2023 BMW Z4 2.0 20i M Sport

Overview

• Make: BMW
• Model: Z4
• Trim: M Sport
• Version: 2.0 sDrive 20i M Sport [Tech/Pro Pack] Auto RWD Euro 6 2dr (194 bhp)
• Year: 2023
• Mileage: 20,452 miles
• Fuel: Petrol
• Body: Convertible, 2 doors, 2 seats
• Engine: 2.0 litres, 194 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Black
• CO2: 161 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 BMW Z4 M Sport is advertised with 20,452 miles, approximately 3,400 above the typical mileage for its age. Its asking price of £34,500 is £1,071 above the AskCar estimate of £33,429. To work out the AskCar estimate, we analyse UK dealer adverts for 527 BMW Z4 cars across different ages and specifications. We first saw this car advertised 19 days ago. Its asking price has since fallen by £495. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is for sale at Sytner Sunningdale BMW in Ascot. 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: £1,071 (3%) over the AskCar estimate of £33,429.

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 527 priced BMW Z4 adverts across different ages and specifications, as of 4 November 2026.

A 2023 BMW Z4 with the 2.0 petrol engine is typically advertised at £33,800: the median of the 18 for sale on AskCar, as of 4 November 2026.

Time on sale

This 2023 BMW Z4 has been on sale for at least 19 days.

Price history

AskCar first saw this advert on 16 October 2026 at £34,995. Its asking price is now £34,500, £495 less. The latest price cut was seen on 4 November 2026.

Price changes recorded:

• 16 October 2026: £34,995
• 4 November 2026: £34,500

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 24 April 2027.

It has had one MOT, on 7 April 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 18,285 miles, which matches the advertised 20,452 miles.

Advertised mileage is about 3,400 miles higher than the median mileage of a 2023 BMW Z4 on AskCar.

Similar cars

17 other 2023 BMW Z4 M Sport 2.0 petrol automatic convertibles are for sale at UK dealers, from £29,500 to £36,990, as of 4 November 2026.

The 3 closest to this car in mileage:

• 2023 BMW Z4 M Sport, 2.0 petrol convertible, grey. Mileage: 20,619 miles. Price: £33,698, £802 less than this car. Dealer: Eastern Western Motor Group Eastern BMW in Edinburgh. AskCar page: https://askcar.co.uk/car/bmw-z4-2023-eb0dafb26825
• 2023 BMW Z4 M Sport, 2.0 petrol convertible, red. Mileage: 21,015 miles. Price: £33,999, £501 less than this car. Dealer: Sandles Cars in King's Lynn. AskCar page: https://askcar.co.uk/car/bmw-z4-2023-aaabb75b8e6d
• 2023 BMW Z4 M Sport, 2.0 petrol convertible, red. Mileage: 19,473 miles. Price: £29,500, £5,000 less than this car. Dealer: Sytner Chigwell BMW in Chigwell. AskCar page: https://askcar.co.uk/car/bmw-z4-2023-298e4ab3acc9

• The nearest: 2023 BMW Z4 M Sport, 2.0 petrol convertible, purple, 10 miles from this car. Mileage: 14,675 miles. Price: £35,950, £1,450 more than this car. Dealer: Sytner Maidenhead BMW in Maidenhead. AskCar page: https://askcar.co.uk/car/bmw-z4-2023-5f7d36bdacba