2021 BMW 3 Series 3.0 M340i MHT

Price: £33,990. Fair price: £2,126 (6%) over the AskCar estimate of £31,864, our expected asking price for this car from its model, age, mileage and specification, drawing on 6,886 priced BMW 3 Series adverts on AskCar as of 14 November 2026.

AskCar lists 7,157 used BMW 3 Series from 2,692 UK dealerships, as of 14 November 2026.

Overview

  • Make: BMW
  • Model: 3 Series
  • Version: 3.0 M340i MHT Touring Auto 4WD Euro 6 (s/s) 5dr (369 bhp)
  • Year: 2021
  • Mileage: 58,626 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: 182 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 BMW 3 Series has covered 58,626 miles, around 4,400 more miles than is typical for its age. The AskCar estimate for this car is £31,864. It is priced at £33,990, which is £2,126 above that estimate. The AskCar estimate uses 6,886 UK dealer adverts for the BMW 3 Series, with adjustments for age, mileage, trim, engine and other specifications. It first appeared in our advert records 7 days ago. The government's MOT record matches its advertised mileage. You can find this car at Exoria Cars in Abbots Langley. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 14 November 2026.

How we estimate prices and check cars

Exoria Cars is rated 5.0 out of 5 on Google.

Price

Fair price: £2,126 (6%) over the AskCar estimate of £31,864.

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 14 November 2026.

A 2021 BMW 3 Series with the 3.0 petrol engine is typically advertised at £28,300: the median of the 148 for sale on AskCar, as of 14 November 2026.

Time on sale

This 2021 BMW 3 Series has been on sale for at least 7 days.

Price history

AskCar first saw this advert on 7 November 2026 at £32,990. Its asking price is now £33,990, £1,000 more.

Price changes recorded:

  • 7 November 2026: £32,990
  • 8 November 2026: £33,990

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 14 November 2026: valid until 9 September 2027.

It has had 5 MOTs. The latest, on 26 August 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 58,115 miles, which matches the advertised 58,626 miles.

Advertised mileage is about 4,400 miles higher than the median mileage of a 2021 BMW 3 Series on AskCar.

Browse all BMW 3 Series cars for sale · 2021 BMW 3 Series price guide

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Photos

65 photos of this car are on its AskCar page.

As of 14 November 2026, AskCar lists 600,711 cars and vans from 12,770 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.