2021 BMW iX3 M Sport

Overview

• Make: BMW
• Model: iX3
• Trim: M Sport
• Version: 80kWh M Sport Auto RWD 5dr (282 bhp)
• Year: 2021
• Mileage: 56,229 miles
• Fuel: Electric
• Body: SUV, 5 doors, 5 seats
• Engine: 282 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Black
• CO2: 0 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 BMW iX3 M Sport has covered 56,229 miles, around 9,600 more miles than is typical for its age. Priced at £21,260, it is advertised £558 below the AskCar estimate of £21,818. The AskCar estimate draws on 628 BMW iX3 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first recorded this advert 16 days ago, and its asking price has since fallen by £760. Its advertised mileage matches the government's MOT record. You can find this car at Big Motoring World Blue Bell Hill in Chatham. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 4 November 2026.

How we estimate prices and check cars

Price

Fair price: £558 (2%) under the AskCar estimate of £21,818.

The AskCar estimate is our expected asking price for this car. It uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It is an advertised price, not a confirmed sale price.

It draws on 628 priced BMW iX3 adverts across different ages and specifications, as of 4 November 2026.

Time on sale

This 2021 BMW iX3 has been on sale for at least 16 days.

Price history

AskCar first saw this advert on 19 October 2026 at £22,020. Its asking price is now £21,260, £760 less. The latest price cut was seen on 4 November 2026.

Price changes recorded:

• 19 October 2026: £22,020
• 21 October 2026: £21,680
• 22 October 2026: £21,660
• 23 October 2026: £21,590
• 27 October 2026: £22,240
• 31 October 2026: £21,740
• 4 November 2026: £21,260

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 28 November 2026.

It failed its MOT on 17 November 2025 (nearside side repeater not working; nearside front shock absorbers has a serious fluid leak) and passed 2 days later, on 19 November 2025.

There were no advisories at the latest test.

Mileage at that test: 44,522 miles, which matches the advertised 56,229 miles.

Advertised mileage is about 9,600 miles higher than the median mileage of a 2021 BMW iX3 on AskCar.

Similar cars

2 other 2021 BMW iX3 M Sport automatic SUVs are for sale at UK dealers, from £21,226 to £27,950, as of 4 November 2026.

The 2 closest to this car in mileage:

• 2021 BMW iX3 M Sport, SUV, white. Mileage: 61,741 miles. Price: £21,226, the same price as this car. Dealer: Carbase Bristol in Bristol. AskCar page: https://askcar.co.uk/car/bmw-ix3-2021-82be85da1cd0
• 2021 BMW iX3 M Sport, SUV, grey. Mileage: 25,201 miles. Price: £27,950, £6,690 more than this car. Dealer: Sytner Maidenhead BMW in Maidenhead. AskCar page: https://askcar.co.uk/car/bmw-ix3-2021-b9b618852fbe