2021 Porsche 911 3.7 992 Turbo S

Price: £137,949. Fair price: £10,702 (7%) under the AskCar estimate of £148,651, our expected asking price for this car from its model, age, mileage and specification, drawing on 1,926 priced Porsche 911 adverts on AskCar as of 2 November 2026.

AskCar lists 2,411 used Porsche 911 from 625 UK dealerships, as of 2 November 2026.

Overview

  • Make: Porsche
  • Model: 911
  • Trim: 992 Turbo S
  • Version: 3.7 T 992 Turbo S PDK 4WD Euro 6 (s/s) 2dr (641 bhp)
  • Year: 2021
  • Mileage: 18,000 miles
  • Fuel: Petrol
  • Body: Convertible, 2 doors, 4 seats
  • Engine: 3.7 litres, 641 bhp
  • Gearbox: Automatic (PDK)
  • Drive: Four-wheel drive
  • Colour: Red
  • CO2: 275 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

With 18,000 miles on the clock, this 2021 Porsche 911 992 Turbo S has done roughly 3,100 more miles than a typical 2021 Porsche 911. Its asking price of £137,949 is £10,702 below the AskCar estimate of £148,651. The AskCar estimate draws on 1,926 Porsche 911 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. Since we first spotted the advert 23 days ago, the asking price has dropped by £2,000. You can find this car at Kendrick Cars in Nottingham. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 2 November 2026.

How we estimate prices and check cars

Price

Fair price: £10,702 (7%) under the AskCar estimate of £148,651.

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 1,926 priced Porsche 911 adverts across different ages and specifications, as of 2 November 2026.

A 2021 Porsche 911 with the 3.7 petrol engine is typically advertised at £149,000: the median of the 26 for sale on AskCar, as of 2 November 2026.

Time on sale

This 2021 Porsche 911 has been on sale for at least 23 days.

Price history

AskCar first saw this advert on 10 October 2026 at £139,949. Its asking price is now £137,949, £2,000 less. The latest price cut was seen on 24 October 2026.

Price changes recorded:

  • 10 October 2026: £139,949
  • 24 October 2026: £137,949

Mileage and MOT

Advertised mileage is about 3,100 miles higher than the median mileage of a 2021 Porsche 911 on AskCar.

Similar cars

6 other 2021 Porsche 911 992 Turbo S 3.7 petrol automatic convertibles are for sale at UK dealers, from £140,995 to £174,990, as of 2 November 2026.

The 3 closest to this car in mileage:

  • 2021 Porsche 911 992 Turbo S, 3.7 petrol convertible, grey. Mileage: 13,250 miles. Price: £174,990, £37,041 more than this car. Dealer: F12 Performance in Leeds. AskCar page: https://askcar.co.uk/car/porsche-911-2021-8c6e1f50b6b7
  • 2021 Porsche 911 992 Turbo S, 3.7 petrol convertible, orange. Mileage: 24,000 miles. Price: £146,500, £8,551 more than this car. Dealer: Hillmoren in Leicester. AskCar page: https://askcar.co.uk/car/porsche-911-2021-f728fe10e633
  • 2021 Porsche 911 992 Turbo S, 3.7 petrol convertible, grey. Mileage: 10,700 miles. Price: £159,995, £22,046 more than this car. Dealer: AH Specialist Cars in Watford. AskCar page: https://askcar.co.uk/car/porsche-911-2021-88cb6505265e

Browse all Porsche 911 cars for sale · 2021 Porsche 911 price guide

More like this

Photos

39 photos of this car are on its AskCar page.

As of 2 November 2026, AskCar lists 586,270 cars and vans from 12,920 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.