2020 BMW M4 3.0 Competition

Price: £38,470. Fair price: £2,628 (7%) over the AskCar estimate of £35,842, our expected asking price for this car from its model, age, mileage and specification, drawing on 733 priced BMW M4 adverts on AskCar as of 5 November 2026.

AskCar lists 757 used BMW M4 from 482 UK dealerships, as of 5 November 2026.

Overview

  • Make: BMW
  • Model: M4
  • Trim: Competition
  • Version: 3.0 Competition Auto RWD Euro 6 2dr
  • Year: 2020
  • Mileage: 23,495 miles
  • Fuel: Petrol
  • Body: 2 doors, 4 seats
  • Engine: 3.0 litres
  • Gearbox: Automatic
  • Drive: Rear-wheel drive
  • Colour: Black
  • CO2: 227 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 BMW M4 Competition is advertised with 23,495 miles, approximately 14,200 below the typical mileage for its age. The AskCar estimate for this car is £35,842. It is priced at £38,470, which is £2,628 above that estimate. The AskCar estimate uses 733 UK dealer adverts for the BMW M4, with adjustments for age, mileage, trim, engine and other specifications. We first recorded this advert 49 days ago, and its asking price has since fallen by £530. Its advertised mileage matches the government's MOT record. You can find this car at Sytner Harold Wood BMW in Romford. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 5 November 2026.

How we estimate prices and check cars

Price

Fair price: £2,628 (7%) over the AskCar estimate of £35,842.

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 733 priced BMW M4 adverts across different ages and specifications, as of 5 November 2026.

A 2020 BMW M4 with the 3.0 petrol engine is typically advertised at £35,000: the median of the 52 for sale on AskCar, as of 5 November 2026.

Time on sale

This 2020 BMW M4 has been on sale for at least 49 days.

Price history

AskCar first saw this advert on 17 September 2026 at £39,000. Its asking price is now £38,470, £530 less. The latest price cut was seen on 5 November 2026.

Price changes recorded:

  • 17 September 2026: £39,000
  • 3 October 2026: £38,970
  • 20 October 2026: £38,870
  • 5 November 2026: £38,470

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 7 September 2027.

It has had 4 MOTs. The latest, on 8 September 2026, passed.

Advisories at the latest test: nearside rear tyre worn close to legal limit/worn on edge.

Mileage at that test: 23,064 miles, which matches the advertised 23,495 miles.

Advertised mileage is about 14,200 miles lower than the median mileage of a 2020 BMW M4 on AskCar.

Browse all BMW M4 cars for sale · 2020 BMW M4 price guide

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Photos

22 photos of this car are on its AskCar page.

As of 5 November 2026, AskCar lists 595,776 cars and vans from 12,945 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.