2020 BMW X3 2.0 20i M Sport

Overview

• Make: BMW
• Model: X3
• Trim: M Sport
• Version: 2.0 M Sport Auto 4WD Euro 6 5dr (181 bhp)
• Year: 2020
• Mileage: 79,639 miles
• Fuel: Petrol
• Body: SUV, 5 doors, 5 seats
• Engine: 2.0 litres, 181 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Blue
• CO2: 154 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 79,639 miles on the clock, this 2020 BMW X3 M Sport has done roughly 27,500 more miles than a typical 2020 BMW X3. Priced at £20,788, it is advertised £617 above the AskCar estimate of £20,171. To work out the AskCar estimate, we analyse UK dealer adverts for 3,099 BMW X3 cars across different ages and specifications. We first recorded this car for sale 8 days ago. The government's MOT record matches its advertised mileage. It is advertised by The Car Guys in Dunstable. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 6 November 2026.

How we estimate prices and check cars

Price

Fair price: £617 (3%) over the AskCar estimate of £20,171.

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 3,099 priced BMW X3 adverts across different ages and specifications, as of 6 November 2026.

A 2020 BMW X3 with the 2.0 petrol engine is typically advertised at £22,000: the median of the 104 for sale on AskCar, as of 6 November 2026.

Time on sale

This 2020 BMW X3 has been on sale for at least 8 days.

Price history

AskCar first saw this advert on 29 October 2026 at £19,489. Its asking price is now £20,788, £1,299 more.

Price changes recorded:

• 29 October 2026: £19,489
• 3 November 2026: £20,788

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 6 November 2026: valid until 1 April 2027.

It has had 5 MOTs. The latest, on 2 April 2026, passed.

Advisories at the latest test: nearside front tyre worn close to legal limit/worn on edge; offside front tyre worn close to legal limit/worn on edge; nearside rear tyre worn close to legal limit/worn on edge; and 1 more.

Mileage at that test: 72,361 miles, which matches the advertised 79,639 miles.

Advertised mileage is about 27,500 miles higher than the median mileage of a 2020 BMW X3 on AskCar.

Similar cars

8 other 2020 BMW X3 M Sport 2.0 petrol automatic SUVs are for sale at UK dealers, from £19,500 to £29,000, as of 6 November 2026.

The 3 closest to this car in mileage:

• 2020 BMW X3 M Sport, 2.0 petrol SUV, grey. Mileage: 74,318 miles. Price: £20,995, £207 more than this car. Dealer: Elton Cars in Peterborough. AskCar page: https://askcar.co.uk/car/bmw-x3-2020-a1b4cedcbd77
• 2020 BMW X3 M Sport, 2.0 petrol SUV, silver. Mileage: 74,141 miles. Price: £19,500, £1,288 less than this car. Dealer: Sytner High Wycombe BMW in High Wycombe. AskCar page: https://askcar.co.uk/car/bmw-x3-2020-b5a36dd8305e
• 2020 BMW X3 M Sport, 2.0 petrol SUV, grey. Mileage: 58,750 miles. Price: £23,999, £3,211 more than this car. Dealer: MINI UK at Cotswold Hereford in Hereford. AskCar page: https://askcar.co.uk/car/bmw-x3-2020-13ac9b97efa3