2021 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: 2021
• Mileage: 24,134 miles
• Fuel: Petrol
• Body: Convertible, 2 doors, 2 seats
• Engine: 2.0 litres, 194 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Black
• CO2: 164 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 BMW Z4 M Sport has covered 24,134 miles, around 6,000 fewer miles than is typical for its age. The AskCar estimate for this car is £26,947. It is priced at £25,498, which is £1,449 below that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 528 BMW Z4 cars across different ages and specifications. The dealer may accept less. This car has been on sale for at least 62 days. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Arnold Clark Dumfries Bmw Mini Geely, based in Dumfries. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 5 November 2026.

How we estimate prices and check cars

Price

Fair price: £1,449 (5%) under the AskCar estimate of £26,947.

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 528 priced BMW Z4 adverts across different ages and specifications, as of 5 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 5 November 2026.

Time on sale

The dealer may accept less. This 2021 BMW Z4 has been on sale for at least 62 days. About half of 2021 BMW Z4 cars are gone from sale within a month of being advertised: 30 of the 57 first advertised between 12 July 2026 and 2 October 2026.

Price history

AskCar first saw this advert on 4 September 2026 at £24,998. Its asking price is now £25,498, £500 more.

Price changes recorded:

• 4 September 2026: £24,998
• 26 September 2026: £25,498

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 25 August 2027.

It has had 6 MOTs. The latest, on 26 August 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 24,132 miles, which matches the advertised 24,134 miles.

Advertised mileage is about 6,000 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 5 November 2026.

The 3 closest to this car in mileage:

• 2021 BMW Z4 M Sport, 2.0 petrol convertible, black. Mileage: 23,127 miles. Price: £27,000, £1,502 more than this car. Dealer: Sytner Maidenhead BMW in Maidenhead. AskCar page: https://askcar.co.uk/car/bmw-z4-2021-74ebb1920416
• 2021 BMW Z4 M Sport, 2.0 petrol convertible, black. Mileage: 25,281 miles. Price: £28,998, £3,500 more than this car. Dealer: Arnold Clark in Telford. AskCar page: https://askcar.co.uk/car/bmw-z4-2021-f36dee5f14b9
• 2021 BMW Z4 M Sport, 2.0 petrol convertible, white. Mileage: 26,079 miles. Price: £28,990, £3,492 more than this car. Dealer: Savannah in Southend-on-Sea. AskCar page: https://askcar.co.uk/car/bmw-z4-2021-d880979edfb2

• The nearest: 2021 BMW Z4 M Sport, 2.0 petrol convertible, red, 81 miles from this car. Mileage: 46,204 miles. Price: £22,399, £3,099 less than this car. Dealer: Motorpoint Birtley in Birtley. AskCar page: https://askcar.co.uk/car/bmw-z4-2021-8a00c290472a