2021 Porsche 911 3.7 992 Turbo S

Price: £148,989. Fair price: £6,857 (4%) over the AskCar estimate of £142,132, our expected asking price for this car from its model, age, mileage and specification, drawing on 1,967 priced Porsche 911 adverts on AskCar as of 6 November 2026.

AskCar lists 2,466 used Porsche 911 from 619 UK dealerships, as of 6 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: 26,000 miles
  • Fuel: Petrol
  • Body: Convertible, 2 doors, 4 seats
  • Engine: 3.7 litres, 641 bhp
  • Gearbox: Automatic (PDK)
  • Drive: Four-wheel drive
  • Colour: Black
  • CO2: 275 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 Porsche 911 992 Turbo S is advertised with 26,000 miles on the clock. The dealer is asking £148,989, which is £6,857 above the AskCar estimate of £142,132. To work out the AskCar estimate, we analyse UK dealer adverts for 1,967 Porsche 911 cars across different ages and specifications. We first recorded this advert 99 days ago, and its asking price has since fallen by £1,000. The latest MOT recorded 26,586 miles, above the advertised mileage. Check this with the dealer. The latest recorded MOT expires on 1 June 2027. It is for sale at Brooklyns in Broxbourne. 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

Fair price: £6,857 (4%) over the AskCar estimate of £142,132.

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 2021 Porsche 911 with the 3.7 petrol engine is typically advertised at £149,200: the median of the 27 for sale on AskCar, as of 6 November 2026.

Time on sale

This 2021 Porsche 911 has been on sale for at least 99 days.

Price history

AskCar first saw this advert on 30 July 2026 at £149,989. Its asking price is now £148,989, £1,000 less. The latest price cut was seen on 4 August 2026.

Price changes recorded:

  • 30 July 2026: £149,989
  • 4 August 2026: £148,989

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 6 November 2026: valid until 1 June 2027.

It has had 4 MOTs. The latest, on 2 June 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 26,586 miles. The advert says 26,000 miles, fewer than the MOT record, so ask the dealer which is right.

Advertised mileage is about 11,000 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 £137,949 to £174,990, as of 6 November 2026.

The 3 closest to this car in mileage:

  • 2021 Porsche 911 992 Turbo S, 3.7 petrol convertible, blue. Mileage: 27,000 miles. Price: £140,995, £7,994 less than this car. Dealer: Yorkshire Vehicle Solutions in York. AskCar page: https://askcar.co.uk/car/porsche-911-2021-7de4e836fbc8
  • 2021 Porsche 911 992 Turbo S, 3.7 petrol convertible, orange. Mileage: 24,000 miles. Price: £146,500, £2,489 less 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, red. Mileage: 18,000 miles. Price: £137,949, £11,040 less than this car. Dealer: Kendrick Cars in Nottingham. AskCar page: https://askcar.co.uk/car/porsche-911-2021-e4becc434b11
  • The nearest: 2021 Porsche 911 992 Turbo S, 3.7 petrol convertible, grey, 17 miles from this car. Mileage: 10,700 miles. Price: £159,995, £11,006 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

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Photos

51 photos of this car are on its AskCar page.

As of 6 November 2026, AskCar lists 598,752 cars and vans from 12,905 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.