2021 BMW X4

3.0 M40i Auto 4WD Euro 6 5dr (355 bhp)

£31,000

Fair price: within 8% of the typical £31,725 for this model, age and mileage, drawing on 661 adverts of this make and model.

Overview

Make: BMW
Model: X4
Version: 3.0 M40i Auto 4WD Euro 6 5dr (355 bhp)
Mileage: 59,610 miles
Year: 2021
Fuel type: Petrol
Body type: SUV
Engine: 3.0 L
Gearbox: Automatic
Power: 355 bhp
Seats: 5
CO2: 210 g/km
Colour: Black
Doors: 5
Driven wheels: Four Wheel Drive
Emissions standard: Euro 6

About this car

This 2021 BMW X4 is advertised with 59,610 miles, approximately 10,900 above the typical mileage for its age. The dealer is asking £31,000, which is £725 below our market estimate of £31,725. Our estimate draws on 661 BMW X4 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first recorded this advert 138 days ago, and its asking price has since fallen by £3,500. The recorded MOT expired on 2 September 2026, so ask the dealer whether it has been renewed. Our comparison with the latest MOT reading has not flagged a mileage discrepancy. The seller is Sytner Newport BMW, based in Newport.

Stock data from 27 October 2026.

How we estimate prices and check cars

Price history

First seen on 12 June 2026, 138 days ago. Advert duration calculated on 28 October 2026. Net asking-price reduction: £3,500 from the first recorded £34,500. 6 price reductions recorded, the latest observed on 22 October 2026.

Recorded asking prices
Date observed	Asking price
6 July 2026	£34,500
7 July 2026	£34,500
5 August 2026	£33,500
6 August 2026	£33,500
15 August 2026	£33,000
21 August 2026	£32,500
6 September 2026	£32,000
2 October 2026	£31,500
22 October 2026	£31,000
27 October 2026	£31,000

Price and mileage comparison

Estimated market asking price: £31,725. The asking price is £725 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 661 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 10,900 miles higher than typical for a 2021 BMW X4.

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 2 September 2026. 51,405 miles at the last test.

3 other cars with the same year, trim, gearbox and fuel are for sale from £31,490 to £38,590.

Other matching cars
Asking price	Mileage
£31,490	33,859 miles
£31,500	46,902 miles
£38,590	16,935 miles

These cars have covered 16,935–46,902 miles, compared with 59,610 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 X4 cars for sale · 2021 BMW X4 price guide

Vehicle photos

AskCar lists 581,201 cars from 12,993 UK dealer locations, read and updated daily from dealer websites. More than any other UK site. No dealer pays to be listed.