2023 BMW X3 2.0 20i MHT Xline

Overview

• Make: BMW
• Model: X3
• Trim: Xline
• Version: 2.0 20i MHT Xline Auto 4WD Euro 6 (s/s) 5dr (181 bhp)
• Year: 2023
• Mileage: 36,000 miles
• Fuel: Petrol, mild hybrid
• Body: SUV, 5 doors, 5 seats
• Engine: 2.0 litres, 181 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Grey
• CO2: 175 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

The advertised mileage for this 2023 BMW X3 Xline is 36,000 miles. Its asking price of £29,890 is £480 above the AskCar estimate of £29,410. The AskCar estimate uses 3,076 UK dealer adverts for the BMW X3, with adjustments for age, mileage, trim, engine and other specifications. We first saw this car advertised 161 days ago. Its asking price has since fallen by £1,900. Ask the dealer why the advert shows fewer miles than the 37,263 recorded at the latest MOT. MOT records show an expiry date of 21 April 2027. The seller is The Car Outlet, based in Dartford. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 5 November 2026.

How we estimate prices and check cars

Price

Fair price: £480 (1%) over the AskCar estimate of £29,410.

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 3,076 priced BMW X3 adverts across different ages and specifications, as of 5 November 2026.

A 2023 BMW X3 with the 2.0 petrol engine is typically advertised at £32,900: the median of the 228 for sale on AskCar, as of 5 November 2026.

Time on sale

This 2023 BMW X3 has been on sale for at least 161 days.

Price history

AskCar first saw this advert on 28 May 2026 at £31,790. Its asking price is now £29,890, £1,900 less. The latest price cut was seen on 4 November 2026.

Price changes recorded:

• 29 May 2026: £31,790
• 24 June 2026: £30,990
• 20 September 2026: £30,490
• 4 November 2026: £29,890

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 21 April 2027.

It has had one MOT, on 22 April 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 37,263 miles. The advert says 36,000 miles, fewer than the MOT record, so ask the dealer which is right.

Advertised mileage is about 6,100 miles higher than the median mileage of a 2023 BMW X3 on AskCar.

Similar cars

6 other 2023 BMW X3 Xline 2.0 petrol automatic SUVs are for sale at UK dealers, from £27,399 to £32,010, as of 5 November 2026.

The 3 closest to this car in mileage:

• 2023 BMW X3 Xline, 2.0 petrol SUV, white. Mileage: 35,682 miles. Price: £27,399, £2,491 less than this car. Dealer: Lookers BMW Crewe in Crewe. AskCar page: https://askcar.co.uk/car/bmw-x3-2023-cf56a684df87
• 2023 BMW X3 Xline, 2.0 petrol SUV, grey. Mileage: 32,607 miles. Price: £31,250, £1,360 more than this car. Dealer: Sytner Leicester BMW in Leicester. AskCar page: https://askcar.co.uk/car/bmw-x3-2023-9f5ddd98bbfd
• 2023 BMW X3 Xline, 2.0 petrol SUV, blue. Mileage: 30,453 miles. Price: £29,734, £156 less than this car. Dealer: Bentley Motor Group in Keighley. AskCar page: https://askcar.co.uk/car/bmw-x3-2023-a2c9392d55c2