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: 41,007 miles
• Fuel: Diesel, mild hybrid
• Body: SUV, 5 doors, 5 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Grey
• CO2: 156 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 41,007 miles, this 2021 BMW X3 Xline has covered about 6,800 fewer miles than other 2021 BMW X3 cars. Priced at £23,495, it is advertised £363 above the AskCar estimate of £23,132. The AskCar estimate uses 3,099 UK dealer adverts for the BMW X3, with adjustments for age, mileage, trim, engine and other specifications. We first saw this car advertised 110 days ago. Its asking price has since fallen by £2,500. Our latest MOT record expired on 7 August 2025. Check the current position with the dealer. The government's MOT record matches its advertised mileage. It is advertised by Central Garage in Galashiels. 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: £363 (1%) over the AskCar estimate of £23,132.

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 2021 BMW X3 with the 2.0 diesel engine is typically advertised at £24,500: the median of the 181 for sale on AskCar, as of 6 November 2026.

Time on sale

This 2021 BMW X3 has been on sale for at least 110 days.

Price history

AskCar first saw this advert on 19 July 2026 at £25,995. Its asking price is now £23,495, £2,500 less. The latest price cut was seen on 3 October 2026.

Price changes recorded:

• 19 July 2026: £25,995
• 3 October 2026: £23,495

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 6 November 2026: the latest record we hold ran out on 7 August 2025; ask the dealer for the current MOT.

It has had one MOT, on 8 August 2024, and passed.

There were no advisories at the latest test.

Mileage at that test: 35,213 miles, which matches the advertised 41,007 miles.

Advertised mileage is about 6,800 miles lower 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 £20,880 to £21,999, as of 6 November 2026.

The 2 closest to this car in mileage:

• 2021 BMW X3 Xline, 2.0 diesel SUV, grey. Mileage: 35,000 miles. Price: £21,999, £1,496 less than this car. Dealer: Anycolourcar.com in Barnsley. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-0e527b29dea3
• 2021 BMW X3 Xline, 2.0 diesel SUV, blue. Mileage: 58,057 miles. Price: £20,880, £2,615 less than this car. Dealer: Cars2 Omoda Jaecoo Chery Bradford in Bradford. AskCar page: https://askcar.co.uk/car/bmw-x3-2021-0de2ee9b207f