2020 BMW Z4

3.0 M40i sDrive Auto RWD Euro 6 (s/s) 2dr (335 bhp)

£34,480

Fair price: within 8% of the typical £34,828 for this model, age and mileage, drawing on 496 adverts of this make and model.

Overview

Make
BMW
Model
Z4
Version
3.0 M40i sDrive Auto RWD Euro 6 (s/s) 2dr (335 bhp)
Mileage
18,000 miles
Year
2020
Fuel type
Petrol
Body type
Convertible
Engine
3.0 L
Gearbox
Automatic
Power
335 bhp
Seats
2
CO2
181 g/km
Colour
Black
Doors
2
Driven wheels
Rear Wheel Drive
Engine badge
M40i
Emissions standard
Euro 6

About this car

This 2020 BMW Z4 is advertised with 18,000 miles, approximately 20,300 below the typical mileage for its age. Its asking price of £34,480 is £348 below our estimate of £34,828. Our estimate draws on 496 BMW Z4 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first recorded this advert 79 days ago, and its asking price has since fallen by £3,500. It may give you a starting point for a conversation about price. The seller is Auto100.Co.Uk, based in Sutton-in-Ashfield.

Stock data from 21 October 2026.

How we estimate prices and check cars

Price history

First seen on 4 August 2026, 79 days ago. Advert duration calculated on 22 October 2026. Net asking-price reduction: £3,500 from the first recorded £37,980. 10 price reductions recorded, the latest observed on 15 October 2026.

Recorded asking prices
Date observedAsking price
4 August 2026£37,980
5 August 2026£38,480
12 August 2026£37,980
19 August 2026£36,980
26 August 2026£36,780
1 September 2026£36,480
9 September 2026£35,780
16 September 2026£35,480
23 September 2026£34,980
4 October 2026£34,480
9 October 2026£33,980
15 October 2026£33,780
21 October 2026£34,480

Price and mileage comparison

Estimated market asking price: £34,828. The asking price is £348 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 20,300 miles lower than typical for a 2020 BMW Z4.

7 other cars with the same year, trim, gearbox and fuel are for sale from £23,989 to £33,990.

Other matching cars (up to five, cheapest first)
Asking priceMileage
£23,98944,000 miles
£25,69569,700 miles
£29,09360,840 miles
£30,50041,162 miles
£32,29033,600 miles

These cars have covered 18,000–69,700 miles, compared with 18,000 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