2023 BMW 8 Series

3.0 840i M Sport Auto RWD Euro 6 (328 bhp)

£36,590

Fair price: within 8% of the typical £35,463 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 Auto RWD Euro 6 (328 bhp)
Mileage: 37,429 miles
Year: 2023
Fuel type: Petrol
Body type: Coupe
Engine: 3.0 L
Gearbox: Automatic
Power: 328 bhp
CO2: 195 g/km
Colour: Black
Driven wheels: Rear Wheel Drive
Engine badge: 840i
Emissions standard: Euro 6

About this car

At 37,429 miles, this 2023 BMW 8 Series M Sport has covered about 16,100 more miles than other 2023 BMW 8 Series cars. Our estimated market asking price is £35,463. This car is advertised at £36,590, which is £1,127 above that figure. The estimate uses 181 UK dealer adverts for the BMW 8 Series, with adjustments for age, mileage, trim, engine and other specifications. We have tracked this advert for 62 days. You can find this car at Stratstone BMW Maidstone in Aylesford.

Stock data from 20 October 2026.

How we estimate prices and check cars

Price history

First seen on 20 August 2026, 62 days ago. Advert duration calculated on 21 October 2026.

Recorded asking prices
Date observed	Asking price
20 August 2026	£35,990
1 September 2026	£36,290
15 October 2026	£36,590
20 October 2026	£36,590

Price and mileage comparison

Estimated market asking price: £35,463. The asking price is £1,127 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 181 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 16,100 miles higher than typical for a 2023 BMW 8 Series.

MOT

MOT no details held by dvla.

16 other cars with the same year, trim, gearbox and fuel are for sale from £31,890 to £44,990.

Other matching cars (up to five, cheapest first)
Asking price	Mileage
£31,890	55,867 miles
£36,000	23,062 miles
£36,000	44,958 miles
£36,500	32,057 miles
£36,500	25,762 miles

These cars have covered 9,259–55,867 miles, compared with 37,429 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 · 2023 BMW 8 Series price guide

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Dealer

Stratstone BMW Maidstone, Aylesford. Across the dealer network: 108 branches, 2,739 cars for sale.

Dealer postcode: ME20 7XB.

Dealer opening hours

Monday: 08:00-18:00
Tuesday: 08:00-18:00
Wednesday: 08:00-18:00
Thursday: 08:00-18:00
Friday: 08:00-18:00
Saturday: 09:00-17:00
Sunday: 10:00-16:00