2023 BMW 8 Series Gran Coupe

3.0 840i M Sport Steptronic RWD Euro 6 (s/s) 4dr (328 bhp)

£36,899

Fair price: within 8% of the typical £35,584 for this model, age and mileage, drawing on 109 adverts of this make and model.

Overview

Make: BMW
Model: 8 Series Gran Coupe
Trim: M SPORT
Version: 3.0 840i M Sport Steptronic RWD Euro 6 (s/s) 4dr (328 bhp)
Mileage: 31,720 miles
Year: 2023
Fuel type: Petrol
Body type: Saloon
Engine: 3.0 L
Gearbox: Automatic
Power: 328 bhp
Seats: 5
CO2: 195 g/km
Colour: Red
Doors: 4
Driven wheels: Rear Wheel Drive
Gearbox version: Steptronic
Engine badge: 840i
Emissions standard: Euro 6

About this car

This 2023 BMW 8 Series Gran Coupe M Sport is advertised with 31,720 miles, approximately 5,300 above the typical mileage for its age. Our estimated market asking price is £35,584. This car is advertised at £36,899, which is £1,315 above that figure. The estimate uses 109 UK dealer adverts for the BMW 8 Series Gran Coupe, with adjustments for age, mileage, trim, engine and other specifications. Since we first spotted the advert 87 days ago, the asking price has dropped by £5,100. That may be worth mentioning if you discuss the price with the dealer. MOT records show an expiry date of 28 March 2027, and the latest recorded mileage is consistent with the advert. The seller is Halliwell Jones Wilmslow BMW, based in Wilmslow.

Stock data from 23 October 2026.

How we estimate prices and check cars

Price history

First seen on 29 July 2026, 87 days ago. Advert duration calculated on 24 October 2026. Net asking-price reduction: £5,100 from the first recorded £41,999. 16 price reductions recorded, the latest observed on 21 October 2026.

Recorded asking prices
Date observed	Asking price
29 July 2026	£41,999
30 July 2026	£41,999
22 August 2026	£41,499
12 September 2026	£40,799
23 September 2026	£39,999
30 September 2026	£39,499
2 October 2026	£38,499
3 October 2026	£38,399
7 October 2026	£37,999
8 October 2026	£37,899
10 October 2026	£37,499
13 October 2026	£37,449
14 October 2026	£37,399
15 October 2026	£37,349
16 October 2026	£37,299
17 October 2026	£36,999
20 October 2026	£36,949
21 October 2026	£36,899
23 October 2026	£36,899

Price and mileage comparison

Estimated market asking price: £35,584. The asking price is £1,315 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 109 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 5,300 miles higher than typical for a 2023 BMW 8 Series Gran Coupe.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 28 March 2027. 28,995 miles at the last test.

19 other cars with the same year, trim, gearbox and fuel are for sale from £34,720 to £41,995.

Other matching cars (up to five, cheapest first)
Asking price	Mileage
£34,720	35,966 miles
£34,749	35,000 miles
£35,499	33,734 miles
£35,990	13,701 miles
£35,994	25,000 miles

These cars have covered 13,701–41,967 miles, compared with 31,720 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 Gran Coupe cars for sale · 2023 BMW 8 Series Gran Coupe price guide

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Vehicle photos

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