2023 BMW 4 Series 2.0 420i M Sport
Version: 2.0 420i M Sport Auto RWD Euro 6 (s/s) 2dr (181 bhp)
Price: £31,995. Fair price: £1,652 (5%) over the AskCar estimate of £30,343, our expected asking price for this car from its model, age, mileage and specification, drawing on 1,775 priced BMW 4 Series adverts on AskCar as of 31 October 2026.
AskCar lists 1,813 used BMW 4 Series from 1,042 UK dealerships, as of 31 October 2026.
Overview
- Make
- BMW
- Model
- 4 Series
- Trim
- M Sport
- Version
- 2.0 420i M Sport Auto RWD Euro 6 (s/s) 2dr (181 bhp)
- Mileage
- 23,000 miles
- Year
- 2023
- Fuel type
- Petrol
- Body type
- Convertible
- Engine
- 2.0 L
- Gearbox
- Automatic
- Power
- 181 bhp
- Seats
- 4
- CO2
- 160 g/km
- Colour
- Grey
- Doors
- 2
- Driven wheels
- Rear Wheel Drive
- Engine badge
- 420i
- Emissions standard
- Euro 6
About this car
This 2023 BMW 4 Series M Sport has covered 23,000 miles, around 5,100 fewer miles than is typical for its age. Its asking price of £31,995 is £1,652 above the AskCar estimate of £30,343. The AskCar estimate uses 1,775 UK dealer adverts for the BMW 4 Series, with adjustments for age, mileage, trim, engine and other specifications. We first recorded this car for sale 1 day ago. Its recorded MOT is valid until 30 July 2027, and its advertised mileage is consistent with the latest MOT reading. The seller is MINI UK at Stratstone Tunbridge Wells, based in Tunbridge Wells.
Stock data as of 31 October 2026.
Price history
AskCar first saw this advert on 30 October 2026, 1 day ago.
| Date observed | Asking price |
|---|---|
| 30 October 2026 | £31,995 |
| 31 October 2026 | £31,995 |
Price and mileage comparison
Fair price: £1,652 (5%) over the AskCar estimate of £30,343.
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 1,775 priced BMW 4 Series adverts across different ages and specifications, as of 31 October 2026.
Advertised mileage is about 5,100 miles lower than the median mileage of a 2023 BMW 4 Series on AskCar.
The advertised mileage is consistent with the last MOT reading.
MOT
MOT: valid until 30 July 2027. 21,980 miles at the last test.
Other matching cars
60 other 2023 BMW 4 Series M Sport automatic petrol cars are for sale at UK dealers from £24,499 to £35,880, as of 31 October 2026.
The 5 cheapest:
- 2023 BMW 4 Series. Price: £24,499. Mileage: 37,350 miles. Dealer: Anycolourcar.com in Barnsley. AskCar page: https://askcar.co.uk/car/bmw-4-series-2023-651c0b9302f9
- 2023 BMW 4 Series. Price: £24,980. Mileage: 39,899 miles. Dealer: Stratstone BMW Milton Keynes in Milton Keynes. AskCar page: https://askcar.co.uk/car/bmw-4-series-2023-200000c3827f
- 2023 BMW 4 Series. Price: £24,999. Mileage: 45,203 miles. Dealer: Webuycarsformore.com in Newcastle upon Tyne. AskCar page: https://askcar.co.uk/car/bmw-4-series-2023-edd1c8d2e9c9
- 2023 BMW 4 Series. Price: £25,295. Mileage: 45,750 miles. Dealer: Evo Motor Group in Watford. AskCar page: https://askcar.co.uk/car/bmw-4-series-2023-545c255c9bea
- 2023 BMW 4 Series. Price: £25,890. Mileage: 51,584 miles. Dealer: Sytner Sheffield BMW in Sheffield. AskCar page: https://askcar.co.uk/car/bmw-4-series-2023-d8d0020c6888
The 60 matching cars have covered 3,057 to 52,509 miles, compared with 23,000 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 cars for sale · 2023 BMW 4 Series price guide
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Photos
1 photo of this car is on its AskCar page.
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.