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: £27,499. Fair price: £25 (under 1%) under the AskCar estimate of £27,524, our expected asking price for this car from its model, age, mileage and specification, drawing on 1,156 priced BMW 4 Series Gran Coupe adverts on AskCar as of 1 November 2026.

AskCar lists 1,183 used BMW 4 Series Gran Coupe from 750 UK dealerships, as of 1 November 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
37,301 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
Black
Doors
5
Driven wheels
Rear Wheel Drive
Engine badge
420i
Emissions standard
Euro 6

About this car

With 37,301 miles on the clock, this 2023 BMW 4 Series Gran Coupe M Sport has done roughly 8,700 more miles than a typical 2023 BMW 4 Series Gran Coupe. The dealer is asking £27,499, which is £25 below the AskCar estimate of £27,524. To work out the AskCar estimate, we analyse UK dealer adverts for 1,156 BMW 4 Series Gran Coupe cars across different ages and specifications. It first appeared in our advert records today. MOT records show an expiry date of 30 March 2027, and the latest recorded mileage is consistent with the advert. The seller is Halliwell Jones Warrington BMW, based in Warrington.

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£27,499

Price and mileage comparison

Fair price: £25 (under 1%) under the AskCar estimate of £27,524.

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 1,156 priced BMW 4 Series Gran Coupe adverts across different ages and specifications, as of 1 November 2026.

Advertised mileage is about 8,700 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 30 March 2027. 31,269 miles at the last test.

Other matching cars

54 other 2023 BMW 4 Series Gran Coupe M Sport automatic petrol cars are for sale at UK dealers from £22,995 to £33,498, as of 1 November 2026.

The 5 cheapest:

The 54 matching cars have covered 11,380 to 66,907 miles, compared with 37,301 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 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.