2023 BMW 4 Series 2.0 420i M Sport

Version: 2.0 420i M Sport Auto 4WD Euro 6 (s/s) 2dr (181 bhp)

Price: £28,990. Fair price: £324 (1%) over the AskCar estimate of £28,666, 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 1 November 2026.

AskCar lists 1,816 used BMW 4 Series from 1,043 UK dealerships, as of 1 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)
Mileage
34,650 miles
Year
2023
Fuel type
Petrol
Body type
Coupe
Engine
2.0 L
Gearbox
Automatic
Power
181 bhp
Seats
4
CO2
159 g/km
Colour
Black
Doors
2
Driven wheels
Four Wheel Drive
Engine badge
420i
Emissions standard
Euro 6

About this car

With 34,650 miles on the clock, this 2023 BMW 4 Series M Sport has done roughly 6,500 more miles than a typical 2023 BMW 4 Series. Priced at £28,990, it is advertised £324 above the AskCar estimate of £28,666. The AskCar estimate draws on 1,775 BMW 4 Series adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. It first appeared in our advert records today. MOT records show an expiry date of 27 July 2027, and the latest recorded mileage is consistent with the advert. The seller is MINI UK at Stratstone Chesterfield, based in Chesterfield.

Stock data as of 1 November 2026.

How we estimate prices and check cars

Price history

AskCar first saw this advert on 1 November 2026.

Recorded asking prices
Date observedAsking price
1 November 2026£28,990

Price and mileage comparison

Fair price: £324 (1%) over the AskCar estimate of £28,666.

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 1 November 2026.

Advertised mileage is about 6,500 miles higher 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 27 July 2027. 32,339 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 1 November 2026.

The 5 cheapest:

The 60 matching cars have covered 3,057 to 52,509 miles, compared with 34,650 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

More like this

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 1 November 2026, AskCar lists 578,994 cars and vans from 12,654 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.