2023 BMW 4 Series 2.0 420i M Sport
Price: £28,000. Fair price: £826 (2%) under the AskCar estimate of £28,826, 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: 30,852 miles
- Fuel: Petrol
- Body: 2 doors, 4 seats
- Engine: 2.0 litres, 181 bhp
- Gearbox: Automatic
- Drive: Rear-wheel drive
- Colour: White
- CO2: 151 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
This 2023 BMW 4 Series M Sport has covered 30,852 miles. Its asking price of £28,000 is £826 below the AskCar estimate of £28,826. The AskCar estimate uses UK dealer asking prices, including 1,816 BMW 4 Series adverts, and accounts for the car’s age, mileage and specification. This car was first seen in our listings data 8 days ago. The advertised mileage is lower than the latest MOT reading of 38,964 miles. Ask the dealer to explain. Its MOT is recorded as valid until 30 January 2027. You can find this car at Sytner Chigwell BMW in Loughton. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 8 November 2026.
Price
Fair price: £826 (2%) under the AskCar estimate of £28,826.
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 8 days.
Price history
AskCar first saw this advert on 31 October 2026 at £28,000. 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 30 January 2027.
It has had one MOT, on 22 January 2026, and passed.
There were no advisories at the latest test.
Mileage at that test: 38,964 miles. The advert says 30,852 miles, fewer than the MOT record, so ask the dealer which is right.
Advertised mileage is about 2,500 miles higher 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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As of 8 November 2026, AskCar lists 595,762 cars and vans from 12,892 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.