2021 BMW 8 Series

3.0 840i M Sport Steptronic RWD Euro 6 (s/s) 2dr (328 bhp)

£31,499

Fair price: within 8% of the typical £32,134 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
42,904 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
Black
Doors
2
Driven wheels
Rear Wheel Drive
Gearbox version
Steptronic
Engine badge
840i
Emissions standard
Euro 6

About this car

With 42,904 miles on the clock, this 2021 BMW 8 Series M Sport has done roughly 2,900 more miles than a typical 2021 BMW 8 Series. Its asking price of £31,499 is £635 below our estimate of £32,134. Our estimate draws on 180 BMW 8 Series adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. This car was first seen in our listings data 6 days ago. MOT records show an expiry date of 8 July 2027, and the latest recorded mileage is consistent with the advert. The seller is Williams Bolton Bmw, based in Bolton.

Stock data from 22 October 2026.

How we estimate prices and check cars

Price history

First seen on 17 October 2026, 6 days ago. Advert duration calculated on 23 October 2026.

Recorded asking prices
Date observedAsking price
17 October 2026£31,499
22 October 2026£31,499

Price and mileage comparison

Estimated market asking price: £32,134. The asking price is £635 below 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 2,900 miles higher than typical for a 2021 BMW 8 Series.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 8 July 2027. 39,443 miles at the last test.

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
£32,92550,000 miles
£32,95023,889 miles

These cars have covered 9,250–68,884 miles, compared with 42,904 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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