2021 BMW 3 Series 2.0 318i Sport

Price: £17,250. Fair price: £533 (3%) over the AskCar estimate of £16,717, 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: Sport
  • Version: 2.0 318i Sport Auto RWD Euro 6 (s/s) 4dr (154 bhp)
  • Year: 2021
  • Mileage: 60,745 miles
  • Fuel: Petrol
  • Body: Saloon, 4 doors, 5 seats
  • Engine: 2.0 litres, 154 bhp
  • Gearbox: Automatic
  • Drive: Rear-wheel drive
  • Colour: Black
  • CO2: 146 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 BMW 3 Series Sport has covered 60,745 miles, around 5,600 more miles than is typical for its age. The AskCar estimate for this car is £16,717. It is priced at £17,250, which is £533 above that estimate. The AskCar estimate uses 6,902 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 52 days ago. Its advertised mileage matches the government's MOT record. The seller is Trust Ford Belfast (Newtownards Road), based in Belfast. 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: £533 (3%) over the AskCar estimate of £16,717.

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 52 days.

Price history

AskCar first saw this advert on 15 September 2026 at £16,950. Its asking price is now £17,250, £300 more.

Price changes recorded:

  • 15 September 2026: £16,950
  • 23 September 2026: £18,750
  • 1 October 2026: £17,995
  • 13 October 2026: £17,650
  • 3 November 2026: £17,250

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 6 November 2026: valid until 24 July 2027.

It has had one MOT, on 25 July 2025, and passed.

There were no advisories at the latest test.

Mileage at that test: 51,271 miles, which matches the advertised 60,745 miles.

Advertised mileage is about 5,600 miles higher than the median mileage of a 2021 BMW 3 Series on AskCar.

Similar cars

8 other 2021 BMW 3 Series Sport 2.0 petrol automatic saloons are for sale at UK dealers, from £13,300 to £25,698, as of 6 November 2026.

The 3 closest to this car in mileage:

  • 2021 BMW 3 Series Sport, 2.0 petrol saloon, grey. Mileage: 63,681 miles. Price: £15,886, £1,364 less than this car. Dealer: Quality Part X Dunstable in Dunstable. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-ef54ee26ea6d
  • 2021 BMW 3 Series Sport, 2.0 petrol saloon, black. Mileage: 46,532 miles. Price: £19,975, £2,725 more than this car. Dealer: JMV Cars Ltd of Shorne in Gravesend. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-748926df503d
  • 2021 BMW 3 Series Sport, 2.0 petrol saloon, black. Mileage: 77,213 miles. Price: £15,450, £1,800 less than this car. Dealer: Trust Ford Belfast (Newtownards Road) in Belfast. AskCar page: https://askcar.co.uk/car/bmw-3-series-2021-93722229195c

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

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Photos

40 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.