cars

5 other 2018 Porsche 911 RS 3.8 petrol automatic coupes are for sale at UK dealers, from £399,950 to £499,000, as of 6 November 2026.

The 3 closest to this car in mileage:

• 2018 Porsche 911 RS, 3.8 petrol coupe, yellow. Mileage: 3,976 miles. Price: £489,990, £30,040 more than this car. Dealer: Stratstone Porsche Centre Wilmslow in Wilmslow. AskCar page: https://askcar.co.uk/car/porsche-911-2018-4740ffc5c5bd
• 2018 Porsche 911 RS, 3.8 petrol coupe, silver. Mileage: 5,856 miles. Price: £485,000, £25,050 more than this car. Dealer: Romans International in Banstead. AskCar page: https://askcar.co.uk/car/porsche-911-2018-738a21e6c24f
• 2018 Porsche 911 RS, 3.8 petrol coupe, orange. Mileage: 535 miles. Price: £499,000, £39,050 more than this car. Dealer: Jeremy Cottingham in London. AskCar page: https://askcar.co.uk/car/porsche-911-2018-1bbe8270fcc1

• The nearest: 2018 Porsche 911 RS, 3.8 petrol coupe, red, under a mile from this car. Mileage: 16,000 miles. Price: £399,950, £60,000 less than this car. Dealer: Tom Hartley in Swadlincote. AskCar page: https://askcar.co.uk/car/porsche-911-2018-6613d7c4ac48