2020 BMW M4

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

£31,950

Fair price: within 8% of the typical £34,529 for this model, age and mileage, drawing on 732 adverts of this make and model.

Overview

Make
BMW
Model
M4
Trim
COMPETITION
Version
3.0 BiTurbo GPF Competition DCT RWD Euro 6 (s/s) 2dr (444 bhp)
Mileage
40,700 miles
Year
2020
Fuel type
Petrol
Body type
Convertible
Engine
3.0 L
Gearbox
Automatic
Power
444 bhp
Seats
4
CO2
217 g/km
Colour
Blue
Doors
2
Driven wheels
Rear Wheel Drive
Gearbox version
DCT
Engine badge
BiTurbo
Emissions standard
Euro 6

About this car

With 40,700 miles on the clock, this 2020 BMW M4 Competition has done roughly 4,000 more miles than a typical 2020 BMW M4. The dealer is asking £31,950, which is £2,579 below our market estimate of £34,529. To estimate its market asking price, we analyse UK dealer adverts for 732 BMW M4 cars across different ages and specifications. This car was first seen in our listings data 81 days ago. The seller is BJC Car Sales, based in Wimborne.

Stock data from 19 October 2026.

How we estimate prices and check cars

Price history

First seen on 31 July 2026, 81 days ago. Advert duration calculated on 20 October 2026.

Recorded asking prices
Date observedAsking price
31 July 2026£31,950
2 August 2026£31,950
16 August 2026£32,950
22 August 2026£31,950
25 August 2026£32,950
2 September 2026£31,950
20 September 2026£30,950
27 September 2026£31,950
19 October 2026£31,950

Price and mileage comparison

Estimated market asking price: £34,529. The asking price is £2,579 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 732 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 4,000 miles higher than typical for a 2020 BMW M4.

37 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 priceMileage
£28,99573,460 miles
£29,99059,500 miles
£30,99841,594 miles
£31,79547,000 miles
£32,29936,777 miles

These cars have covered 13,300–73,460 miles, compared with 40,700 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

Similar cars for less

Dealer

BJC Car Sales, Wimborne. Across the dealer network: 17 cars for sale.

Dealer postcode: BH21 7NF.

Dealer opening hours

Monday
09:00-20:00
Tuesday
09:00-20:00
Wednesday
09:00-20:00
Thursday
09:00-20:00
Friday
09:00-20:00
Saturday
09:00-20:00
Sunday
09:00-20:00

Vehicle photos