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: 19,191 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

At 19,191 miles, this 2020 BMW Z4 M Sport has covered about 21,500 fewer miles than other 2020 BMW Z4 cars. The AskCar estimate for this car is £26,554. It is priced at £24,450, which is £2,104 below that estimate. The AskCar estimate draws on 515 BMW Z4 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We have tracked this advert for 2 days. Its advertised mileage matches the government's MOT record. 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: £2,104 (7%) under the AskCar estimate of £26,554.

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

AskCar first saw this 2020 BMW Z4 advertised 2 days ago. About 4 in 10 of 2020 BMW Z4 cars are gone from sale within a month of being advertised: 26 of the 60 first advertised between 14 July 2026 and 29 September 2026.

Price history

AskCar first saw this advert on 31 October 2026 at £24,450. 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: valid until 14 October 2027.

It has had 5 MOTs. The latest, on 15 October 2026, passed.

Advisories at the latest test: front tyre slightly damaged/cracking or perishing both; offside rear tyre slightly damaged/cracking or perishing; engine covers and underbody trays fitted obscuring view of some testable items.

Mileage at that test: 19,061 miles, which matches the advertised 19,191 miles.

Advertised mileage is about 21,500 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: 17,750 miles. Price: £26,750, £2,300 more than this car. Dealer: Castle Motors in Liskeard. AskCar page: https://askcar.co.uk/car/bmw-z4-2020-2bf85d363887
• 2020 BMW Z4 M Sport, 2.0 petrol convertible, red. Mileage: 21,374 miles. Price: £25,499, £1,049 more than this car. Dealer: Sandles Cars in King's Lynn. AskCar page: https://askcar.co.uk/car/bmw-z4-2020-709066399f95
• 2020 BMW Z4 M Sport, 2.0 petrol convertible, black. Mileage: 16,500 miles. Price: £27,995, £3,545 more than this car. Dealer: LHK Performance Cars in Shrewsbury. AskCar page: https://askcar.co.uk/car/bmw-z4-2020-cfbe378aa6f7