2021 BMW 3 Series

2.0 318d MHT M Sport Auto RWD Euro 6 (s/s) 4dr (148 bhp)

£19,500

Good value: £3,589 under the typical £23,089 for this model, age and mileage, drawing on 6,886 adverts of this make and model.

Overview

Make
BMW
Model
3 Series
Trim
M SPORT
Version
2.0 318d MHT M Sport Auto RWD Euro 6 (s/s) 4dr (148 bhp)
Mileage
31,405 miles
Year
2021
Fuel type
Diesel Hybrid
Body type
Saloon
Engine
2.0 L
Gearbox
Automatic
Power
148 bhp
Seats
5
CO2
127 g/km
Colour
White
Doors
4
Driven wheels
Rear Wheel Drive
Engine badge
318d; MHT
Hybrid type
Mild hybrid
Emissions standard
Euro 6

About this car

With 31,405 miles on the clock, this 2021 BMW 3 Series M Sport has done roughly 23,300 fewer miles than a typical 2021 BMW 3 Series. Our estimated market asking price is £23,089. This car is advertised at £19,500, which is £3,589 below that figure. Our estimate draws on 6,886 BMW 3 Series adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. Since we first spotted the advert 129 days ago, the asking price has dropped by £3,600. That may be worth mentioning if you discuss the price with the dealer. The latest MOT record shows an expiry date of 25 March 2027, with the advertised mileage consistent with the recorded reading. You can find this car at Car Planet Barnet in New Southgate.

Stock data from 22 October 2026.

How we estimate prices and check cars

Price history

First seen on 17 June 2026, 129 days ago. Advert duration calculated on 24 October 2026. Net asking-price reduction: £3,600 from the first recorded £23,100. 18 price reductions recorded, the latest observed on 22 October 2026.

Recorded asking prices
Date observedAsking price
17 June 2026£23,100
2 July 2026£22,950
7 July 2026£22,950
8 July 2026£22,650
10 July 2026£22,650
17 July 2026£22,350
18 July 2026£22,350
23 July 2026£22,250
24 July 2026£22,250
29 July 2026£22,100
4 August 2026£22,000
10 August 2026£21,850
11 August 2026£21,850
18 August 2026£21,700
25 August 2026£21,650
1 September 2026£21,500
8 September 2026£21,450
15 September 2026£21,300
22 September 2026£21,000
28 September 2026£20,700
4 October 2026£20,400
9 October 2026£20,100
16 October 2026£19,800
22 October 2026£19,500

Price and mileage comparison

Estimated market asking price: £23,089. The asking price is £3,589 below 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 6,886 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 23,300 miles lower than typical for a 2021 BMW 3 Series.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 25 March 2027. 30,872 miles at the last test.

93 other cars with the same year, trim, gearbox and fuel are for sale from £13,735 to £30,090.

Other matching cars (up to five, cheapest first)
Asking priceMileage
£13,735131,041 miles
£13,999102,000 miles
£14,495131,000 miles
£15,49595,320 miles
£15,995111,015 miles

These cars have covered 15,500–131,041 miles, compared with 31,405 miles for this car.

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

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

Vehicle photos

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