2021 BMW 8 Series

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

£33,975

Fair price: within 8% of the typical £36,605 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 (328 bhp)
Mileage
17,479 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
Orange
Doors
2
Driven wheels
Rear Wheel Drive
Gearbox version
Steptronic
Engine badge
840i
Emissions standard
Euro 6

About this car

At 17,479 miles, this 2021 BMW 8 Series M Sport has covered about 22,500 fewer miles than other 2021 BMW 8 Series cars. Our estimated market asking price is £36,605. This car is advertised at £33,975, which is £2,630 below that figure. We use UK dealer asking prices, including 177 BMW 8 Series listings, and account for the car’s age, mileage and specification. Since we first spotted the advert 64 days ago, the asking price has dropped by £1,513. The recorded MOT expired on 26 September 2026, so ask the dealer whether it has been renewed. Its advertised mileage is consistent with the latest recorded MOT reading. It is advertised by Junction 17 Cars Peterborough in Yaxley.

Stock data from 23 October 2026.

How we estimate prices and check cars

Price history

First seen on 21 August 2026, 64 days ago. Advert duration calculated on 24 October 2026. Net asking-price reduction: £1,513 from the first recorded £35,488. 3 price reductions recorded, the latest observed on 8 October 2026.

Recorded asking prices
Date observedAsking price
21 August 2026£35,488
25 September 2026£34,975
2 October 2026£34,475
8 October 2026£33,975
23 October 2026£33,975

Price and mileage comparison

Estimated market asking price: £36,605. The asking price is £2,630 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 177 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 22,500 miles lower than typical for a 2021 BMW 8 Series.

The advertised mileage is consistent with the last MOT reading.

The recorded MOT has expired; ask the dealer for an up-to-date MOT.

MOT

MOT valid until 26 September 2026. 12,277 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
£31,49942,904 miles
£32,92550,000 miles

These cars have covered 9,250–68,884 miles, compared with 17,479 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

AskCar lists 589,789 cars from 13,079 UK dealer locations, read and updated daily from dealer websites. More than any other UK site. No dealer pays to be listed.