2021 BMW X3 2.0 30e M Sport

Overview

• Make: BMW
• Model: X3
• Trim: M Sport
• Version: 2.0 12kWh 30e M Sport Auto 4WD Euro 6 (s/s) 5dr (288 bhp)
• Year: 2021
• Mileage: 83,979 miles
• Fuel: Plug-in hybrid (petrol)
• Body: SUV, 5 doors, 5 seats
• Engine: 2.0 litres, 288 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: White
• CO2: 47 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 83,979 miles on the clock, this 2021 BMW X3 M Sport has done roughly 35,100 more miles than a typical 2021 BMW X3. Priced at £19,800, it is advertised £1,093 below the AskCar estimate of £20,893. To work out the AskCar estimate, we analyse UK dealer adverts for 3,034 BMW X3 cars across different ages and specifications. Since we first spotted the advert 81 days ago, the asking price has dropped by £3,000. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is advertised by Car Planet Barnet in New Southgate. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 4 November 2026.

How we estimate prices and check cars

Price

Fair price: £1,093 (5%) under the AskCar estimate of £20,893.

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 3,034 priced BMW X3 adverts across different ages and specifications, as of 4 November 2026.

A 2021 BMW X3 with the 2.0 plug-in hybrid engine is typically advertised at £24,500: the median of the 174 for sale on AskCar, as of 4 November 2026.

Time on sale

This 2021 BMW X3 has been on sale for at least 81 days.

Price history

AskCar first saw this advert on 15 August 2026 at £22,800. Its asking price is now £19,800, £3,000 less. The latest price cut was seen on 3 November 2026.

Price changes recorded:

• 15 August 2026: £22,800
• 8 September 2026: £22,500
• 15 September 2026: £22,200
• 22 September 2026: £21,900
• 28 September 2026: £21,600
• 4 October 2026: £21,300
• 9 October 2026: £21,000
• 16 October 2026: £20,700
• 21 October 2026: £20,400
• 28 October 2026: £20,100
• 3 November 2026: £19,800

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 26 May 2027.

It has had 4 MOTs. The latest, on 27 May 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 83,970 miles, which matches the advertised 83,979 miles.

Advertised mileage is about 35,100 miles higher than the median mileage of a 2021 BMW X3 on AskCar.

Similar cars

34 other 2021 BMW X3 M Sport 2.0 plug-in hybrid automatic SUVs are for sale at UK dealers, from £16,580 to £34,000, as of 4 November 2026.

The 3 closest to this car in mileage:

• 2021 BMW X3 M Sport, 2.0 plug-in hybrid SUV, blue. Mileage: 84,321 miles. Price: £18,990, £810 less than this car. Dealer: Carworld Car Supermarket in Peterborough. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-ff867d1de317
• 2021 BMW X3 M Sport, 2.0 plug-in hybrid SUV, white. Mileage: 84,918 miles. Price: £20,300, £500 more than this car. Dealer: Quality Part X Dunstable in Dunstable. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-2812bdb02c64
• 2021 BMW X3 M Sport, 2.0 plug-in hybrid SUV, black. Mileage: 86,000 miles. Price: £26,995, £7,195 more than this car. Dealer: HB Autos in Glasgow. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-602132c1afd7

• The nearest: 2021 BMW X3 M Sport, 2.0 plug-in hybrid SUV, black, 6 miles from this car. Mileage: 54,600 miles. Price: £23,990, £4,190 more than this car. Dealer: UK Wheels in Edgware. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-ab756ada5423