2020 BMW 8 Series Gran Coupe

3.0 840i Steptronic RWD Euro 6 (s/s) 4dr

£28,995

Fair price: within 8% of the typical £29,430 for this model, age and mileage, drawing on 109 adverts of this make and model.

Overview

Make: BMW
Model: 8 Series Gran Coupe
Version: 3.0 840i Steptronic RWD Euro 6 (s/s) 4dr
Mileage: 43,351 miles
Year: 2020
Fuel type: Petrol
Body type: Saloon
Engine: 3.0 L
Gearbox: Automatic
Seats: 5
CO2: 195 g/km
Colour: Grey
Doors: 4
Driven wheels: Rear Wheel Drive
Gearbox version: Steptronic
Engine badge: 840i
Emissions standard: Euro 6

About this car

With 43,351 miles on the clock, this 2020 BMW 8 Series Gran Coupe has done roughly 10,400 fewer miles than a typical 2020 BMW 8 Series Gran Coupe. The dealer is asking £28,995, which is £435 below our market estimate of £29,430. We use UK dealer asking prices, including 109 BMW 8 Series Gran Coupe listings, and account for the car’s age, mileage and specification. The asking price is now £1,000 lower than when we first recorded the advert 151 days ago. That history is worth bearing in mind when speaking to the dealer. Its recorded MOT is valid until 25 November 2026, and its advertised mileage is consistent with the latest MOT reading. It is advertised by Middle Green Motors (Mgm) in Feltham.

Stock data from 23 October 2026.

How we estimate prices and check cars

Price history

First seen on 28 May 2026, 151 days ago. Advert duration calculated on 26 October 2026. Net asking-price reduction: £1,000 from the first recorded £29,995. 3 price reductions recorded, the latest observed on 13 September 2026.

Recorded asking prices
Date observed	Asking price
28 May 2026	£29,995
25 June 2026	£31,995
7 July 2026	£31,995
18 August 2026	£29,995
4 September 2026	£29,495
13 September 2026	£28,995
23 October 2026	£28,995

Price and mileage comparison

Estimated market asking price: £29,430. The asking price is £435 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 109 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 10,400 miles lower than typical for a 2020 BMW 8 Series Gran Coupe.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 25 November 2026. 38,334 miles at the last test.

16 other cars with the same year, trim, gearbox and fuel are for sale from £20,998 to £37,780.

Other matching cars (up to five, cheapest first)
Asking price	Mileage
£20,998	106,354 miles
£22,850	69,075 miles
£22,995	105,650 miles
£24,490	86,000 miles
£24,995	67,165 miles

These cars have covered 30,000–106,354 miles, compared with 43,351 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 · 2020 BMW 8 Series Gran Coupe price guide

Vehicle photos

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