2020 BMW M4

3.0 BiTurbo Competition DCT RWD Euro 6 (s/s) 2dr (444 bhp)

£28,990

Good value: £4,028 under the typical £33,018 for this model, age and mileage, drawing on 727 adverts of this make and model.

Overview

Make: BMW
Model: M4
Trim: COMPETITION
Version: 3.0 BiTurbo Competition DCT RWD Euro 6 (s/s) 2dr (444 bhp)
Mileage: 51,000 miles
Year: 2020
Fuel type: Petrol
Body type: Coupe
Engine: 3.0 L
Gearbox: Automatic
Power: 444 bhp
Seats: 4
CO2: 227 g/km
Colour: Grey
Doors: 2
Driven wheels: Rear Wheel Drive
Gearbox version: DCT
Engine badge: BiTurbo
Emissions standard: Euro 6

About this car

With 51,000 miles on the clock, this 2020 BMW M4 Competition has done roughly 14,300 more miles than a typical 2020 BMW M4. At £28,990, it is advertised £4,028 below our estimated market asking price of £33,018. Our estimate draws on 727 BMW M4 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. This car was first seen in our listings data 146 days ago. You can find this car at ET motor group in Ongar.

Stock data from 20 October 2026.

How we estimate prices and check cars

Price history

First seen on 28 May 2026, 146 days ago. Advert duration calculated on 21 October 2026.

Recorded asking prices
Date observed	Asking price
29 May 2026	£28,990
10 July 2026	£28,990
20 October 2026	£28,990

Price and mileage comparison

Estimated market asking price: £33,018. The asking price is £4,028 below this estimate.

The estimate uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It estimates an advertised price, not a confirmed sale price.

The pricing calculation includes 727 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 14,300 miles higher than typical for a 2020 BMW M4.

36 other cars with the same year, trim, gearbox and fuel are for sale from £28,995 to £41,995.

Other matching cars (up to five, cheapest first)
Asking price	Mileage
£28,995	73,460 miles
£29,990	59,500 miles
£30,950	40,700 miles
£30,998	41,594 miles
£31,795	47,000 miles

These cars have covered 13,300–73,460 miles, compared with 51,000 miles for this car.

Matching year, trim, gearbox and fuel does not mean matching mileage or every specification. Our estimate adjusts for these differences using the wider market data.

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

Dealer

ET motor group, Ongar. Across the dealer network: 81 cars for sale.

Dealer postcode: CM5 9QZ.

Dealer opening hours

Monday: 08:30-17:00
Tuesday: 08:30-17:00
Wednesday: 08:30-17:00
Thursday: 08:30-17:00
Friday: 08:30-17:00
Saturday: 08:30-16:30
Sunday: 08:30-16:30