2021 BMW Z4 2.0 30i M Sport

Overview

• Make: BMW
• Model: Z4
• Trim: M Sport
• Version: 2.0 30i M Sport Auto RWD Euro 6 (s/s) 2dr sDrive (254 bhp)
• Year: 2021
• Mileage: 36,950 miles
• Fuel: Petrol
• Body: Convertible, 2 doors, 2 seats
• Engine: 2.0 litres, 254 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Blue
• CO2: 139 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 36,950 miles, this 2021 BMW Z4 M Sport has covered about 6,800 more miles than other 2021 BMW Z4 cars. The dealer is asking £27,490, which is £533 above the AskCar estimate of £26,957. To work out the AskCar estimate, we analyse UK dealer adverts for 528 BMW Z4 cars across different ages and specifications. We have tracked this advert for 8 days. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is advertised by BSB Automotive in Dartford. 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: £533 (1%) over the AskCar estimate of £26,957.

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

This 2021 BMW Z4 has been on sale for at least 8 days.

Price history

AskCar first saw this advert on 28 October 2026 at £27,490. 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 5 November 2026: valid until 8 October 2027.

It has had 4 MOTs. The latest, on 1 October 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 36,789 miles, which matches the advertised 36,950 miles.

Advertised mileage is about 6,800 miles higher 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: 37,000 miles. Price: £29,485, £1,995 more than this car. Dealer: Brooklands Motor Centre in Leeds. AskCar page: https://askcar.co.uk/car/bmw-z4-2021-c574aef56be2
• 2021 BMW Z4 M Sport, 2.0 petrol convertible, blue. Mileage: 36,000 miles. Price: £25,995, £1,495 less than this car. Dealer: Fast Lane Motor Cars in Stoke-on-Trent. AskCar page: https://askcar.co.uk/car/bmw-z4-2021-400e9f445a17
• 2021 BMW Z4 M Sport, 2.0 petrol convertible, red. Mileage: 35,307 miles. Price: £25,499, £1,991 less than this car. Dealer: Motorpoint Norwich in Norwich. AskCar page: https://askcar.co.uk/car/bmw-z4-2021-bd4c7f139165

• The nearest: 2021 BMW Z4 M Sport, 2.0 petrol convertible, white, 22 miles from this car. Mileage: 26,079 miles. Price: £28,990, £1,500 more than this car. Dealer: Savannah in Southend-on-Sea. AskCar page: https://askcar.co.uk/car/bmw-z4-2021-d880979edfb2