2023 BMW 3 Series 3.0 M340i MHT

Overview

• Make: BMW
• Model: 3 Series
• Version: 3.0 M340i MHT Touring Auto 4WD Euro 6 (s/s) 5dr (369 bhp)
• Year: 2023
• Mileage: 44,727 miles
• Fuel: Petrol, mild hybrid
• Body: Estate, 5 doors, 5 seats
• Engine: 3.0 litres, 369 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Grey
• CO2: 189 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 BMW 3 Series has covered 44,727 miles, around 10,800 more miles than is typical for its age. The AskCar estimate for this car is £40,219. It is priced at £44,000, which is £3,781 above that estimate. The AskCar estimate uses UK dealer asking prices, including 6,822 BMW 3 Series adverts, and accounts for the car’s age, mileage and specification. We have tracked this advert for 5 days. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Sytner High Wycombe BMW, based in High Wycombe. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 8 November 2026.

How we estimate prices and check cars

Price

Above the going rate: £3,781 (9%) over the AskCar estimate of £40,219.

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 6,822 priced BMW 3 Series adverts across different ages and specifications, as of 8 November 2026.

A 2023 BMW 3 Series with the 3.0 petrol engine is typically advertised at £39,500: the median of the 69 for sale on AskCar, as of 8 November 2026.

Time on sale

AskCar first saw this 2023 BMW 3 Series advertised 5 days ago. About 4 in 10 of 2023 BMW 3 Series cars are gone from sale within a month of being advertised: 304 of the 683 first advertised between 8 July 2026 and 5 October 2026.

Price history

AskCar first saw this advert on 3 November 2026 at £44,000. 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 8 November 2026: valid until 15 March 2027.

It failed its MOT on 16 March 2026 (nearside front tyre has a bulge, caused by separation or partial failure of its structure) and passed later the same day.

There were no advisories at the latest test.

Mileage at that test: 35,861 miles, which matches the advertised 44,727 miles.

Advertised mileage is about 10,800 miles higher than the median mileage of a 2023 BMW 3 Series on AskCar.