2023 BMW X3 2.0 20d MHT M Sport

Overview

• Make: BMW
• Model: X3
• Trim: M Sport
• Version: 2.0 20d MHT M Sport Auto 4WD Euro 6 (s/s) 5dr (187 bhp)
• Year: 2023
• Mileage: 50,455 miles
• Fuel: Diesel, mild hybrid
• Body: SUV, 5 doors, 5 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: White
• CO2: 154 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 BMW X3 M Sport is advertised with 50,455 miles, approximately 20,500 above the typical mileage for its age. The dealer is asking £26,650, which is £4,359 below the AskCar estimate of £31,009. To work out the AskCar estimate, we analyse UK dealer adverts for 2,992 BMW X3 cars across different ages and specifications. We first saw this car advertised 68 days ago. Its asking price has since fallen by £3,300. We checked its advertised mileage against the government's MOT record, and they match. The seller is Halliwell Jones Chester BMW, based in Chester. 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

Good value: £4,359 (14%) under the AskCar estimate of £31,009.

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 2,992 priced BMW X3 adverts across different ages and specifications, as of 2 November 2026.

A 2023 BMW X3 with the 2.0 diesel engine is typically advertised at £32,900: the median of the 224 for sale on AskCar, as of 2 November 2026.

Time on sale

This 2023 BMW X3 has been on sale for at least 68 days.

Price history

AskCar first saw this advert on 26 August 2026 at £29,950. Its asking price is now £26,650, £3,300 less. The latest price cut was seen on 31 October 2026.

Price changes recorded:

• 26 August 2026: £29,950
• 23 September 2026: £29,450
• 25 September 2026: £28,950
• 1 October 2026: £28,750
• 8 October 2026: £27,950
• 13 October 2026: £27,750
• 16 October 2026: £27,650
• 20 October 2026: £27,450
• 24 October 2026: £26,950
• 27 October 2026: £26,850
• 29 October 2026: £26,750
• 31 October 2026: £26,650

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 20 April 2027.

It has had one MOT, on 15 April 2026, and passed.

Advisories at the latest test: nearside rear tyre worn close to legal limit/worn on edge; offside rear tyre worn close to legal limit/worn on edge.

Mileage at that test: 45,161 miles, which matches the advertised 50,455 miles.

Advertised mileage is about 20,500 miles higher than the median mileage of a 2023 BMW X3 on AskCar.

Similar cars

104 other 2023 BMW X3 M Sport 2.0 diesel automatic SUVs are for sale at UK dealers, from £27,990 to £38,898, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2023 BMW X3 M Sport, 2.0 diesel SUV, grey. Mileage: 51,302 miles. Price: £31,493, £4,843 more than this car. Dealer: Partridge BMW in Eastleigh. AskCar page: https://askcar.co.uk/car/bmw-x3-2023-b6b3855f9b95
• 2023 BMW X3 M Sport, 2.0 diesel SUV, grey. Mileage: 52,509 miles. Price: £30,750, £4,100 more than this car. Dealer: Sytner Cardiff BMW in Cardiff. AskCar page: https://askcar.co.uk/car/bmw-x3-2023-77b42c937c39
• 2023 BMW X3 M Sport, 2.0 diesel SUV, black. Mileage: 48,000 miles. Price: £31,990, £5,340 more than this car. Dealer: Auto Unit in Newport. AskCar page: https://askcar.co.uk/car/bmw-x3-2023-011424140764

• The nearest: 2023 BMW X3 M Sport, 2.0 diesel SUV, blue, under a mile from this car. Mileage: 30,094 miles. Price: £35,999, £9,349 more than this car. Dealer: Halliwell Jones Chester BMW in Chester. AskCar page: https://askcar.co.uk/car/bmw-x3-2023-8f8444ffe7da