2020 BMW 4 Series 3.0 430d M Sport

Overview

• Make: BMW
• Model: 4 Series
• Trim: M Sport
• Version: 3.0 430d M Sport Auto 4WD Euro 6 (s/s) 2dr (254 bhp)
• Year: 2020
• Mileage: 47,124 miles
• Fuel: Diesel
• Body: Coupe, 2 doors, 4 seats
• Engine: 3.0 litres, 254 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Grey
• CO2: 142 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 BMW 4 Series M Sport is advertised with 47,124 miles, approximately 5,300 above the typical mileage for its age. Its asking price of £20,990 is £595 below the AskCar estimate of £21,585. The AskCar estimate draws on 1,814 BMW 4 Series adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We have tracked this advert for 25 days. Its advertised mileage matches the government's MOT record. You can find this car at Avanti Motors in Darlington. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 4 November 2026.

How we estimate prices and check cars

Price

Fair price: £595 (2%) under the AskCar estimate of £21,585.

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 1,814 priced BMW 4 Series adverts across different ages and specifications, as of 4 November 2026.

A 2020 BMW 4 Series with the 3.0 diesel engine is typically advertised at £21,800: the median of the 19 for sale on AskCar, as of 4 November 2026.

Time on sale

This 2020 BMW 4 Series has been on sale for at least 25 days.

Price history

AskCar first saw this advert on 10 October 2026 at £20,990. Its asking price has not changed.

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 15 March 2027.

It has had 5 MOTs. The latest, on 14 March 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 40,643 miles, which matches the advertised 47,124 miles.

Advertised mileage is about 5,300 miles higher than the median mileage of a 2020 BMW 4 Series on AskCar.

Similar cars

4 other 2020 BMW 4 Series M Sport 3.0 diesel automatic coupes are for sale at UK dealers, from £20,190 to £23,295, as of 4 November 2026.

The 3 closest to this car in mileage:

• 2020 BMW 4 Series M Sport, 3.0 diesel coupe, grey. Mileage: 41,824 miles. Price: £22,999, £2,009 more than this car. Dealer: Halliwell Jones Chester BMW in Chester. AskCar page: https://askcar.co.uk/car/bmw-4-series-2020-c446ee78a962
• 2020 BMW 4 Series M Sport, 3.0 diesel coupe, blue. Mileage: 53,295 miles. Price: £20,190, £800 less than this car. Dealer: Evans Halshaw Ford Coatbridge in Coatbridge. AskCar page: https://askcar.co.uk/car/bmw-4-series-2020-34714fb25d82
• 2020 BMW 4 Series M Sport, 3.0 diesel coupe, grey. Mileage: 39,185 miles. Price: £21,000, the same price as this car. Dealer: Whitestone Approved Vehicles in Nuneaton. AskCar page: https://askcar.co.uk/car/bmw-4-series-2020-e1b601cd0754