2021 BMW X3 3.0 30d MHT M Sport

Overview

• Make: BMW
• Model: X3
• Trim: M Sport
• Version: 3.0 30d MHT M Sport Auto 4WD Euro 6 (s/s) 5dr (282 bhp)
• Year: 2021
• Mileage: 32,656 miles
• Fuel: Diesel, mild hybrid
• Body: SUV, 5 doors, 5 seats
• Engine: 3.0 litres, 282 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Blue
• CO2: 164 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 32,656 miles, this 2021 BMW X3 M Sport has covered about 16,200 fewer miles than other 2021 BMW X3 cars. The AskCar estimate for this car is £31,644. It is priced at £26,750, which is £4,894 below that estimate. The AskCar estimate uses 3,034 UK dealer adverts for the BMW X3, with adjustments for age, mileage, trim, engine and other specifications. We first saw this car advertised 160 days ago. Its asking price has since fallen by £3,750. The recorded MOT expired on 3 April 2026, so ask the dealer whether it has been renewed. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is for sale at Cotswold Group Select in Tewkesbury. 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

Good value: £4,894 (15%) under the AskCar estimate of £31,644.

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 3.0 diesel engine is typically advertised at £32,800: the median of the 41 for sale on AskCar, as of 4 November 2026.

Time on sale

This 2021 BMW X3 has been on sale for at least 160 days.

Price history

AskCar first saw this advert on 28 May 2026 at £30,500. Its asking price is now £26,750, £3,750 less. The latest price cut was seen on 20 October 2026.

Price changes recorded:

• 28 May 2026: £30,500
• 2 June 2026: £30,250
• 16 June 2026: £30,000
• 2 July 2026: £29,750
• 10 July 2026: £29,500
• 20 July 2026: £29,250
• 22 July 2026: £29,000
• 11 August 2026: £28,750
• 14 August 2026: £28,500
• 25 August 2026: £28,250
• 10 September 2026: £28,000
• 22 September 2026: £27,750
• 29 September 2026: £27,500
• 6 October 2026: £27,250
• 15 October 2026: £27,000
• 20 October 2026: £26,750

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: the latest record we hold ran out on 3 April 2026; ask the dealer for the current MOT.

It has had 3 MOTs. The latest, on 20 March 2025, passed.

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

Mileage at that test: 26,341 miles, which matches the advertised 32,656 miles.

Advertised mileage is about 16,200 miles lower than the median mileage of a 2021 BMW X3 on AskCar.

Similar cars

13 other 2021 BMW X3 M Sport 3.0 diesel automatic SUVs are for sale at UK dealers, from £20,450 to £35,900, as of 4 November 2026.

The 3 closest to this car in mileage:

• 2021 BMW X3 M Sport, 3.0 diesel SUV, black. Mileage: 31,209 miles. Price: £30,995, £4,245 more than this car. Dealer: Ballyrobert Mallusk in Belfast. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-9f445228bfa2
• 2021 BMW X3 M Sport, 3.0 diesel SUV, silver. Mileage: 41,202 miles. Price: £29,950, £3,200 more than this car. Dealer: Cotswold Bmw Cheltenham in Cheltenham. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-1991f5e8ff52
• 2021 BMW X3 M Sport, 3.0 diesel SUV, black. Mileage: 23,953 miles. Price: £35,900, £9,150 more than this car. Dealer: Sytner Select Swindon in Swindon. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-21d922754054