2020 BMW Z4

3.0 M40i Sport Auto RWD Euro 6 2dr (335 bhp)

£34,671

Fair price: within 8% of the typical £37,147 for this model, age and mileage, drawing on 496 adverts of this make and model.

Overview

Make
BMW
Model
Z4
Trim
SPORT
Version
3.0 M40i Sport Auto RWD Euro 6 2dr (335 bhp)
Mileage
12,379 miles
Year
2020
Fuel type
Petrol
Body type
Convertible
Engine
3.0 L
Gearbox
Automatic
Power
335 bhp
Seats
2
CO2
180 g/km
Colour
Grey
Doors
2
Driven wheels
Rear Wheel Drive
Engine badge
M40i
Emissions standard
Euro 6

About this car

This 2020 BMW Z4 Sport has covered 12,379 miles, around 25,900 fewer than typical for its age. The dealer is asking £34,671, which is £2,476 below our market estimate of £37,147. Our estimate draws on 496 BMW Z4 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first saw this car advertised 28 days ago. Its asking price has since fallen by £3,819. The recorded MOT expired on 29 September 2026, so ask the dealer whether it has been renewed. Our comparison with the latest MOT reading has not flagged a mileage discrepancy. It is for sale at Berry Chiswick BMW in Brentford.

Stock data from 21 October 2026.

How we estimate prices and check cars

Price history

First seen on 25 September 2026, 28 days ago. Advert duration calculated on 23 October 2026. Net asking-price reduction: £3,819 from the first recorded £38,490. 2 price reductions recorded, the latest observed on 17 October 2026.

Recorded asking prices
Date observedAsking price
25 September 2026£38,490
2 October 2026£36,900
17 October 2026£34,671
21 October 2026£34,671

Price and mileage comparison

Estimated market asking price: £37,147. The asking price is £2,476 below this estimate.

The estimate uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It estimates an advertised price, not a confirmed sale price.

The pricing calculation includes 496 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 25,900 miles lower than typical for a 2020 BMW Z4.

The advertised mileage is consistent with the last MOT reading.

The recorded MOT has expired; ask the dealer for an up-to-date MOT.

MOT

MOT valid until 29 September 2026. 11,541 miles at the last test.

2 other cars with the same year, trim, gearbox and fuel are for sale from £31,490 to £37,500.

Other matching cars
Asking priceMileage
£31,49049,062 miles
£37,50031,789 miles

These cars have covered 31,789–49,062 miles, compared with 12,379 miles for this car.

Matching year, trim, gearbox and fuel does not mean matching mileage or every specification. Our estimate adjusts for these differences using the wider market data.

Browse all BMW Z4 cars for sale · 2020 BMW Z4 price guide

How to contact the dealer, its opening hours and the cheaper cars like this one are on this AskCar page.

Vehicle photos