2023 BMW Z4 3.0 M40i

Price: £40,000. Fair price: £86 (under 1%) under the AskCar estimate of £40,086, our expected asking price for this car from its model, age, mileage and specification, drawing on 525 priced BMW Z4 adverts on AskCar as of 10 November 2026.

AskCar lists 572 used BMW Z4 from 411 UK dealerships, as of 10 November 2026.

Overview

  • Make: BMW
  • Model: Z4
  • Version: 3.0 M40i sDrive Auto RWD Euro 6 (s/s) 2dr (335 bhp)
  • Year: 2023
  • Mileage: 17,205 miles
  • Fuel: Petrol
  • Body: Convertible, 2 doors, 2 seats
  • Engine: 3.0 litres, 335 bhp
  • Gearbox: Automatic
  • Drive: Rear-wheel drive
  • Colour: Black
  • CO2: 184 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

The advertised mileage for this 2023 BMW Z4 is 17,205 miles. Its asking price of £40,000 is £86 below the AskCar estimate of £40,086. The AskCar estimate uses UK dealer asking prices, including 525 BMW Z4 adverts, and accounts for the car’s age, mileage and specification. We first saw this car advertised 102 days ago. Its asking price has since fallen by £5,000. The seller is Sytner Sunningdale BMW, based in Ascot. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 10 November 2026.

How we estimate prices and check cars

Sytner Sunningdale BMW is rated 4.5 out of 5 on Google.

Price

Fair price: £86 (under 1%) under the AskCar estimate of £40,086.

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 525 priced BMW Z4 adverts across different ages and specifications, as of 10 November 2026.

A 2023 BMW Z4 with the 3.0 petrol engine is typically advertised at £40,000: the median of the 20 for sale on AskCar, as of 10 November 2026.

Time on sale

This 2023 BMW Z4 has been on sale for at least 102 days.

Price history

AskCar first saw this advert on 31 July 2026 at £45,000. Its asking price is now £40,000, £5,000 less. The latest price cut was seen on 5 November 2026.

Price changes recorded:

  • 31 July 2026: £45,000
  • 16 August 2026: £44,470
  • 28 August 2026: £44,270
  • 11 September 2026: £43,470
  • 12 September 2026: £42,970
  • 27 September 2026: £42,470
  • 9 October 2026: £41,970
  • 20 October 2026: £41,000
  • 25 October 2026: £39,970
  • 5 November 2026: £39,470
  • 10 November 2026: £40,000

Mileage and MOT

Advertised mileage is about 100 miles higher than the median mileage of a 2023 BMW Z4 on AskCar.

Browse all BMW Z4 cars for sale · 2023 BMW Z4 price guide

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Photos

31 photos of this car are on its AskCar page.

As of 10 November 2026, AskCar lists 591,054 cars and vans from 12,888 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.