2021 BMW 3 Series

2.0 330i M Sport Auto RWD Euro 6 4dr (254 bhp)

£20,499

Fair price: within 8% of the typical £20,342 for this model, age and mileage, drawing on 6,724 adverts of this make and model.

Overview

Make
BMW
Model
3 Series
Trim
M SPORT
Version
2.0 330i M Sport Auto RWD Euro 6 4dr (254 bhp)
Mileage
66,945 miles
Year
2021
Fuel type
Petrol
Body type
Saloon
Engine
2.0 L
Gearbox
Automatic
Power
254 bhp
Seats
5
CO2
148 g/km
Colour
Black
Doors
4
Driven wheels
Rear Wheel Drive
Engine badge
330i
Emissions standard
Euro 6

About this car

With 66,945 miles on the clock, this 2021 BMW 3 Series M Sport has done roughly 12,300 more miles than a typical 2021 BMW 3 Series. Its asking price of £20,499 is £157 above our estimate of £20,342. We use UK dealer asking prices, including 6,724 BMW 3 Series listings, and account for the car’s age, mileage and specification. Since we first spotted the advert 25 days ago, the asking price has dropped by £100. Its MOT is recorded as valid until 21 September 2027. The advertised mileage is consistent with the latest MOT reading. You can find this car at cinch Corby in North Northamptonshire.

Stock data from 23 October 2026.

How we estimate prices and check cars

Price history

First seen on 30 September 2026, 25 days ago. Advert duration calculated on 25 October 2026. Net asking-price reduction: £100 from the first recorded £20,599. 1 price reduction recorded, the latest observed on 1 October 2026.

Recorded asking prices
Date observedAsking price
30 September 2026£20,599
1 October 2026£20,499
23 October 2026£20,499

Price and mileage comparison

Estimated market asking price: £20,342. The asking price is £157 above this estimate.

The estimate uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It estimates an advertised price, not a confirmed sale price.

The pricing calculation includes 6,724 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 12,300 miles higher than typical for a 2021 BMW 3 Series.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 21 September 2027. 66,942 miles at the last test.

181 other cars with the same year, trim, gearbox and fuel are for sale from £14,000 to £29,990.

Other matching cars (up to five, cheapest first)
Asking priceMileage
£14,000110,887 miles
£14,00093,863 miles
£14,33588,796 miles
£14,89593,000 miles
£14,99587,565 miles

Matching year, trim, gearbox and fuel does not mean matching mileage or every specification. Our estimate adjusts for these differences using the wider market data.

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

More like this

How to contact the dealer, its opening hours and the cheaper cars like this one are on this AskCar page.

Vehicle photos

AskCar lists 589,789 cars from 13,079 UK dealer locations, read and updated daily from dealer websites. More than any other UK site. No dealer pays to be listed.