2023 BMW 4 Series 2.0 420i M Sport
Price: £29,000. Fair price: £216 (under 1%) over the AskCar estimate of £28,784, our expected asking price for this car from its model, age, mileage and specification, drawing on 1,787 priced BMW 4 Series adverts on AskCar as of 2 November 2026.
AskCar lists 1,835 used BMW 4 Series from 1,064 UK dealerships, as of 2 November 2026.
Overview
- Make: BMW
- Model: 4 Series
- Trim: M Sport
- Version: 2.0 420i M Sport Auto 4WD Euro 6 (s/s) 2dr (181 bhp)
- Year: 2023
- Mileage: 32,799 miles
- Fuel: Petrol
- Body: Coupe, 2 doors, 4 seats
- Engine: 2.0 litres, 181 bhp
- Gearbox: Automatic
- Drive: Four-wheel drive
- Colour: Blue
- CO2: 159 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
With 32,799 miles on the clock, this 2023 BMW 4 Series M Sport has done roughly 4,300 more miles than a typical 2023 BMW 4 Series. The dealer is asking £29,000, which is £216 above the AskCar estimate of £28,784. To work out the AskCar estimate, we analyse UK dealer adverts for 1,787 BMW 4 Series cars across different ages and specifications. We have tracked this advert for 32 days. The seller is Sytner High Wycombe BMW, based in High Wycombe. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 2 November 2026.
Price
Fair price: £216 (under 1%) over the AskCar estimate of £28,784.
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 1,787 priced BMW 4 Series adverts across different ages and specifications, as of 2 November 2026.
A 2023 BMW 4 Series with the 2.0 petrol engine is typically advertised at £29,500: the median of the 82 for sale on AskCar, as of 2 November 2026.
Time on sale
This 2023 BMW 4 Series has been on sale for at least 32 days.
Price history
AskCar first saw this advert on 1 October 2026 at £29,000. Its asking price has not changed.
Mileage and MOT
Advertised mileage is about 4,300 miles higher than the median mileage of a 2023 BMW 4 Series on AskCar.
Similar cars
23 other 2023 BMW 4 Series M Sport 2.0 petrol automatic coupes are for sale at UK dealers, from £24,499 to £34,995, as of 2 November 2026.
The 3 closest to this car in mileage:
- 2023 BMW 4 Series M Sport, 2.0 petrol coupe, blue. Mileage: 33,100 miles. Price: £25,990, £3,010 less than this car. Dealer: S James Prestige in Essendine. AskCar page: https://askcar.co.uk/car/bmw-4-series-2023-4deef9a887a9
- 2023 BMW 4 Series M Sport, 2.0 petrol coupe, white. Mileage: 33,800 miles. Price: £26,995, £2,005 less than this car. Dealer: RDB Car Sales in Burntisland. AskCar page: https://askcar.co.uk/car/bmw-4-series-2023-f71256691768
- 2023 BMW 4 Series M Sport, 2.0 petrol coupe, grey. Mileage: 31,766 miles. Price: £26,250, £2,750 less than this car. Dealer: Vines of Gatwick BMW in Crawley. AskCar page: https://askcar.co.uk/car/bmw-4-series-2023-93e7d14e94db
- The nearest: 2023 BMW 4 Series M Sport, 2.0 petrol coupe, grey, 5 miles from this car. Mileage: 17,191 miles. Price: £31,495, £2,495 more than this car. Dealer: A1 Auto Solutions in Maidenhead. AskCar page: https://askcar.co.uk/car/bmw-4-series-2023-047932d25df5
Browse all BMW 4 Series cars for sale · 2023 BMW 4 Series price guide
More like this
- Used BMW 4 Series M Sport prices
- Used BMW 4 Series for sale under £30,000
- Used petrol BMW 4 Series for sale
- Used BMW 4 Series for sale near High Wycombe
Photos
21 photos of this car are on its AskCar page.
As of 2 November 2026, AskCar lists 586,270 cars and vans from 12,920 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.