2020 BMW Z4 2.0 20i M Sport

Overview

• Make: BMW
• Model: Z4
• Trim: M Sport
• Version: 2.0 sDrive 20i M Sport [Tech/Pro Pack] Auto RWD Euro 6 2dr (194 bhp)
• Year: 2020
• Mileage: 42,492 miles
• Fuel: Petrol
• Body: Convertible, 2 doors, 2 seats
• Engine: 2.0 litres, 194 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Black
• CO2: 161 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 BMW Z4 M Sport is advertised with 42,492 miles on the clock. Its asking price of £26,299 is £1,358 above the AskCar estimate of £24,941. The AskCar estimate uses UK dealer asking prices, including 528 BMW Z4 adverts, and accounts for the car’s age, mileage and specification. We first recorded this advert 140 days ago, and its asking price has since fallen by £701. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Sytner Stevenage BMW, based in Stevenage. 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: £1,358 (5%) over the AskCar estimate of £24,941.

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 2020 BMW Z4 with the 2.0 petrol engine is typically advertised at £24,900: the median of the 37 for sale on AskCar, as of 5 November 2026.

Time on sale

This 2020 BMW Z4 has been on sale for at least 140 days.

Price history

AskCar first saw this advert on 18 June 2026 at £27,000. Its asking price is now £26,299, £701 less. The latest price cut was seen on 15 October 2026.

Price changes recorded:

• 18 June 2026: £27,000
• 8 July 2026: £26,500
• 19 August 2026: £27,500
• 15 September 2026: £26,995
• 1 October 2026: £26,495
• 8 October 2026: £25,995
• 15 October 2026: £25,750
• 4 November 2026: £26,299

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 10 March 2027.

It has had 5 MOTs. The latest, on 9 March 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 40,371 miles, which matches the advertised 42,492 miles.

Advertised mileage is about 1,600 miles higher than the median mileage of a 2020 BMW Z4 on AskCar.

Similar cars

34 other 2020 BMW Z4 M Sport 2.0 petrol automatic convertibles are for sale at UK dealers, from £18,995 to £29,750, as of 5 November 2026.

The 3 closest to this car in mileage:

• 2020 BMW Z4 M Sport, 2.0 petrol convertible, blue. Mileage: 42,700 miles. Price: £25,000, £1,299 less than this car. Dealer: Kallenhard in Leighton Buzzard. AskCar page: https://askcar.co.uk/car/bmw-z4-2020-4767ddd31745
• 2020 BMW Z4 M Sport, 2.0 petrol convertible, black. Mileage: 42,987 miles. Price: £22,500, £3,799 less than this car. Dealer: Redgate Lodge in Newcastle upon Tyne. AskCar page: https://askcar.co.uk/car/bmw-z4-2020-741f0f425888
• 2020 BMW Z4 M Sport, 2.0 petrol convertible, white. Mileage: 41,281 miles. Price: £23,950, £2,349 less than this car. Dealer: Lloyd Carlisle BMW in Carlisle. AskCar page: https://askcar.co.uk/car/bmw-z4-2020-bc8111679c34

• The nearest: 2020 BMW Z4 M Sport, 2.0 petrol convertible, white, 19 miles from this car. Mileage: 40,475 miles. Price: £20,250, £6,049 less than this car. Dealer: Car Planet Watford in Watford. AskCar page: https://askcar.co.uk/car/bmw-z4-2020-02464ecbc6e5