2023 BMW 3 Series 2.0 320i M Sport

Overview

• Make: BMW
• Model: 3 Series
• Trim: M Sport
• Version: 2.0 320i M Sport Auto RWD Euro 6 (s/s) 4dr (181 bhp)
• Year: 2023
• Mileage: 50,632 miles
• Fuel: Petrol
• Body: Saloon, 4 doors, 5 seats
• Engine: 2.0 litres, 181 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Blue
• CO2: 146 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 BMW 3 Series M Sport is advertised with 50,632 miles, approximately 16,000 above the typical mileage for its age. Its asking price of £21,400 is £1,612 below the AskCar estimate of £23,012. The AskCar estimate draws on 6,897 BMW 3 Series adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We have tracked this advert today. Its advertised mileage matches the government's MOT record. You can find this car at Car Planet Barnet in New Southgate. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 5 November 2026.

How we estimate prices and check cars

Price

Fair price: £1,612 (7%) under the AskCar estimate of £23,012.

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 6,897 priced BMW 3 Series adverts across different ages and specifications, as of 5 November 2026.

A 2023 BMW 3 Series with the 2.0 petrol engine is typically advertised at £25,100: the median of the 386 for sale on AskCar, as of 5 November 2026.

Time on sale

AskCar first saw this 2023 BMW 3 Series advertised today. About 4 in 10 of 2023 BMW 3 Series cars are gone from sale within a month of being advertised: 294 of the 660 first advertised between 7 July 2026 and 2 October 2026.

Price history

AskCar first saw this advert on 5 November 2026 at £21,400. Its asking price has not changed.

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 14 March 2027.

It has had one MOT, on 13 March 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 42,299 miles, which matches the advertised 50,632 miles.

Advertised mileage is about 16,000 miles higher than the median mileage of a 2023 BMW 3 Series on AskCar.

Similar cars

92 other 2023 BMW 3 Series M Sport 2.0 petrol automatic saloons are for sale at UK dealers, from £19,900 to £30,790, as of 5 November 2026.

The 3 closest to this car in mileage:

• 2023 BMW 3 Series M Sport, 2.0 petrol saloon, grey. Mileage: 51,590 miles. Price: £22,995, £1,595 more than this car. Dealer: Howard Banks Cars in Bishop's Stortford. AskCar page: https://askcar.co.uk/car/bmw-3-series-2023-f391b52b9833
• 2023 BMW 3 Series M Sport, 2.0 petrol saloon, blue. Mileage: 51,755 miles. Price: £23,449, £2,049 more than this car. Dealer: Bowker BMW Preston in Preston. AskCar page: https://askcar.co.uk/car/bmw-3-series-2023-306ea1094efa
• 2023 BMW 3 Series M Sport, 2.0 petrol saloon, grey. Mileage: 47,137 miles. Price: £25,995, £4,595 more than this car. Dealer: Park's Motor Group Douglas Park BMW Edinburgh in Edinburgh. AskCar page: https://askcar.co.uk/car/bmw-3-series-2023-0566ee9bb513

• The nearest: 2023 BMW 3 Series M Sport, 2.0 petrol saloon, grey, 8 miles from this car. Mileage: 22,849 miles. Price: £26,980, £5,580 more than this car. Dealer: Lexus Woodford in Woodford Green. AskCar page: https://askcar.co.uk/car/bmw-3-series-2023-eadde1672118