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) (335 bhp)
• Year: 2023
• Mileage: 63,354 miles
• Fuel: Diesel, mild hybrid
• Body: 5 seats
• Engine: 3.0 litres, 335 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Grey
• CO2: 164 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 BMW 3 Series has covered 63,354 miles, around 28,700 more miles than is typical for its age. Its asking price of £35,450 is £153 above the AskCar estimate of £35,297. To work out the AskCar estimate, we analyse UK dealer adverts for 6,902 BMW 3 Series cars across different ages and specifications. This car was first seen in our listings data today. The seller is Sycamore BMW, based in Peterborough. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 6 November 2026.

How we estimate prices and check cars

Price

Fair price: £153 (under 1%) over the AskCar estimate of £35,297.

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 6,902 priced BMW 3 Series adverts across different ages and specifications, as of 6 November 2026.

A 2023 BMW 3 Series with the 3.0 diesel engine is typically advertised at £39,300: the median of the 70 for sale on AskCar, as of 6 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: 305 of the 680 first advertised between 7 July 2026 and 3 October 2026.

Price history

AskCar first saw this advert on 6 November 2026 at £35,450. Its asking price has not changed.

Mileage and MOT

Advertised mileage is about 28,700 miles higher than the median mileage of a 2023 BMW 3 Series on AskCar.