2023 BMW 3 Series 3.0 M340d MHT

Overview

• Make: BMW
• Model: 3 Series
• Version: 3.0 M340d MHT Auto 4WD Euro 6 (s/s) 4dr (335 bhp)
• Year: 2023
• Mileage: 55,219 miles
• Fuel: Diesel, mild hybrid
• Body: Saloon, 4 doors, 5 seats
• Engine: 3.0 litres, 335 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Black
• CO2: 159 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 55,219 miles, this 2023 BMW 3 Series has covered about 21,000 more miles than other 2023 BMW 3 Series cars. The dealer is asking £31,998, which is £1,228 below the AskCar estimate of £33,226. To work out the AskCar estimate, we analyse UK dealer adverts for 6,862 BMW 3 Series cars across different ages and specifications. The asking price is now £900 lower than when we first recorded the advert 26 days ago. We checked its advertised mileage against the government's MOT record, and they match. It is advertised by Eastern Western Motor Group Grassicks BMW in Perth. 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: £1,228 (3%) under the AskCar estimate of £33,226.

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 6,862 priced BMW 3 Series adverts across different ages and specifications, as of 4 November 2026.

A 2023 BMW 3 Series with the 3.0 diesel engine is typically advertised at £40,000: the median of the 69 for sale on AskCar, as of 4 November 2026.

Time on sale

This 2023 BMW 3 Series has been on sale for at least 26 days.

Price history

AskCar first saw this advert on 9 October 2026 at £32,898. Its asking price is now £31,998, £900 less. The latest price cut was seen on 17 October 2026.

Price changes recorded:

• 9 October 2026: £32,898
• 17 October 2026: £31,998

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 29 January 2027.

It has had 2 MOTs. The latest, on 20 January 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 44,492 miles, which matches the advertised 55,219 miles.

Advertised mileage is about 21,000 miles higher than the median mileage of a 2023 BMW 3 Series on AskCar.