2023 BMW 4 Series 2.0 420i M Sport
Price: £29,500. Fair price: £226 (under 1%) over the AskCar estimate of £29,274, our expected asking price for this car from its model, age, mileage and specification, drawing on 1,816 priced BMW 4 Series adverts on AskCar as of 8 November 2026.
AskCar lists 1,873 used BMW 4 Series from 1,080 UK dealerships, as of 8 November 2026.
Overview
- Make: BMW
- Model: 4 Series
- Trim: M Sport
- Version: 2.0 420i M Sport [Pro Pack] Auto RWD Euro 6 2dr Step (181 bhp)
- Year: 2023
- Mileage: 27,651 miles
- Fuel: Petrol
- Body: 2 doors, 4 seats
- Engine: 2.0 litres, 181 bhp
- Gearbox: Automatic
- Drive: Rear-wheel drive
- Colour: Grey
- CO2: 151 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
The advertised mileage for this 2023 BMW 4 Series M Sport is 27,651 miles. Its asking price of £29,500 is £226 above the AskCar estimate of £29,274. To work out the AskCar estimate, we analyse UK dealer adverts for 1,816 BMW 4 Series cars across different ages and specifications. We first recorded this car for sale 9 days ago. Its advertised mileage matches the government's MOT record. The seller is Sytner Solihull BMW, based in Solihull. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 8 November 2026.
Price
Fair price: £226 (under 1%) over the AskCar estimate of £29,274.
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 1,816 priced BMW 4 Series adverts across different ages and specifications, as of 8 November 2026.
A 2023 BMW 4 Series with the 2.0 petrol engine is typically advertised at £29,600: the median of the 86 for sale on AskCar, as of 8 November 2026.
Time on sale
This 2023 BMW 4 Series has been on sale for at least 9 days.
Price history
AskCar first saw this advert on 30 October 2026 at £29,500. Its asking price has not changed.
Mileage and MOT
MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 8 November 2026: valid until 2 March 2027.
It failed its MOT on 13 February 2026 (nearside front windscreen wiper does not clear the windscreen effectively; offside front windscreen wiper does not clear the windscreen effectively) and passed later the same day.
Advisories at the latest test: offside front road wheel slightly distorted.
Mileage at that test: 22,591 miles, which matches the advertised 27,651 miles.
Advertised mileage is about 700 miles lower than the median mileage of a 2023 BMW 4 Series on AskCar.
Browse all BMW 4 Series cars for sale · 2023 BMW 4 Series price guide
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Photos
21 photos of this car are on its AskCar page.
As of 8 November 2026, AskCar lists 595,629 cars and vans from 12,891 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.