2023 BMW X3 3.0 30d MHT M Sport

Overview

• Make: BMW
• Model: X3
• Trim: M Sport
• Version: 3.0 30d MHT M Sport Auto 4WD Euro 6 (s/s) 5dr (282 bhp)
• Year: 2023
• Mileage: 31,065 miles
• Fuel: Diesel, mild hybrid
• Body: SUV, 5 doors, 5 seats
• Engine: 3.0 litres, 282 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Grey
• CO2: 164 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 BMW X3 M Sport has covered 31,065 miles. The AskCar estimate for this car is £38,710. It is priced at £37,990, which is £720 below that estimate. The AskCar estimate uses UK dealer asking prices, including 3,034 BMW X3 adverts, and accounts for the car’s age, mileage and specification. Since we first spotted the advert 45 days ago, the asking price has dropped by £1,260. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Sytner Luton BMW, based in Luton. 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: £720 (1%) under the AskCar estimate of £38,710.

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 2023 BMW X3 with the 3.0 diesel engine is typically advertised at £41,500: the median of the 72 for sale on AskCar, as of 4 November 2026.

Time on sale

This 2023 BMW X3 has been on sale for at least 45 days.

Price history

AskCar first saw this advert on 20 September 2026 at £39,250. Its asking price is now £37,990, £1,260 less. The latest price cut was seen on 24 October 2026.

Price changes recorded:

• 20 September 2026: £39,250
• 9 October 2026: £38,950
• 17 October 2026: £38,500
• 24 October 2026: £37,990

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 19 June 2027.

It has had one MOT, on 21 May 2026, and passed.

Advisories at the latest test: offside front tyre has a cut but not deep enough to reach the ply or cords sidewall cut not deep enough to reach cords; offside rear nail in the tyre.

Mileage at that test: 28,400 miles, which matches the advertised 31,065 miles.

Advertised mileage is about 1,000 miles higher than the median mileage of a 2023 BMW X3 on AskCar.

Similar cars

26 other 2023 BMW X3 M Sport 3.0 diesel automatic SUVs are for sale at UK dealers, from £31,399 to £41,490, as of 4 November 2026.

The 3 closest to this car in mileage:

• 2023 BMW X3 M Sport, 3.0 diesel SUV, black. Mileage: 32,502 miles. Price: £37,949, the same price as this car. Dealer: Lloyd South Lakes BMW in Grange-over-Sands. AskCar page: https://askcar.co.uk/car/bmw-x3-2023-e6c0eeb6bf06
• 2023 BMW X3 M Sport, 3.0 diesel SUV, white. Mileage: 28,964 miles. Price: £36,750, £1,240 less than this car. Dealer: Sytner Cardiff BMW in Cardiff. AskCar page: https://askcar.co.uk/car/bmw-x3-2023-e8292e3f07a0
• 2023 BMW X3 M Sport, 3.0 diesel SUV, blue. Mileage: 33,834 miles. Price: £38,498, £508 more than this car. Dealer: Arnold Clark Inverness BMW in Inverness. AskCar page: https://askcar.co.uk/car/bmw-x3-2023-44d52d9817e1

• The nearest: 2023 BMW X3 M Sport, 3.0 diesel SUV, black, 11 miles from this car. Mileage: 74,583 miles. Price: £32,995, £4,995 less than this car. Dealer: Sytner Stevenage BMW in Stevenage. AskCar page: https://askcar.co.uk/car/bmw-x3-2023-d1be4a4a0cd8