2021 BMW 8 Series 3.0 840i M Sport
Version: 3.0 840i M Sport Steptronic RWD Euro 6 (s/s) 2dr (328 bhp)
Price: £34,000. Above the going rate: £3,526 (11%) over the AskCar estimate of £30,474, our expected asking price for this car from its model, age, mileage and specification, drawing on 171 priced BMW 8 Series adverts on AskCar as of 30 October 2026.
AskCar lists 178 used BMW 8 Series from 153 UK dealerships, as of 30 October 2026.
Overview
- Make
- BMW
- Model
- 8 Series
- Trim
- M Sport
- Version
- 3.0 840i M Sport Steptronic RWD Euro 6 (s/s) 2dr (328 bhp)
- Mileage
- 55,000 miles
- Year
- 2021
- Fuel type
- Petrol
- Body type
- Coupe
- Engine
- 3.0 L
- Gearbox
- Automatic
- Power
- 328 bhp
- Seats
- 4
- CO2
- 189 g/km
- Colour
- Grey
- Doors
- 2
- Driven wheels
- Rear Wheel Drive
- Gearbox version
- Steptronic
- Engine badge
- 840i
- Emissions standard
- Euro 6
About this car
At 55,000 miles, this 2021 BMW 8 Series M Sport has covered about 15,400 more miles than other 2021 BMW 8 Series cars. The AskCar estimate for this car is £30,474. It is priced at £34,000, which is £3,526 above that estimate. The AskCar estimate draws on 171 BMW 8 Series adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We have tracked this advert for 1 day. MOT records show an expiry date of 18 June 2027, and the latest recorded mileage is consistent with the advert. The seller is Sytner Warwick BMW, based in Warwick.
Stock data as of 30 October 2026.
Price history
AskCar first saw this advert on 29 October 2026, 1 day ago.
| Date observed | Asking price |
|---|---|
| 29 October 2026 | £34,000 |
| 30 October 2026 | £34,000 |
Price and mileage comparison
Above the going rate: £3,526 (11%) over the AskCar estimate of £30,474.
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 171 priced BMW 8 Series adverts across different ages and specifications, as of 30 October 2026.
Advertised mileage is about 15,400 miles higher than the median mileage of a 2021 BMW 8 Series on AskCar.
The advertised mileage is consistent with the last MOT reading.
MOT
MOT: valid until 18 June 2027. 48,999 miles at the last test.
Other matching cars
14 other 2021 BMW 8 Series M Sport automatic petrol cars are for sale at UK dealers from £27,995 to £41,014, as of 30 October 2026.
The 5 cheapest:
- 2021 BMW 8 Series. Price: £27,995. Mileage: 68,884 miles. Dealer: The Country Garage in Ballymena. AskCar page: https://askcar.co.uk/car/bmw-8-series-2021-69feefdd04af
- 2021 BMW 8 Series. Price: £30,990. Mileage: 45,575 miles. Dealer: Main Road Motor Company in Worcester. AskCar page: https://askcar.co.uk/car/bmw-8-series-2021-0d26fd4eb139
- 2021 BMW 8 Series. Price: £30,990. Mileage: 39,000 miles. Dealer: LTV in Manchester. AskCar page: https://askcar.co.uk/car/bmw-8-series-2021-e8c3ca17bf92
- 2021 BMW 8 Series. Price: £31,499. Mileage: 42,904 miles. Dealer: Williams Bolton Bmw in Bolton. AskCar page: https://askcar.co.uk/car/bmw-8-series-2021-16b225c2bd75
- 2021 BMW 8 Series. Price: £32,495. Mileage: 36,205 miles. Dealer: Park's Motor Group Douglas Park BMW Hamilton in Hamilton. AskCar page: https://askcar.co.uk/car/bmw-8-series-2021-5402aa1c7e82
The 14 matching cars have covered 9,250 to 68,884 miles, compared with 55,000 miles for this car.
Matching year, trim, gearbox and fuel does not mean matching mileage or every specification. The AskCar estimate adjusts for these differences.
Browse all BMW 8 Series cars for sale · 2021 BMW 8 Series price guide
More like this
Photos
1 photo of this car is on its AskCar page.
How to contact the dealer and its opening hours are on this AskCar page.
As of 30 October 2026, AskCar lists 580,490 cars and vans from 12,695 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.