2021 BMW 8 Series 3.0 840i M Sport

Overview

• Make: BMW
• Model: 8 Series
• Trim: M Sport
• Version: 3.0 840i M Sport Steptronic RWD Euro 6 (s/s) 2dr (328 bhp)
• Year: 2021
• Mileage: 37,990 miles
• Fuel: Petrol
• Body: Coupe, 2 doors, 4 seats
• Engine: 3.0 litres, 328 bhp
• Gearbox: Automatic (Steptronic)
• Drive: Rear-wheel drive
• Colour: Blue
• CO2: 189 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 BMW 8 Series M Sport is advertised with 37,990 miles, approximately 4,900 below the typical mileage for its age. Priced at £32,970, it is advertised £533 below the AskCar estimate of £33,503. The AskCar estimate uses UK dealer asking prices, including 179 BMW 8 Series adverts, and accounts for the car’s age, mileage and specification. We first saw this car advertised 39 days ago. Its asking price has since fallen by £970. The seller is Dace Specialist Car Centre Manchester - Trading Standards Approved, based in Manchester. 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: £533 (1%) under the AskCar estimate of £33,503.

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 179 priced BMW 8 Series adverts across different ages and specifications, as of 2 November 2026.

A 2021 BMW 8 Series with the 3.0 petrol engine is typically advertised at £32,700: the median of the 22 for sale on AskCar, as of 2 November 2026.

Time on sale

This 2021 BMW 8 Series has been on sale for at least 39 days.

Price history

AskCar first saw this advert on 24 September 2026 at £33,940. Its asking price is now £32,970, £970 less. The latest price cut was seen on 29 October 2026.

Price changes recorded:

• 24 September 2026: £33,940
• 16 October 2026: £33,470
• 29 October 2026: £32,970

Mileage and MOT

Advertised mileage is about 4,900 miles lower than the median mileage of a 2021 BMW 8 Series on AskCar.

Similar cars

10 other 2021 BMW 8 Series M Sport 3.0 petrol automatic coupes are for sale at UK dealers, from £23,695 to £35,995, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2021 BMW 8 Series M Sport, 3.0 petrol coupe, grey. Mileage: 39,000 miles. Price: £30,990, £1,980 less than this car. Dealer: LTV in Manchester. AskCar page: https://askcar.co.uk/car/bmw-8-series-2021-e8c3ca17bf92
• 2021 BMW 8 Series M Sport, 3.0 petrol coupe, blue. Mileage: 36,205 miles. Price: £32,495, £475 less than this car. Dealer: Park's Motor Group Douglas Park BMW Hamilton in Hamilton. AskCar page: https://askcar.co.uk/car/bmw-8-series-2021-5402aa1c7e82
• 2021 BMW 8 Series M Sport, 3.0 petrol coupe, black. Mileage: 42,904 miles. Price: £31,499, £1,471 less than this car. Dealer: Williams Bolton Bmw in Bolton. AskCar page: https://askcar.co.uk/car/bmw-8-series-2021-16b225c2bd75