2023 BMW 4 Series Gran Coupe 2.0 420i M Sport
Version: 2.0 420i M Sport Auto RWD Euro 6 (s/s) 5dr (181 bhp)
Price: £28,795. Fair price: £383 (1%) under the AskCar estimate of £29,178, our expected asking price for this car from its model, age, mileage and specification, drawing on 1,167 priced BMW 4 Series Gran Coupe adverts on AskCar as of 31 October 2026.
AskCar lists 1,189 used BMW 4 Series Gran Coupe from 748 UK dealerships, as of 31 October 2026.
Overview
- Make
- BMW
- Model
- 4 Series Gran Coupe
- Trim
- M Sport
- Version
- 2.0 420i M Sport Auto RWD Euro 6 (s/s) 5dr (181 bhp)
- Mileage
- 26,400 miles
- Year
- 2023
- Fuel type
- Petrol
- Body type
- Hatchback
- Engine
- 2.0 L
- Gearbox
- Automatic
- Power
- 181 bhp
- Seats
- 5
- CO2
- 156 g/km
- Colour
- Grey
- Doors
- 5
- Driven wheels
- Rear Wheel Drive
- Engine badge
- 420i
- Emissions standard
- Euro 6
About this car
The advertised mileage for this 2023 BMW 4 Series Gran Coupe M Sport is 26,400 miles. Its asking price of £28,795 is £383 below the AskCar estimate of £29,178. To work out the AskCar estimate, we analyse UK dealer adverts for 1,167 BMW 4 Series Gran Coupe cars across different ages and specifications. We first recorded this car for sale today. MOT records show an expiry date of 28 April 2027, and the latest recorded mileage is consistent with the advert. The seller is Sandown Group Avocado Newbury, based in Newbury.
Stock data as of 31 October 2026.
Price history
AskCar first saw this advert on 31 October 2026.
| Date observed | Asking price |
|---|---|
| 31 October 2026 | £28,795 |
Price and mileage comparison
Fair price: £383 (1%) under the AskCar estimate of £29,178.
The AskCar estimate is our expected asking price for this car. It uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It is an advertised price, not a confirmed sale price.
It draws on 1,167 priced BMW 4 Series Gran Coupe adverts across different ages and specifications, as of 31 October 2026.
Advertised mileage is about 2,000 miles lower than the median mileage of a 2023 BMW 4 Series Gran Coupe on AskCar.
The advertised mileage is consistent with the last MOT reading.
MOT
MOT: valid until 28 April 2027. 23,121 miles at the last test.
Other matching cars
54 other 2023 BMW 4 Series Gran Coupe M Sport automatic petrol cars are for sale at UK dealers from £22,995 to £33,498, as of 31 October 2026.
The 5 cheapest:
- 2023 BMW 4 Series Gran Coupe. Price: £22,995. Mileage: 66,907 miles. Dealer: Crystal Motor Company in Northampton. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2023-1cabeb0831ca
- 2023 BMW 4 Series Gran Coupe. Price: £23,790. Mileage: 46,202 miles. Dealer: Sytner Sheffield BMW in Sheffield. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2023-083a1de078e6
- 2023 BMW 4 Series Gran Coupe. Price: £23,990. Mileage: 64,533 miles. Dealer: Stratstone Bmw Harrogate in Harrogate. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2023-d5c5a3b1e1f9
- 2023 BMW 4 Series Gran Coupe. Price: £25,190. Mileage: 44,740 miles. Dealer: Evans Halshaw Vauxhall York in York. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2023-5fd81ad27a1a
- 2023 BMW 4 Series Gran Coupe. Price: £25,390. Mileage: 29,806 miles. Dealer: Wynyard Motor Company in Stockton-on-Tees. AskCar page: https://askcar.co.uk/car/bmw-4-series-gran-coupe-2023-1d8dd9100fac
The 54 matching cars have covered 11,380 to 66,907 miles, compared with 26,400 miles for this car.
Matching year, trim, gearbox and fuel does not mean matching mileage or every specification. The AskCar estimate adjusts for these differences.
Browse all BMW 4 Series Gran Coupe cars for sale · 2023 BMW 4 Series Gran Coupe price guide
More like this
How to contact the dealer and its opening hours are on this AskCar page.
As of 31 October 2026, AskCar lists 583,548 cars and vans from 12,716 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.