2020 BMW X3 M 3.0 Competition

Overview

• Make: BMW
• Model: X3 M
• Trim: Competition
• Version: 3.0 M Competition Steptronic 4WD Euro 6 5dr (502 bhp)
• Year: 2020
• Mileage: 37,816 miles
• Fuel: Petrol
• Body: 5 doors, 5 seats
• Engine: 3.0 litres, 502 bhp
• Gearbox: Automatic (Steptronic)
• Drive: Four-wheel drive
• Colour: Grey
• CO2: 261 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 BMW X3 M Competition has covered 37,816 miles, around 7,300 fewer miles than is typical for its age. The dealer is asking £44,771, which is £1,290 above the AskCar estimate of £43,481. To work out the AskCar estimate, we analyse UK dealer adverts for 128 BMW X3 M cars across different ages and specifications. We first recorded this advert 73 days ago, and its asking price has since fallen by £3,500. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Berry Cobham BMW, based in Cobham. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 7 November 2026.

How we estimate prices and check cars

Price

Fair price: £1,290 (2%) over the AskCar estimate of £43,481.

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 128 priced BMW X3 M adverts across different ages and specifications, as of 7 November 2026.

A 2020 BMW X3 M with the 3.0 petrol engine is typically advertised at £40,000: the median of the 15 for sale on AskCar, as of 7 November 2026.

Time on sale

This 2020 BMW X3 M has been on sale for at least 73 days.

Price history

AskCar first saw this advert on 26 August 2026 at £48,271. Its asking price is now £44,771, £3,500 less. The latest price cut was seen on 7 November 2026.

Price changes recorded:

• 26 August 2026: £48,271
• 17 September 2026: £47,771
• 10 October 2026: £46,271
• 31 October 2026: £45,771
• 7 November 2026: £44,771

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 7 November 2026: valid until 28 March 2027.

It has had 4 MOTs. The latest, on 26 March 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 34,096 miles, which matches the advertised 37,816 miles.

Advertised mileage is about 7,300 miles lower than the median mileage of a 2020 BMW X3 M on AskCar.