2021 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: £16,995. Good value: £4,498 (20%) under the AskCar estimate of £21,493, our expected asking price for this car from its model, age, mileage and specification, drawing on 1,153 priced BMW 4 Series Gran Coupe adverts on AskCar as of 30 October 2026.

AskCar lists 1,177 used BMW 4 Series Gran Coupe from 741 UK dealerships, as of 30 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
51,800 miles
Year
2021
Fuel type
Petrol
Body type
Hatchback
Engine
2.0 L
Gearbox
Automatic
Power
181 bhp
Seats
5
CO2
156 g/km
Colour
Blue
Doors
5
Driven wheels
Rear Wheel Drive
Engine badge
420i
Emissions standard
Euro 6

About this car

This 2021 BMW 4 Series Gran Coupe M Sport has covered 51,800 miles, around 5,300 more miles than is typical for its age. The AskCar estimate for this car is £21,493. It is priced at £16,995, which is £4,498 below that estimate. The AskCar estimate draws on 1,153 BMW 4 Series Gran Coupe adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We have tracked this advert today. Its recorded MOT is valid until 30 May 2027, and its advertised mileage is consistent with the latest MOT reading. It is advertised by DGA Cars in Downham Market.

Stock data as of 30 October 2026.

How we estimate prices and check cars

Price history

AskCar first saw this advert on 30 October 2026.

Recorded asking prices
Date observedAsking price
30 October 2026£16,995

Price and mileage comparison

Good value: £4,498 (20%) under the AskCar estimate of £21,493.

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 1,153 priced BMW 4 Series Gran Coupe adverts across different ages and specifications, as of 30 October 2026.

Advertised mileage is about 5,300 miles higher than the median mileage of a 2021 BMW 4 Series Gran Coupe on AskCar.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT: valid until 30 May 2027. 47,316 miles at the last test.

Other matching cars

16 other 2021 BMW 4 Series Gran Coupe M Sport automatic petrol cars are for sale at UK dealers from £16,995 to £53,950, as of 30 October 2026.

The 5 cheapest:

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 · 2021 BMW 4 Series Gran Coupe price guide

More like this

Photos

13 photos of this car are on its AskCar page.

How to contact the dealer and its opening hours are on this AskCar page.

As of 30 October 2026, AskCar lists 580,490 cars and vans from 12,695 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.