2021 BMW X3

3.0 M40i Auto 4WD Euro 6 5dr (354 bhp)

£30,480

Above the going rate: £2,435 over the typical £28,045 for this model, age and mileage, drawing on 3,009 adverts of this make and model.

Overview

Make
BMW
Model
X3
Version
3.0 M40i Auto 4WD Euro 6 5dr (354 bhp)
Mileage
78,707 miles
Year
2021
Fuel type
Petrol
Body type
SUV
Engine
3.0 L
Gearbox
Automatic
Power
354 bhp
Seats
5
CO2
214 g/km
Colour
Black
Doors
5
Driven wheels
Four Wheel Drive
Engine badge
M40i
Emissions standard
Euro 6

About this car

At 78,707 miles, this 2021 BMW X3 has covered about 29,200 more miles than other 2021 BMW X3 cars. The dealer is asking £30,480, which is £2,435 above our market estimate of £28,045. To estimate its market asking price, we analyse UK dealer adverts for 3,009 BMW X3 cars across different ages and specifications. Since we first spotted the advert 62 days ago, the asking price has dropped by £1,500. That may be worth mentioning if you discuss the price with the dealer. MOT records show an expiry date of 31 January 2027, and the latest recorded mileage is consistent with the advert. It is for sale at Oakdene Collection in Alfreton.

Stock data from 21 October 2026.

How we estimate prices and check cars

Price history

First seen on 21 August 2026, 62 days ago. Advert duration calculated on 22 October 2026. Net asking-price reduction: £1,500 from the first recorded £31,980. 11 price reductions recorded, the latest observed on 9 October 2026.

Recorded asking prices
Date observedAsking price
21 August 2026£31,980
25 August 2026£31,860
26 August 2026£31,780
31 August 2026£31,640
1 September 2026£31,620
5 September 2026£31,980
10 September 2026£31,480
15 September 2026£31,440
16 September 2026£31,380
19 September 2026£30,980
23 September 2026£30,940
2 October 2026£30,880
9 October 2026£30,480
21 October 2026£30,480

Price and mileage comparison

Estimated market asking price: £28,045. The asking price is £2,435 above 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 3,009 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 29,200 miles higher than typical for a 2021 BMW X3.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 31 January 2027. 63,189 miles at the last test.

14 other cars with the same year, trim, gearbox and fuel are for sale from £28,946 to £38,994.

Other matching cars (up to five, cheapest first)
Asking priceMileage
£28,94671,000 miles
£29,36055,701 miles
£29,99977,000 miles
£30,50049,250 miles
£30,97064,000 miles

These cars have covered 24,019–77,000 miles, compared with 78,707 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 X3 cars for sale · 2021 BMW X3 price guide

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

Vehicle photos