2023 BMW 3 Series 320i M Sport

Overview

• Make: BMW
• Model: 3 Series
• Trim: M Sport
• Version: M Sport Auto RWD Euro 6 5dr (181 bhp)
• Year: 2023
• Mileage: 28,273 miles
• Fuel: Petrol
• Body: Estate, 5 doors, 5 seats
• Engine: 181 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Blue
• CO2: 128 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 BMW 3 Series M Sport has covered 28,273 miles, around 6,400 fewer miles than is typical for its age. The dealer is asking £13,695, which is £17,366 below the AskCar estimate of £31,061. We recommend confirming the advertised price and vehicle details. The AskCar estimate uses UK dealer asking prices, including 6,886 BMW 3 Series adverts, and accounts for the car’s age, mileage and specification. We first saw this car advertised 58 days ago. Its asking price has since fallen by £800. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Motor Range Manchester, based in Manchester. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 7 November 2026.

How we estimate prices and check cars

Price

Far below the going rate: £17,366 (55%) under the AskCar estimate of £31,061. Worth asking the dealer why.

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 6,886 priced BMW 3 Series adverts across different ages and specifications, as of 7 November 2026.

Time on sale

This 2023 BMW 3 Series has been on sale for at least 58 days.

Price history

AskCar first saw this advert on 10 September 2026 at £14,495. Its asking price is now £13,695, £800 less. The latest price cut was seen on 23 October 2026.

Price changes recorded:

• 10 September 2026: £14,495
• 13 October 2026: £13,895
• 23 October 2026: £13,695

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 7 November 2026: valid until 8 June 2027.

It has had one MOT, on 9 June 2026, and passed.

Advisories at the latest test: nearside front tyre slightly damaged outer sidewall; nearside front tyre worn close to legal limit/worn on edge outer edge worn; nearside front road wheel slightly distorted inner rim; and 1 more.

Mileage at that test: 26,136 miles, which matches the advertised 28,273 miles.

Advertised mileage is about 6,400 miles lower than the median mileage of a 2023 BMW 3 Series on AskCar.