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 £34,168 for this model, age and mileage, drawing on 181 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
32,433 miles
Year
2021
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 32,433 miles, this 2021 BMW 8 Series M Sport has covered about 7,100 fewer miles than other 2021 BMW 8 Series cars. The dealer is asking £33,975, which is £193 below our market estimate of £34,168. Our estimate draws on 181 BMW 8 Series adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. Since we first spotted the advert 69 days ago, the asking price has dropped by £2,000. That history is worth bearing in mind when speaking to the dealer. Its MOT is recorded as valid until 10 June 2027. The advertised mileage is consistent with the latest MOT reading. It is for sale at PCBS Sales in Tonbridge.

Stock data from 20 October 2026.

How we estimate prices and check cars

Price history

First seen on 13 August 2026, 69 days ago. Advert duration calculated on 21 October 2026. Net asking-price reduction: £2,000 from the first recorded £35,975. 2 price reductions recorded, the latest observed on 17 September 2026.

Recorded asking prices
Date observedAsking price
13 August 2026£35,975
15 September 2026£34,975
17 September 2026£33,975
20 October 2026£33,975

Price and mileage comparison

Estimated market asking price: £34,168. The asking price is £193 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 181 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 7,100 miles lower than typical for a 2021 BMW 8 Series.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 10 June 2027. 31,004 miles at the last test.

14 other cars with the same year, trim, gearbox and fuel are for sale from £27,995 to £41,218.

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 32,433 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

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Dealer

PCBS Sales, Tonbridge. Across the dealer network: 2 branches, 138 cars for sale.

Dealer postcode: TN12 5HH.

Dealer opening hours

Monday
09:00-17:30
Tuesday
09:00-17:30
Wednesday
09:00-17:30
Thursday
09:00-17:30
Friday
09:00-17:30
Saturday
09:00-16:00
Sunday
Closed

Vehicle photos