2021 BMW X3

3.0 30d MHT M Sport Auto 4WD Euro 6 (s/s) 5dr (282 bhp)

£22,503

Fair price: within 8% of the typical £24,415 for this model, age and mileage, drawing on 2,996 adverts of this make and model.

Overview

Make
BMW
Model
X3
Trim
M SPORT
Version
3.0 30d MHT M Sport Auto 4WD Euro 6 (s/s) 5dr (282 bhp)
Mileage
78,763 miles
Year
2021
Fuel type
Diesel Hybrid
Body type
SUV
Engine
3.0 L
Gearbox
Automatic
Power
282 bhp
Seats
5
CO2
164 g/km
Colour
Grey
Doors
5
Driven wheels
Four Wheel Drive
Engine badge
30d; MHT
Hybrid type
Mild hybrid
Emissions standard
Euro 6

About this car

At 78,763 miles, this 2021 BMW X3 M Sport has covered about 30,300 more miles than other 2021 BMW X3 cars. The dealer is asking £22,503, which is £1,912 below our market estimate of £24,415. Our estimate draws on 2,996 BMW X3 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first recorded this advert 146 days ago, and its asking price has since fallen by £2,543. That history is worth bearing in mind when speaking to the dealer. MOT records show an expiry date of 28 May 2027, and the latest recorded mileage is consistent with the advert. The seller is Carsa Bolton, based in Bolton.

Stock data from 20 October 2026.

How we estimate prices and check cars

Price history

First seen on 28 May 2026, 146 days ago. Advert duration calculated on 21 October 2026. Net asking-price reduction: £2,543 from the first recorded £25,046. 26 price reductions recorded, the latest observed on 19 October 2026.

Recorded asking prices
Date observedAsking price
28 May 2026£25,046
29 May 2026£25,369
1 June 2026£25,203
4 June 2026£25,118
7 June 2026£25,029
8 June 2026£25,031
9 July 2026£24,038
11 July 2026£23,881
12 July 2026£23,881
14 July 2026£23,848
17 July 2026£23,436
18 July 2026£23,436
20 July 2026£23,212
21 July 2026£23,212
24 July 2026£22,965
26 July 2026£22,987
3 August 2026£23,025
5 August 2026£23,021
7 August 2026£23,003
12 August 2026£22,920
15 August 2026£22,899
18 August 2026£22,996
21 August 2026£22,939
30 August 2026£23,034
2 September 2026£23,070
5 September 2026£23,021
14 September 2026£22,891
16 September 2026£22,788
29 September 2026£22,784
1 October 2026£22,710
5 October 2026£22,683
8 October 2026£22,682
10 October 2026£22,590
11 October 2026£22,580
12 October 2026£22,557
14 October 2026£22,380
16 October 2026£22,461
18 October 2026£22,532
19 October 2026£22,503
20 October 2026£22,503

Price and mileage comparison

Estimated market asking price: £24,415. The asking price is £1,912 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 2,996 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 30,300 miles higher than typical for a 2021 BMW X3.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 28 May 2027. 78,764 miles at the last test.

110 other cars with the same year, trim, gearbox and fuel are for sale from £16,295 to £36,500.

Other matching cars (up to five, cheapest first)
Asking priceMileage
£16,295114,230 miles
£17,697100,743 miles
£18,75085,302 miles
£19,35085,245 miles
£20,40087,665 miles

These cars have covered 12,230–114,230 miles, compared with 78,763 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

Similar cars for less

Dealer

Carsa Bolton, Bolton. Across the dealer network: 11 branches, 2,837 cars for sale.

Dealer postcode: BL2 2BL.

Vehicle photos