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: 535 miles
• Fuel: Petrol
• Body: Coupe, 2 doors, 2 seats
• Engine: 3.8 litres, 690 bhp
• Gearbox: Automatic (PDK)
• Drive: Rear-wheel drive
• Colour: Orange
• CO2: 269 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 535 miles, this 2018 Porsche 911 has covered about 20,200 fewer miles than other 2018 Porsche 911 cars. The dealer is asking £499,000, which is £46,461 above the AskCar estimate of £452,539. To work out the AskCar estimate, we analyse UK dealer adverts for 1,947 Porsche 911 cars across different ages and specifications. We first recorded this car for sale 60 days ago. Our records show an MOT expiry date of 13 June 2026, which has passed. Ask the dealer for an update. We checked its advertised mileage against the government's MOT record, and they match. The seller is Jeremy Cottingham, based in Westminster. 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

Above the going rate: £46,461 (10%) over the AskCar estimate of £452,539.

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 3.8 petrol engine is typically advertised at £460,000: the median of the 15 for sale on AskCar, as of 4 November 2026.

Time on sale

This 2018 Porsche 911 has been on sale for at least 60 days.

Price history

AskCar first saw this advert on 5 September 2026 at £499,000. 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 4 November 2026: the latest record we hold ran out on 13 June 2026; ask the dealer for the current MOT.

It has had 5 MOTs. The latest, on 14 June 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 487 miles, which matches the advertised 535 miles.

Advertised mileage is about 20,200 miles lower than the median mileage of a 2018 Porsche 911 on AskCar.

The advertised mileage of 535 miles looks wrong for a 2018 car; check it with the dealer.

Similar cars

5 other 2018 Porsche 911 RS 3.8 petrol automatic coupes are for sale at UK dealers, from £409,950 to £489,990, as of 4 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, £9,010 less 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: 4,000 miles. Price: £459,950, £39,050 less than this car. Dealer: Tom Hartley in Swadlincote. AskCar page: https://askcar.co.uk/car/porsche-911-2018-8c2b81df4779
• 2018 Porsche 911 RS, 3.8 petrol coupe, silver. Mileage: 5,856 miles. Price: £485,000, £14,000 less than this car. Dealer: Romans International in Banstead. AskCar page: https://askcar.co.uk/car/porsche-911-2018-738a21e6c24f