2021 BMW Z4 2.0 20i M Sport

Overview

• Make: BMW
• Model: Z4
• Trim: M Sport
• Version: 2.0 sDrive 20i M Sport [Pro Pack] Auto RWD Euro 6 2dr (194 bhp)
• Year: 2021
• Mileage: 23,127 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

At 23,127 miles, this 2021 BMW Z4 M Sport has covered about 7,000 fewer miles than other 2021 BMW Z4 cars. The dealer is asking £27,000, which is £143 below the AskCar estimate of £27,143. To work out the AskCar estimate, we analyse UK dealer adverts for 524 BMW Z4 cars across different ages and specifications. It first appeared in our advert records 9 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Sytner Maidenhead BMW, based in Maidenhead. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 6 November 2026.

How we estimate prices and check cars

Price

Fair price: £143 (under 1%) under the AskCar estimate of £27,143.

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 524 priced BMW Z4 adverts across different ages and specifications, as of 6 November 2026.

A 2021 BMW Z4 with the 2.0 petrol engine is typically advertised at £27,100: the median of the 28 for sale on AskCar, as of 6 November 2026.

Time on sale

This 2021 BMW Z4 has been on sale for at least 9 days.

Price history

AskCar first saw this advert on 28 October 2026 at £27,000. 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 6 November 2026: valid until 23 October 2027.

It has had 4 MOTs. The latest, on 16 October 2026, passed.

Advisories at the latest test: offside front tyre slightly damaged/cracking or perishing 3mm tread depth.

Mileage at that test: 23,119 miles, which matches the advertised 23,127 miles.

Advertised mileage is about 7,000 miles lower than the median mileage of a 2021 BMW Z4 on AskCar.

Similar cars

24 other 2021 BMW Z4 M Sport 2.0 petrol automatic convertibles are for sale at UK dealers, from £22,399 to £32,999, as of 6 November 2026.

The 3 closest to this car in mileage:

• 2021 BMW Z4 M Sport, 2.0 petrol convertible, black. Mileage: 24,134 miles. Price: £25,498, £1,502 less than this car. Dealer: Arnold Clark Dumfries Bmw Mini Geely in Dumfries. AskCar page: https://askcar.co.uk/car/bmw-z4-2021-d29ed6099772
• 2021 BMW Z4 M Sport, 2.0 petrol convertible, white. Mileage: 21,144 miles. Price: £29,000, £2,000 more than this car. Dealer: Sytner High Wycombe BMW in High Wycombe. AskCar page: https://askcar.co.uk/car/bmw-z4-2021-a897e8ca324b
• 2021 BMW Z4 M Sport, 2.0 petrol convertible, black. Mileage: 21,000 miles. Price: £28,490, £1,490 more than this car. Dealer: Stratstone BMW Bury St Edmunds in Bury St Edmunds. AskCar page: https://askcar.co.uk/car/bmw-z4-2021-34dd1cacd19b