2021 BMW X3 2.0 20d MHT Xline

Overview

• Make: BMW
• Model: X3
• Trim: Xline
• Version: 2.0 20d MHT Xline Auto 4WD Euro 6 (s/s) 5dr (187 bhp)
• Year: 2021
• Mileage: 58,057 miles
• Fuel: Diesel, mild hybrid
• Body: SUV, 5 doors, 5 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Blue
• CO2: 158 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 58,057 miles on the clock, this 2021 BMW X3 Xline has done roughly 9,200 more miles than a typical 2021 BMW X3. The dealer is asking £20,880, which is £259 below the AskCar estimate of £21,139. To work out the AskCar estimate, we analyse UK dealer adverts for 3,034 BMW X3 cars across different ages and specifications. We have tracked this advert for 1 day. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Cars2 Omoda Jaecoo Chery Bradford, based in Bradford. 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: £259 (1%) under the AskCar estimate of £21,139.

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 diesel engine is typically advertised at £24,500: the median of the 174 for sale on AskCar, as of 4 November 2026.

Time on sale

AskCar first saw this 2021 BMW X3 advertised 1 day ago. About half of 2021 BMW X3 cars are gone from sale within a month of being advertised: 142 of the 303 first advertised between 13 July 2026 and 1 October 2026.

Price history

AskCar first saw this advert on 3 November 2026 at £20,880. Its asking price has not changed.

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 14 July 2027.

It has had 3 MOTs. The latest, on 16 June 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 53,820 miles, which matches the advertised 58,057 miles.

Advertised mileage is about 9,200 miles higher than the median mileage of a 2021 BMW X3 on AskCar.

Similar cars

2 other 2021 BMW X3 Xline 2.0 diesel automatic SUVs are for sale at UK dealers, from £21,999 to £23,495, as of 4 November 2026.

The 2 closest to this car in mileage:

• 2021 BMW X3 Xline, 2.0 diesel SUV, grey. Mileage: 41,007 miles. Price: £23,495, £2,615 more than this car. Dealer: Central Garage in Galashiels. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-fcc42d558090
• 2021 BMW X3 Xline, 2.0 diesel SUV, grey. Mileage: 35,000 miles. Price: £21,999, £1,119 more than this car. Dealer: Anycolourcar.com in Barnsley. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-0e527b29dea3