2020 BMW 8 Series
3.0 840i M Sport Steptronic RWD Euro 6 (s/s) 2dr (328 bhp)
£36,745
Fair price: within 8% of the typical £34,406 for this model, age and mileage, drawing on 180 adverts of this make and model.
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
- 22,377 miles
- Year
- 2020
- Fuel type
- Petrol
- Body type
- Convertible
- Engine
- 3.0 L
- Gearbox
- Automatic
- Power
- 328 bhp
- Seats
- 4
- CO2
- 194 g/km
- Colour
- Black
- Doors
- 2
- Driven wheels
- Rear Wheel Drive
- Gearbox version
- Steptronic
- Engine badge
- 840i
- Emissions standard
- Euro 6
About this car
At 22,377 miles, this 2020 BMW 8 Series M Sport has covered about 18,100 fewer miles than other 2020 BMW 8 Series cars. The dealer is asking £36,745, which is £2,339 above our market estimate of £34,406. We use UK dealer asking prices, including 180 BMW 8 Series listings, and account for the car’s age, mileage and specification. Since we first spotted the advert 48 days ago, the asking price has dropped by £1,105. MOT records show an expiry date of 12 March 2027, and the latest recorded mileage is consistent with the advert. The seller is Group 1 Reading BMW, based in Reading.
Stock data from 22 October 2026.
Price history
First seen on 5 September 2026, 48 days ago. Advert duration calculated on 23 October 2026. Net asking-price reduction: £1,105 from the first recorded £37,850. 6 price reductions recorded, the latest observed on 21 October 2026.
| Date observed | Asking price |
|---|---|
| 5 September 2026 | £37,850 |
| 12 September 2026 | £37,994 |
| 22 September 2026 | £37,650 |
| 1 October 2026 | £37,489 |
| 3 October 2026 | £36,994 |
| 8 October 2026 | £36,745 |
| 14 October 2026 | £36,450 |
| 15 October 2026 | £36,994 |
| 21 October 2026 | £36,745 |
| 22 October 2026 | £36,745 |
Price and mileage comparison
Estimated market asking price: £34,406. The asking price is £2,339 above this estimate.
The estimate uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It estimates an advertised price, not a confirmed sale price.
The pricing calculation includes 180 adverts of this make and model across different ages and specifications.
Advertised mileage is approximately 18,100 miles lower than typical for a 2020 BMW 8 Series.
The advertised mileage is consistent with the last MOT reading.
MOT
MOT valid until 12 March 2027. 20,006 miles at the last test.
10 other cars with the same year, trim, gearbox and fuel are for sale from £23,994 to £36,000.
| Asking price | Mileage |
|---|---|
| £23,994 | 96,958 miles |
| £25,898 | 59,649 miles |
| £29,384 | 39,197 miles |
| £30,949 | 35,000 miles |
| £30,995 | 56,298 miles |
These cars have covered 9,081–96,958 miles, compared with 22,377 miles for this car.
Matching year, trim, gearbox and fuel does not mean matching mileage or every specification. Our estimate adjusts for these differences using the wider market data.
Browse all BMW 8 Series cars for sale · 2020 BMW 8 Series price guide
How to contact the dealer, its opening hours and the cheaper cars like this one are on this AskCar page.
Vehicle photos
- 2020 BMW 8 Series photo 1
- 2020 BMW 8 Series photo 2
- 2020 BMW 8 Series photo 3
- 2020 BMW 8 Series photo 4
- 2020 BMW 8 Series photo 5
- 2020 BMW 8 Series photo 6
- 2020 BMW 8 Series photo 7
- 2020 BMW 8 Series photo 8
- 2020 BMW 8 Series photo 9
- 2020 BMW 8 Series photo 10
- 2020 BMW 8 Series photo 11
- 2020 BMW 8 Series photo 12
- 2020 BMW 8 Series photo 13
- 2020 BMW 8 Series photo 14
- 2020 BMW 8 Series photo 15
- 2020 BMW 8 Series photo 16
- 2020 BMW 8 Series photo 17
- 2020 BMW 8 Series photo 18
- 2020 BMW 8 Series photo 19
- 2020 BMW 8 Series photo 20
- 2020 BMW 8 Series photo 21
- 2020 BMW 8 Series photo 22
- 2020 BMW 8 Series photo 23
- 2020 BMW 8 Series photo 24
AskCar lists 588,092 cars from 13,071 UK dealer locations, read and updated daily from dealer websites. More than any other UK site. No dealer pays to be listed.