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: 56,522 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

This 2021 BMW Z4 M Sport has covered 56,522 miles, around 25,700 more miles than is typical for its age. Priced at £24,520, it is advertised £572 above the AskCar estimate of £23,948. The AskCar estimate uses UK dealer asking prices, including 527 BMW Z4 adverts, and accounts for the car’s age, mileage and specification. Since we first spotted the advert 14 days ago, the asking price has dropped by £470. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Evans Halshaw Ford Preston, based in Preston. 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: £572 (2%) over the AskCar estimate of £23,948.

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 14 days.

Price history

AskCar first saw this advert on 21 October 2026 at £24,990. Its asking price is now £24,520, £470 less. The latest price cut was seen on 28 October 2026.

Price changes recorded:

• 21 October 2026: £24,990
• 22 October 2026: £24,750
• 28 October 2026: £24,520

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 29 June 2027.

It failed its MOT on 24 June 2026 (nearside front tyre has a cut in excess of the requirements deep enough to reach the ply or cords; front windscreen wiper blade defective) and passed later the same day.

Advisories at the latest test: front windscreen wiper blade defective.

Mileage at that test: 53,210 miles, which matches the advertised 56,522 miles.

Advertised mileage is about 25,700 miles higher 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, black. Mileage: 52,561 miles. Price: £27,750, £3,230 more than this car. Dealer: Sytner Cardiff BMW in Cardiff. AskCar page: https://askcar.co.uk/car/bmw-z4-2021-6b0e36a6a7f0
• 2021 BMW Z4 M Sport, 2.0 petrol convertible, blue. Mileage: 48,000 miles. Price: £26,990, £2,470 more than this car. Dealer: Automotive Cars in Keighley. AskCar page: https://askcar.co.uk/car/bmw-z4-2021-60091141e94b
• 2021 BMW Z4 M Sport, 2.0 petrol convertible, red. Mileage: 46,204 miles. Price: £22,399, £2,121 less than this car. Dealer: Motorpoint Birtley in Birtley. AskCar page: https://askcar.co.uk/car/bmw-z4-2021-8a00c290472a

• The nearest: 2021 BMW Z4 M Sport, 2.0 petrol convertible, black, 11 miles from this car. Mileage: 20,364 miles. Price: £28,115, £3,595 more than this car. Dealer: Hippo Approved in Blackburn. AskCar page: https://askcar.co.uk/car/bmw-z4-2021-e8617309db5f