2020 BMW X3

2.0 20d M Sport Auto 4WD Euro 6 (s/s) 5dr (187 bhp)

£21,750

Fair price: within 8% of the typical £20,412 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
2.0 20d M Sport Auto 4WD Euro 6 (s/s) 5dr (187 bhp)
Mileage
70,000 miles
Year
2020
Fuel type
Diesel
Body type
SUV
Engine
2.0 L
Gearbox
Automatic
Power
187 bhp
Seats
5
CO2
144 g/km
Colour
Silver
Doors
5
Driven wheels
Four Wheel Drive
Engine badge
20d
Emissions standard
Euro 6

About this car

This 2020 BMW X3 M Sport has covered 70,000 miles, around 18,900 more than typical for its age. The dealer is asking £21,750, which is £1,338 above our market estimate of £20,412. Our estimate draws on 2,996 BMW X3 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. Since we first spotted the advert 133 days ago, the asking price has dropped by £138. It may give you a starting point for a conversation about price. The seller is West Kent Motor Group Online, based in Sevenoaks.

Stock data from 20 October 2026.

How we estimate prices and check cars

Price history

First seen on 10 June 2026, 133 days ago. Advert duration calculated on 21 October 2026. Net asking-price reduction: £138 from the first recorded £21,888. 8 price reductions recorded, the latest observed on 16 October 2026.

Recorded asking prices
Date observedAsking price
26 June 2026£21,888
1 July 2026£21,788
3 July 2026£21,750
10 July 2026£21,750
12 July 2026£21,700
13 July 2026£21,688
19 July 2026£21,650
21 July 2026£21,988
30 September 2026£21,888
5 October 2026£21,788
16 October 2026£21,750
20 October 2026£21,750

Price and mileage comparison

Estimated market asking price: £20,412. The asking price is £1,338 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 2,996 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 18,900 miles higher than typical for a 2020 BMW X3.

48 other cars with the same year, trim, gearbox and fuel are for sale from £16,499 to £30,600.

Other matching cars (up to five, cheapest first)
Asking priceMileage
£16,499104,876 miles
£16,99590,445 miles
£17,00093,481 miles
£17,59070,626 miles
£17,99591,000 miles

These cars have covered 26,020–104,876 miles, compared with 70,000 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 X3 cars for sale · 2020 BMW X3 price guide

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Dealer

West Kent Motor Group Online, Sevenoaks. Across the dealer network: 60 cars for sale.

Dealer postcode: TN14 7LJ.

Vehicle photos