2021 BMW X1 2.0 18d Xline

Overview

• Make: BMW
• Model: X1
• Trim: Xline
• Version: 2.0 18d Xline Auto FWD Euro 6 (s/s) 5dr sDrive (148 bhp)
• Year: 2021
• Mileage: 30,321 miles
• Fuel: Diesel
• Body: SUV, 5 doors, 5 seats
• Engine: 2.0 litres, 148 bhp
• Gearbox: Automatic
• Drive: Front-wheel drive
• Colour: Grey
• CO2: 138 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 BMW X1 Xline is advertised with 30,321 miles on the clock. The dealer is asking £21,450, which is £1,293 above the AskCar estimate of £20,157. To work out the AskCar estimate, we analyse UK dealer adverts for 2,542 BMW X1 cars across different ages and specifications. The dealer may accept less: this car has been on sale for at least 121 days, and its asking price has been cut by £550. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Listers King's Lynn, based in King's Lynn and West Norfolk. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 2 November 2026.

How we estimate prices and check cars

Price

Fair price: £1,293 (6%) over the AskCar estimate of £20,157.

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 2,542 priced BMW X1 adverts across different ages and specifications, as of 2 November 2026.

A 2021 BMW X1 with the 2.0 diesel engine is typically advertised at £20,000: the median of the 101 for sale on AskCar, as of 2 November 2026.

Time on sale

The dealer may accept less. This 2021 BMW X1 has been on sale for at least 121 days, and its asking price has been cut by £550. About half of 2021 BMW X1 cars are gone from sale within a month of being advertised: 94 of the 183 first advertised between 8 July 2026 and 29 September 2026.

Price history

AskCar first saw this advert on 4 July 2026 at £22,000. Its asking price is now £21,450, £550 less. The latest price cut was seen on 22 October 2026.

Price changes recorded:

• 4 July 2026: £22,000
• 16 August 2026: £22,500
• 11 September 2026: £22,250
• 7 October 2026: £22,000
• 18 October 2026: £21,750
• 22 October 2026: £21,450

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 16 January 2027.

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

There were no advisories at the latest test.

Mileage at that test: 26,743 miles, which matches the advertised 30,321 miles.

Advertised mileage is about 300 miles higher than the median mileage of a 2021 BMW X1 on AskCar.

Similar cars

10 other 2021 BMW X1 Xline 2.0 diesel automatic SUVs are for sale at UK dealers, from £16,650 to £22,950, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2021 BMW X1 Xline, 2.0 diesel SUV, black. Mileage: 31,455 miles. Price: £18,495, £2,955 less than this car. Dealer: S & R Motors in Swindon. AskCar page: https://askcar.co.uk/car/bmw-x1-2021-a8a32e59f25d
• 2021 BMW X1 Xline, 2.0 diesel SUV, grey. Mileage: 33,000 miles. Price: £18,500, £2,950 less than this car. Dealer: Sytner Tamworth BMW in Tamworth. AskCar page: https://askcar.co.uk/car/bmw-x1-2021-9b5ac5a2c1d0
• 2021 BMW X1 Xline, 2.0 diesel SUV, white. Mileage: 27,052 miles. Price: £21,475, the same price as this car. Dealer: Motorline Direct in Loughborough. AskCar page: https://askcar.co.uk/car/bmw-x1-2021-431db5d419c5