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: 29,543 miles
• Fuel: Petrol
• Body: Convertible, 2 doors, 2 seats
• Engine: 2.0 litres, 254 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Black
• CO2: 139 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 BMW Z4 M Sport has covered 29,543 miles. The dealer is asking £27,999, which is £216 below the AskCar estimate of £28,215. 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 160 days ago, and its asking price has since fallen by £300. The recorded MOT expired on 29 September 2026, so ask the dealer whether it has been renewed. We checked its advertised mileage against the government's MOT record, and they match. It is for sale 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: £216 (under 1%) under the AskCar estimate of £28,215.

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 160 days.

Price history

AskCar first saw this advert on 28 May 2026 at £28,299. Its asking price is now £27,999, £300 less. The latest price cut was seen on 21 October 2026.

Price changes recorded:

• 28 May 2026: £28,299
• 29 July 2026: £29,299
• 11 August 2026: £29,099
• 27 August 2026: £28,999
• 23 September 2026: £28,499
• 21 October 2026: £27,999

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: the latest record we hold ran out on 29 September 2026; ask the dealer for the current MOT.

It has had 3 MOTs. The latest, on 5 September 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 28,982 miles, which matches the advertised 29,543 miles.

Advertised mileage is about 1,300 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 £32,999, as of 4 November 2026.

The 3 closest to this car in mileage:

• 2021 BMW Z4 M Sport, 2.0 petrol convertible, white. Mileage: 30,801 miles. Price: £26,500, £1,499 less than this car. Dealer: Saxtons.co.uk in Chelmsford. AskCar page: https://askcar.co.uk/car/bmw-z4-2021-f2d97c4e05ff
• 2021 BMW Z4 M Sport, 2.0 petrol convertible, black. Mileage: 28,217 miles. Price: £29,323, £1,324 more than this car. Dealer: Vines of Redhill BMW in Redhill. AskCar page: https://askcar.co.uk/car/bmw-z4-2021-2990d16ea7bb
• 2021 BMW Z4 M Sport, 2.0 petrol convertible, white. Mileage: 26,500 miles. Price: £25,495, £2,504 less than this car. Dealer: Mayfields in Telford. AskCar page: https://askcar.co.uk/car/bmw-z4-2021-f1059e879a34

• The nearest: 2021 BMW Z4 M Sport, 2.0 petrol convertible, white, under a mile from this car. Mileage: 9,489 miles. Price: £32,999, £5,000 more than this car. Dealer: Sandles Cars in King's Lynn. AskCar page: https://askcar.co.uk/car/bmw-z4-2021-bb217aa9c47e