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: 34,994 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: Grey
• CO2: 47 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 BMW X3 M Sport is advertised with 34,994 miles, approximately 13,900 below the typical mileage for its age. The dealer is asking £28,600, which is £325 above the AskCar estimate of £28,275. To work out the AskCar estimate, we analyse UK dealer adverts for 3,034 BMW X3 cars across different ages and specifications. We first saw this car advertised 39 days ago. Its asking price has since fallen by £400. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Saxtons.co.uk, based in Chelmsford. 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: £325 (1%) over the AskCar estimate of £28,275.

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 39 days.

Price history

AskCar first saw this advert on 26 September 2026 at £29,000. Its asking price is now £28,600, £400 less. The latest price cut was seen on 3 November 2026.

Price changes recorded:

• 26 September 2026: £29,000
• 6 October 2026: £28,900
• 7 October 2026: £28,850
• 8 October 2026: £28,800
• 22 October 2026: £28,700
• 3 November 2026: £28,600

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 5 December 2026.

It has had 3 MOTs. The latest, on 17 November 2025, passed.

Advisories at the latest test: nearside rear outer tyre has a cut but not deep enough to reach the ply or cords; nearside front outer tyre worn close to legal limit/worn on edge; offside front outer tyre worn close to legal limit/worn on edge.

Mileage at that test: 29,524 miles, which matches the advertised 34,994 miles.

Advertised mileage is about 13,900 miles lower 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: 34,355 miles. Price: £24,487, £4,113 less than this car. Dealer: Prestige Cars Kent in Bromley. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-4c568eab7f13
• 2021 BMW X3 M Sport, 2.0 plug-in hybrid SUV, blue. Mileage: 35,803 miles. Price: £28,990, £390 more than this car. Dealer: Barretts BMW Canterbury in Canterbury. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-13a5f0b8c1a1
• 2021 BMW X3 M Sport, 2.0 plug-in hybrid SUV, black. Mileage: 32,500 miles. Price: £26,495, £2,105 less than this car. Dealer: JCB Kia Rainham in Gillingham. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-705651a1741d

• The nearest: 2021 BMW X3 M Sport, 2.0 plug-in hybrid SUV, blue, 10 miles from this car. Mileage: 110,000 miles. Price: £17,500, £11,100 less than this car. Dealer: Browns Car Company in Maldon. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-0856d401644c