2020 BMW Z4 3.0 M40i Sport

Price: £31,490. Fair price: £1,407 (4%) over the AskCar estimate of £30,083, our expected asking price for this car from its model, age, mileage and specification, drawing on 515 priced BMW Z4 adverts on AskCar as of 2 November 2026.

AskCar lists 555 used BMW Z4 from 408 UK dealerships, as of 2 November 2026.

Overview

  • Make: BMW
  • Model: Z4
  • Trim: Sport
  • Version: 3.0 M40i Sport Auto RWD Euro 6 2dr (335 bhp)
  • Year: 2020
  • Mileage: 49,062 miles
  • Fuel: Petrol
  • Body: Convertible, 2 doors, 2 seats
  • Engine: 3.0 litres, 335 bhp
  • Gearbox: Automatic
  • Drive: Rear-wheel drive
  • Colour: Grey
  • CO2: 180 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

At 49,062 miles, this 2020 BMW Z4 Sport has covered about 8,400 more miles than other 2020 BMW Z4 cars. Its asking price of £31,490 is £1,407 above the AskCar estimate of £30,083. The AskCar estimate uses 515 UK dealer adverts for the BMW Z4, with adjustments for age, mileage, trim, engine and other specifications. We have tracked this advert for 53 days. Our records show an MOT expiry date of 25 September 2026, which has passed. Ask the dealer for an update. We checked its advertised mileage against the government's MOT record, and they match. You can find this car at Partridge BMW in Eastleigh. 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: £1,407 (4%) over the AskCar estimate of £30,083.

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 515 priced BMW Z4 adverts across different ages and specifications, as of 2 November 2026.

Time on sale

This 2020 BMW Z4 has been on sale for at least 53 days.

Price history

AskCar first saw this advert on 10 September 2026 at £31,490. Its asking price has not changed.

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: the latest record we hold ran out on 25 September 2026; ask the dealer for the current MOT.

It failed its MOT on 23 September 2025 (front windscreen wiper does not clear the windscreen effectively) and passed later the same day.

There were no advisories at the latest test.

Mileage at that test: 46,771 miles, which matches the advertised 49,062 miles.

Advertised mileage is about 8,400 miles higher than the median mileage of a 2020 BMW Z4 on AskCar.

Similar cars

2 other 2020 BMW Z4 Sport 3.0 petrol automatic convertibles are for sale at UK dealers, from £28,495 to £37,500, as of 2 November 2026.

The 2 closest to this car in mileage:

  • 2020 BMW Z4 Sport, 3.0 petrol convertible, black. Mileage: 47,103 miles. Price: £28,495, £2,995 less than this car. Dealer: John Clark BMW Tayside in Dundee. AskCar page: https://askcar.co.uk/car/bmw-z4-2020-877be89f47b6
  • 2020 BMW Z4 Sport, 3.0 petrol convertible, grey. Mileage: 31,789 miles. Price: £37,500, £6,010 more than this car. Dealer: Sytner Tamworth BMW in Tamworth. AskCar page: https://askcar.co.uk/car/bmw-z4-2020-020aa5c81e55

Browse all BMW Z4 cars for sale · 2020 BMW Z4 price guide

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Photos

1 photo of this car is 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.