2020 BMW Z4 2.0 20i M Sport

Overview

• Make: BMW
• Model: Z4
• Trim: M Sport
• Version: 2.0 20i M Sport Auto RWD Euro 6 (s/s) 2dr sDrive (194 bhp)
• Year: 2020
• Mileage: 31,698 miles
• Fuel: Petrol
• Body: Convertible, 2 doors, 2 seats
• Engine: 2.0 litres, 194 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Black
• CO2: 139 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 BMW Z4 M Sport is advertised with 31,698 miles, approximately 9,000 below the typical mileage for its age. The AskCar estimate for this car is £24,914. It is priced at £25,090, which is £176 above that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 515 BMW Z4 cars across different ages and specifications. We first saw this car advertised 23 days ago. Its asking price has since fallen by £1,400. We checked its advertised mileage against the government's MOT record, and they match. The seller is Stratstone BMW Milton Keynes, based in Milton Keynes. 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: £176 (under 1%) over the AskCar estimate of £24,914.

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.

A 2020 BMW Z4 with the 2.0 petrol engine is typically advertised at £24,900: the median of the 31 for sale on AskCar, as of 2 November 2026.

Time on sale

This 2020 BMW Z4 has been on sale for at least 23 days.

Price history

AskCar first saw this advert on 10 October 2026 at £26,490. Its asking price is now £25,090, £1,400 less. The latest price cut was seen on 30 October 2026.

Price changes recorded:

• 10 October 2026: £26,490
• 13 October 2026: £26,290
• 16 October 2026: £25,595
• 30 October 2026: £25,090

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 23 November 2026.

It has had 4 MOTs. The latest, on 17 November 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 29,483 miles, which matches the advertised 31,698 miles.

Advertised mileage is about 9,000 miles lower than the median mileage of a 2020 BMW Z4 on AskCar.

Similar cars

28 other 2020 BMW Z4 M Sport 2.0 petrol automatic convertibles are for sale at UK dealers, from £18,995 to £29,750, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2020 BMW Z4 M Sport, 2.0 petrol convertible, red. Mileage: 32,205 miles. Price: £25,799, £709 more than this car. Dealer: Motorpoint Chingford in Chingford. AskCar page: https://askcar.co.uk/car/bmw-z4-2020-e04ff7e47e33
• 2020 BMW Z4 M Sport, 2.0 petrol convertible, red. Mileage: 33,390 miles. Price: £24,750, £340 less than this car. Dealer: Chippenham Motor Company in Chippenham. AskCar page: https://askcar.co.uk/car/bmw-z4-2020-22a575ccbae9
• 2020 BMW Z4 M Sport, 2.0 petrol convertible, white. Mileage: 29,920 miles. Price: £27,490, £2,400 more than this car. Dealer: Stratstone Bmw Derby in Derby. AskCar page: https://askcar.co.uk/car/bmw-z4-2020-5f76b2706ded

• The nearest: 2020 BMW Z4 M Sport, 2.0 petrol convertible, blue, 12 miles from this car. Mileage: 42,700 miles. Price: £25,000, £90 less than this car. Dealer: Kallenhard in Leighton Buzzard. AskCar page: https://askcar.co.uk/car/bmw-z4-2020-4767ddd31745