2021 BMW X4 M

3.0 i Competition Auto 4WD Euro 6 (s/s) 5dr (503 bhp)

£37,700

Fair price: within 8% of the typical £40,976 for this model, age and mileage, drawing on 82 adverts of this make and model.

Overview

Make: BMW
Model: X4 M
Trim: COMPETITION
Version: 3.0 i Competition Auto 4WD Euro 6 (s/s) 5dr (503 bhp)
Mileage: 47,380 miles
Year: 2021
Fuel type: Petrol
Body type: SUV
Engine: 3.0 L
Gearbox: Automatic
Power: 503 bhp
Seats: 5
CO2: 259 g/km
Colour: Grey
Doors: 5
Driven wheels: Four Wheel Drive
Engine badge: Competition
Emissions standard: Euro 6

About this car

This 2021 BMW X4 M Competition has covered 47,380 miles, around 2,600 fewer than typical for its age. Its asking price of £37,700 is £3,276 below our estimate of £40,976. To estimate its market asking price, we analyse UK dealer adverts for 82 BMW X4 M cars across different ages and specifications. Since we first spotted the advert 19 days ago, the asking price has dropped by £300. Our latest MOT record expired on 5 May 2026. Check the current position with the dealer. The latest recorded MOT mileage is consistent with the advertised figure. You can find this car at Saxtons.co.uk in Chelmsford.

Stock data from 18 October 2026.

How we estimate prices and check cars

Price history

First seen on 1 October 2026, 19 days ago. Advert duration calculated on 20 October 2026. Net asking-price reduction: £300 from the first recorded £38,000. 1 price reduction recorded, the latest observed on 13 October 2026.

Recorded asking prices
Date observed	Asking price
1 October 2026	£38,000
13 October 2026	£37,700
18 October 2026	£37,700

Price and mileage comparison

Estimated market asking price: £40,976. The asking price is £3,276 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 82 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 2,600 miles lower than typical for a 2021 BMW X4 M.

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 not valid until 5 May 2026. 40,578 miles at the last test.

12 other cars with the same year, trim, gearbox and fuel are for sale from £34,440 to £44,995.

Other matching cars (up to five, cheapest first)
Asking price	Mileage
£34,440	61,000 miles
£34,995	60,000 miles
£36,498	70,992 miles
£36,795	53,790 miles
£39,000	63,782 miles

These cars have covered 33,449–70,992 miles, compared with 47,380 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 M cars for sale · 2021 BMW X4 M price guide

Dealer

Saxtons.co.uk, Chelmsford. Across the dealer network: 817 cars for sale.

Dealer postcode: CM1 3BH.

Dealer opening hours

Monday: 08:00-20:00
Tuesday: 08:00-20:00
Wednesday: 08:00-20:00
Thursday: 08:00-20:00
Friday: 08:00-20:00
Saturday: 09:00-18:00
Sunday: 09:00-17:00