2025 BMW 3 Series 3.0 M340i MHT

Price: £44,500. Fair price: £138 (under 1%) under the AskCar estimate of £44,638, our expected asking price for this car from its model, age, mileage and specification, drawing on 6,822 priced BMW 3 Series adverts on AskCar as of 8 November 2026.

AskCar lists 7,130 used BMW 3 Series from 2,708 UK dealerships, as of 8 November 2026.

Overview

  • Make: BMW
  • Model: 3 Series
  • Version: 3.0 M340i MHT Auto 4WD Euro 6 (s/s) 4dr (369 bhp)
  • Year: 2025
  • Mileage: 16,631 miles
  • Fuel: Petrol, mild hybrid
  • Body: Saloon, 4 doors, 5 seats
  • Engine: 3.0 litres, 369 bhp
  • Gearbox: Automatic
  • Drive: Four-wheel drive
  • Colour: Grey
  • CO2: 177 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

At 16,631 miles, this 2025 BMW 3 Series has covered about 5,300 more miles than other 2025 BMW 3 Series cars. Priced at £44,500, it is advertised £138 below the AskCar estimate of £44,638. The AskCar estimate uses 6,822 UK dealer adverts for the BMW 3 Series, with adjustments for age, mileage, trim, engine and other specifications. Since we first spotted the advert 44 days ago, the asking price has dropped by £1,000. 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

Fair price: £138 (under 1%) under the AskCar estimate of £44,638.

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 2025 BMW 3 Series with the 3.0 petrol engine is typically advertised at £49,000: the median of the 22 for sale on AskCar, as of 8 November 2026.

Time on sale

This 2025 BMW 3 Series has been on sale for at least 44 days.

Price history

AskCar first saw this advert on 25 September 2026 at £45,500. Its asking price is now £44,500, £1,000 less. The latest price cut was seen on 2 November 2026.

Price changes recorded:

  • 25 September 2026: £45,500
  • 14 October 2026: £45,000
  • 27 October 2026: £44,750
  • 2 November 2026: £44,500

Mileage and MOT

MOT: first test not yet due.

Advertised mileage is about 5,300 miles higher than the median mileage of a 2025 BMW 3 Series on AskCar.

Browse all BMW 3 Series cars for sale · 2025 BMW 3 Series price guide

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Photos

21 photos of this car are on its AskCar page.

As of 8 November 2026, AskCar lists 595,762 cars and vans from 12,892 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.