2020 BMW 4 Series 2.0 420i M Sport
Price: £20,495. Above the going rate: £3,198 (18%) over the AskCar estimate of £17,297, our expected asking price for this car from its model, age, mileage and specification, drawing on 1,787 priced BMW 4 Series adverts on AskCar as of 2 November 2026.
AskCar lists 1,835 used BMW 4 Series from 1,064 UK dealerships, as of 2 November 2026.
Overview
- Make: BMW
- Model: 4 Series
- Trim: M Sport
- Version: 2.0 420i M Sport Auto RWD Euro 6 (s/s) 2dr (181 bhp)
- Year: 2020
- Mileage: 70,800 miles
- Fuel: Petrol
- Body: Coupe, 2 doors, 4 seats
- Engine: 2.0 litres, 181 bhp
- Gearbox: Automatic
- Drive: Rear-wheel drive
- Colour: Blue
- CO2: 151 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
At 70,800 miles, this 2020 BMW 4 Series M Sport has covered about 28,300 more miles than other 2020 BMW 4 Series cars. The dealer is asking £20,495, which is £3,198 above the AskCar estimate of £17,297. To work out the AskCar estimate, we analyse UK dealer adverts for 1,787 BMW 4 Series cars across different ages and specifications. We first recorded this car for sale 34 days ago. It is advertised by Motorhouse Plumtree in Nottingham. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 2 November 2026.
Price
Above the going rate: £3,198 (18%) over the AskCar estimate of £17,297.
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 1,787 priced BMW 4 Series adverts across different ages and specifications, as of 2 November 2026.
A 2020 BMW 4 Series with the 2.0 petrol engine is typically advertised at £19,500: the median of the 37 for sale on AskCar, as of 2 November 2026.
Time on sale
This 2020 BMW 4 Series has been on sale for at least 34 days.
Price history
AskCar first saw this advert on 29 September 2026 at £20,495. Its asking price has not changed.
Mileage and MOT
Advertised mileage is about 28,300 miles higher than the median mileage of a 2020 BMW 4 Series on AskCar.
Similar cars
14 other 2020 BMW 4 Series M Sport 2.0 petrol automatic coupes are for sale at UK dealers, from £14,790 to £53,950, as of 2 November 2026.
The 3 closest to this car in mileage:
- 2020 BMW 4 Series M Sport, 2.0 petrol coupe, blue. Mileage: 65,356 miles. Price: £20,199, £296 less than this car. Dealer: cinch Corby in Corby. AskCar page: https://askcar.co.uk/car/bmw-4-series-2020-e21ef46b82c9
- 2020 BMW 4 Series M Sport, 2.0 petrol coupe, blue. Mileage: 63,000 miles. Price: £14,790, £5,705 less than this car. Dealer: Dawn Motors in Canterbury. AskCar page: https://askcar.co.uk/car/bmw-4-series-2020-bb099ef14ad0
- 2020 BMW 4 Series M Sport, 2.0 petrol coupe, black. Mileage: 56,510 miles. Price: £15,450, £5,045 less than this car. Dealer: Perfect Car Company in Shrewsbury. AskCar page: https://askcar.co.uk/car/bmw-4-series-2020-e8532209a7e3
- The nearest: 2020 BMW 4 Series M Sport, 2.0 petrol coupe, silver, 34 miles from this car. Mileage: 36,373 miles. Price: £17,999, £2,496 less than this car. Dealer: cinch Corby in Corby. AskCar page: https://askcar.co.uk/car/bmw-4-series-2020-873241c52bd2
Browse all BMW 4 Series cars for sale · 2020 BMW 4 Series price guide
More like this
- Used BMW 4 Series M Sport prices
- Used BMW 4 Series for sale under £30,000
- Used petrol BMW 4 Series for sale
- Used BMW 4 Series for sale near Grantham
Photos
58 photos of this car are on its AskCar page.
As of 2 November 2026, AskCar lists 586,270 cars and vans from 12,920 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.