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: 9,489 miles
• Fuel: Petrol
• Body: Convertible, 2 doors, 2 seats
• Engine: 2.0 litres, 254 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: White
• CO2: 139 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 9,489 miles, this 2021 BMW Z4 M Sport has covered about 21,300 fewer miles than other 2021 BMW Z4 cars. The AskCar estimate for this car is £31,269. It is priced at £32,999, which is £1,730 above that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 527 BMW Z4 cars across different ages and specifications. We first recorded this advert 32 days ago, and its asking price has since fallen by £500. Its advertised mileage matches the government's MOT record. You can find this car at Sandles Cars in Kings Lynn. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 4 November 2026.

How we estimate prices and check cars

Price

Fair price: £1,730 (5%) over the AskCar estimate of £31,269.

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 527 priced BMW Z4 adverts across different ages and specifications, as of 4 November 2026.

A 2021 BMW Z4 with the 2.0 petrol engine is typically advertised at £27,200: the median of the 29 for sale on AskCar, as of 4 November 2026.

Time on sale

This 2021 BMW Z4 has been on sale for at least 32 days.

Price history

AskCar first saw this advert on 3 October 2026 at £33,499. Its asking price is now £32,999, £500 less. The latest price cut was seen on 27 October 2026.

Price changes recorded:

• 3 October 2026: £33,499
• 27 October 2026: £32,999

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 19 March 2027.

It has had 3 MOTs. The latest, on 20 March 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 9,043 miles, which matches the advertised 9,489 miles.

Advertised mileage is about 21,300 miles lower than the median mileage of a 2021 BMW Z4 on AskCar.

Similar cars

25 other 2021 BMW Z4 M Sport 2.0 petrol automatic convertibles are for sale at UK dealers, from £22,399 to £29,485, as of 4 November 2026.

The 3 closest to this car in mileage:

• 2021 BMW Z4 M Sport, 2.0 petrol convertible. Mileage: 17,000 miles. Price: £28,995, £4,004 less than this car. Dealer: Southern Prestige Cars in Crawley. AskCar page: https://askcar.co.uk/car/bmw-z4-2021-d6158026c80f
• 2021 BMW Z4 M Sport, 2.0 petrol convertible, black. Mileage: 20,364 miles. Price: £28,115, £4,884 less than this car. Dealer: Hippo Approved in Blackburn. AskCar page: https://askcar.co.uk/car/bmw-z4-2021-e8617309db5f
• 2021 BMW Z4 M Sport, 2.0 petrol convertible, black. Mileage: 20,939 miles. Price: £27,771, £5,228 less than this car. Dealer: Berry Cobham BMW in Cobham. AskCar page: https://askcar.co.uk/car/bmw-z4-2021-a89e35d1421a

• The nearest: 2021 BMW Z4 M Sport, 2.0 petrol convertible, black, under a mile from this car. Mileage: 29,543 miles. Price: £27,999, £5,000 less than this car. Dealer: Sandles Cars in King's Lynn. AskCar page: https://askcar.co.uk/car/bmw-z4-2021-64f740930d47