2021 BMW X3

2.0 12kWh 30e M Sport Auto 4WD Euro 6 (s/s) 5dr (288 bhp)

£28,800

Fair price: within 8% of the typical £28,629 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 12kWh 30e M Sport Auto 4WD Euro 6 (s/s) 5dr (288 bhp)
Mileage
34,994 miles
Year
2021
Fuel type
Petrol Plug-in Hybrid
Body type
SUV
Engine
2.0 L
Gearbox
Automatic
Power
288 bhp
Seats
5
CO2
47 g/km
Colour
Grey
Doors
5
Driven wheels
Four Wheel Drive
Engine badge
30e
Hybrid type
Plug-in hybrid
Emissions standard
Euro 6

About this car

This 2021 BMW X3 M Sport is advertised with 34,994 miles, approximately 13,500 below the typical mileage for its age. The dealer is asking £28,800, which is £171 above our market estimate of £28,629. Our estimate draws on 2,996 BMW X3 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first saw this car advertised 25 days ago. Its asking price has since fallen by £200. The latest MOT record shows an expiry date of 5 December 2026, with the advertised mileage consistent with the recorded reading. You can find this car at Saxtons.co.uk in Chelmsford.

Stock data from 20 October 2026.

How we estimate prices and check cars

Price history

First seen on 26 September 2026, 25 days ago. Advert duration calculated on 21 October 2026. Net asking-price reduction: £200 from the first recorded £29,000. 3 price reductions recorded, the latest observed on 8 October 2026.

Recorded asking prices
Date observedAsking price
26 September 2026£29,000
6 October 2026£28,900
7 October 2026£28,850
8 October 2026£28,800
20 October 2026£28,800

Price and mileage comparison

Estimated market asking price: £28,629. The asking price is £171 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 13,500 miles lower than typical for a 2021 BMW X3.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 5 December 2026. 29,524 miles at the last test.

41 other cars with the same year, trim, gearbox and fuel are for sale from £16,800 to £36,000.

Other matching cars (up to five, cheapest first)
Asking priceMileage
£16,80093,490 miles
£17,230101,000 miles
£17,499121,280 miles
£17,745111,600 miles
£18,48996,718 miles

These cars have covered 14,924–121,280 miles, compared with 34,994 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

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Dealer

Saxtons.co.uk, Chelmsford. Across the dealer network: 825 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

Vehicle photos