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: 3,976 miles
• Fuel: Petrol
• Body: Coupe, 2 doors, 2 seats
• Engine: 3.8 litres, 690 bhp
• Gearbox: Automatic (PDK)
• Drive: Rear-wheel drive
• Colour: Yellow
• CO2: 269 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 3,976 miles on the clock, this 2018 Porsche 911 has done roughly 16,700 fewer miles than a typical 2018 Porsche 911. Its asking price of £489,990 is £67,518 above the AskCar estimate of £422,472. The AskCar estimate draws on 1,947 Porsche 911 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. It first appeared in our advert records 41 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Stratstone Porsche Centre Wilmslow, based in Wilmslow. 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: £67,518 (15%) over the AskCar estimate of £422,472.

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 41 days.

Price history

AskCar first saw this advert on 24 September 2026 at £489,990. 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: valid until 14 April 2027.

It has had 6 MOTs. The latest, on 15 April 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 2,997 miles, which matches the advertised 3,976 miles.

Advertised mileage is about 16,700 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 £409,950 to £499,000, as of 4 November 2026.

The 3 closest to this car in mileage:

• 2018 Porsche 911 RS, 3.8 petrol coupe, silver. Mileage: 4,000 miles. Price: £459,950, £30,040 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, £4,990 less 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, £9,010 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, 50 miles from this car. Mileage: 16,000 miles. Price: £409,950, £80,040 less than this car. Dealer: Tom Hartley in Swadlincote. AskCar page: https://askcar.co.uk/car/porsche-911-2018-6613d7c4ac48