2021 BMW 3 Series 2.0 318d MHT SE PRO

Price: £16,495. Fair price: £269 (1%) over the AskCar estimate of £16,226, our expected asking price for this car from its model, age, mileage and specification, drawing on 6,902 priced BMW 3 Series adverts on AskCar as of 6 November 2026.

AskCar lists 7,204 used BMW 3 Series from 2,726 UK dealerships, as of 6 November 2026.

Overview

  • Make: BMW
  • Model: 3 Series
  • Trim: SE PRO
  • Version: 2.0 318d MHT SE Pro Auto RWD Euro 6 (s/s) 4dr (148 bhp)
  • Year: 2021
  • Mileage: 52,000 miles
  • Fuel: Diesel, mild hybrid
  • Body: Saloon, 4 doors, 5 seats
  • Engine: 2.0 litres, 148 bhp
  • Gearbox: Automatic
  • Drive: Rear-wheel drive
  • Colour: Black
  • CO2: 120 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 BMW 3 Series SE Pro has covered 52,000 miles, around 3,200 fewer miles than is typical for its age. The AskCar estimate for this car is £16,226. It is priced at £16,495, which is £269 above that estimate. The AskCar estimate draws on 6,902 BMW 3 Series adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first recorded this advert 162 days ago, and its asking price has since fallen by £1,500. Our records show an MOT expiry date of 3 June 2026, which has passed. Ask the dealer for an update. Its advertised mileage matches the government's MOT record. The seller is Car-Isma Cheshire, based in Knutsford. 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: £269 (1%) over the AskCar estimate of £16,226.

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

Time on sale

This 2021 BMW 3 Series has been on sale for at least 162 days.

Price history

AskCar first saw this advert on 28 May 2026 at £17,995. Its asking price is now £16,495, £1,500 less. The latest price cut was seen on 20 September 2026.

Price changes recorded:

  • 28 May 2026: £17,995
  • 16 June 2026: £17,495
  • 30 July 2026: £16,995
  • 20 September 2026: £16,495

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 6 November 2026: the latest record we hold ran out on 3 June 2026; ask the dealer for the current MOT.

It failed its MOT on 3 June 2025 (engine MIL inoperative or indicates a malfunction) and passed 1 day later, on 4 June 2025.

There were no advisories at the latest test.

Mileage at that test: 44,524 miles, which matches the advertised 52,000 miles.

Advertised mileage is about 3,200 miles lower than the median mileage of a 2021 BMW 3 Series on AskCar.

Similar cars

3 other 2021 BMW 3 Series SE PRO 2.0 diesel automatic saloons are for sale at UK dealers, from £14,999 to £16,500, as of 6 November 2026.

The 3 closest to this car in mileage:

  • 2021 BMW 3 Series SE PRO, 2.0 diesel saloon, white. Mileage: 43,616 miles. Price: £15,988, £507 less than this car. Dealer: The Car Traders London in Romford. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-f028e46cf90f
  • 2021 BMW 3 Series SE PRO, 2.0 diesel saloon, grey. Mileage: 72,105 miles. Price: £14,999, £1,496 less than this car. Dealer: Webuycarsformore.com in Newcastle upon Tyne. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-7032a1e6062a
  • 2021 BMW 3 Series SE PRO, 2.0 diesel saloon, black. Mileage: 73,349 miles. Price: £16,500, the same price as this car. Dealer: Jack Reid Cars in Carrickfergus. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-f666c5c94282

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

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Photos

26 photos of this car are on its AskCar page.

As of 6 November 2026, AskCar lists 598,752 cars and vans from 12,905 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.