2023 BMW X3 2.0 20d MHT Xline

Price: £30,699. Fair price: £209 (under 1%) over the AskCar estimate of £30,490, our expected asking price for this car from its model, age, mileage and specification, drawing on 2,992 priced BMW X3 adverts on AskCar as of 2 November 2026.

AskCar lists 3,072 used BMW X3 from 1,209 UK dealerships, as of 2 November 2026.

Overview

  • Make: BMW
  • Model: X3
  • Trim: Xline
  • Version: 2.0 20d MHT Xline Auto 4WD Euro 6 (s/s) 5dr (187 bhp)
  • Year: 2023
  • Mileage: 28,876 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: 154 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 BMW X3 Xline has covered 28,876 miles. The AskCar estimate for this car is £30,490. It is priced at £30,699, which is £209 above that estimate. The AskCar estimate uses UK dealer asking prices, including 2,992 BMW X3 adverts, and accounts for the car’s age, mileage and specification. We first saw this car advertised 25 days ago. Its asking price has since fallen by £1,300. According to the government's MOT record, its advertised mileage is consistent with the latest test. 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

Fair price: £209 (under 1%) over the AskCar estimate of £30,490.

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 25 days.

Price history

AskCar first saw this advert on 8 October 2026 at £31,999. Its asking price is now £30,699, £1,300 less. The latest price cut was seen on 27 October 2026.

Price changes recorded:

  • 8 October 2026: £31,999
  • 24 October 2026: £30,999
  • 27 October 2026: £30,699

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 12 April 2027.

It has had one MOT, on 25 March 2026, and passed.

Advisories at the latest test: nearside rear tyre slightly damaged/cracking or perishing.

Mileage at that test: 23,957 miles, which matches the advertised 28,876 miles.

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

Similar cars

7 other 2023 BMW X3 Xline 2.0 diesel automatic SUVs are for sale at UK dealers, from £23,895 to £30,995, as of 2 November 2026.

The 3 closest to this car in mileage:

  • 2023 BMW X3 Xline, 2.0 diesel SUV, black. Mileage: 27,400 miles. Price: £30,995, £296 more than this car. Dealer: Agnew Group Bavarian BMW in Belfast. AskCar page: https://askcar.co.uk/car/bmw-x3-2023-31fa1dec7c97
  • 2023 BMW X3 Xline, 2.0 diesel SUV, grey. Mileage: 33,300 miles. Price: £26,990, £3,709 less than this car. Dealer: Main Road Motor Company in Worcester. AskCar page: https://askcar.co.uk/car/bmw-x3-2023-dcb70eadd76b
  • 2023 BMW X3 Xline, 2.0 diesel SUV, white. Mileage: 34,978 miles. Price: £29,590, £1,109 less than this car. Dealer: Williams Bmw Rochdale in Rochdale. AskCar page: https://askcar.co.uk/car/bmw-x3-2023-141f0d20db10
  • The nearest: 2023 BMW X3 Xline, 2.0 diesel SUV, grey, 41 miles from this car. Mileage: 19,944 miles. Price: £29,995, £704 less than this car. Dealer: Lloyd Blackpool BMW in Blackpool. AskCar page: https://askcar.co.uk/car/bmw-x3-2023-470fdf6cf597

Browse all BMW X3 cars for sale · 2023 BMW X3 price guide

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Photos

23 photos of this car are on its AskCar page.

As of 2 November 2026, AskCar lists 586,270 cars and vans from 12,920 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.