2021 BMW 8 Series

3.0 840i M Sport Steptronic RWD Euro 6 (s/s) 2dr

£34,980

Above the going rate: £4,633 over the typical £30,347 for this model, age and mileage, drawing on 177 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
Mileage
40,000 miles
Year
2021
Fuel type
Petrol
Body type
Convertible
Engine
3.0 L
Gearbox
Automatic
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

This 2021 BMW 8 Series M Sport is advertised with 40,000 miles on the clock. At £34,980, it is advertised £4,633 above our estimated market asking price of £30,347. The estimate uses 177 UK dealer adverts for the BMW 8 Series, with adjustments for age, mileage, trim, engine and other specifications. We first saw this car advertised 56 days ago. Its asking price has since fallen by £5,000. The seller is Auto100.Co.Uk, based in Sutton-in-Ashfield.

Stock data from 23 October 2026.

How we estimate prices and check cars

Price history

First seen on 29 August 2026, 56 days ago. Advert duration calculated on 24 October 2026. Net asking-price reduction: £5,000 from the first recorded £39,980. 7 price reductions recorded, the latest observed on 10 October 2026.

Recorded asking prices
Date observedAsking price
29 August 2026£39,980
5 September 2026£38,980
12 September 2026£37,980
19 September 2026£37,480
26 September 2026£36,980
2 October 2026£35,980
7 October 2026£35,480
10 October 2026£34,980
23 October 2026£34,980

Price and mileage comparison

Estimated market asking price: £30,347. The asking price is £4,633 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 177 adverts of this make and model across different ages and specifications.

14 other cars with the same year, trim, gearbox and fuel are for sale from £27,995 to £41,014.

Other matching cars (up to five, cheapest first)
Asking priceMileage
£27,99568,884 miles
£30,99045,575 miles
£30,99039,000 miles
£31,49942,904 miles
£32,92550,000 miles

These cars have covered 9,250–68,884 miles, compared with 40,000 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 · 2021 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

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