2023 BMW 4 Series Gran Coupe 2.0 420i M Sport

Version: 2.0 420i M Sport Auto RWD Euro 6 (s/s) 5dr (181 bhp)

Price: £26,595. Fair price: £374 (1%) under the AskCar estimate of £26,969, our expected asking price for this car from its model, age, mileage and specification, drawing on 1,150 priced BMW 4 Series Gran Coupe adverts on AskCar as of 29 October 2026.

AskCar lists 1,190 used BMW 4 Series Gran Coupe from 753 UK dealerships, as of 29 October 2026.

Overview

Make
BMW
Model
4 Series Gran Coupe
Trim
M Sport
Version
2.0 420i M Sport Auto RWD Euro 6 (s/s) 5dr (181 bhp)
Mileage
40,329 miles
Year
2023
Fuel type
Petrol
Body type
Hatchback
Engine
2.0 L
Gearbox
Automatic
Power
181 bhp
Seats
5
CO2
156 g/km
Colour
White
Doors
5
Driven wheels
Rear Wheel Drive
Engine badge
420i
Emissions standard
Euro 6

About this car

This 2023 BMW 4 Series Gran Coupe M Sport has covered 40,329 miles, around 11,300 more miles than is typical for its age. The AskCar estimate for this car is £26,969. It is priced at £26,595, which is £374 below that estimate. The AskCar estimate uses UK dealer asking prices, including 1,150 BMW 4 Series Gran Coupe adverts, and accounts for the car’s age, mileage and specification. We first recorded this car for sale today. MOT records show an expiry date of 2 February 2027, and the latest recorded mileage is consistent with the advert. The seller is Group 1 Chelmsford BMW, based in Chelmsford.

Stock data as of 29 October 2026.

How we estimate prices and check cars

Price history

AskCar first saw this advert on 29 October 2026.

Recorded asking prices
Date observedAsking price
29 October 2026£26,595

Price and mileage comparison

Fair price: £374 (1%) under the AskCar estimate of £26,969.

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 1,150 priced BMW 4 Series Gran Coupe adverts across different ages and specifications, as of 29 October 2026.

Advertised mileage is about 11,300 miles higher than the median mileage of a 2023 BMW 4 Series Gran Coupe on AskCar.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT: valid until 2 February 2027. 32,444 miles at the last test.

Other matching cars

55 other 2023 BMW 4 Series Gran Coupe M Sport automatic petrol cars are for sale at UK dealers from £23,790 to £33,498, as of 29 October 2026.

The 5 cheapest:

The 55 matching cars have covered 11,380 to 66,907 miles, compared with 40,329 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 Gran Coupe cars for sale · 2023 BMW 4 Series Gran Coupe 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 29 October 2026, AskCar lists 587,923 cars and vans from 12,992 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.