2020 BMW 3 Series

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

£20,420

Fair price: within 8% of the typical £21,901 for this model, age and mileage, drawing on 6,811 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
48,896 miles
Year
2020
Fuel type
Petrol
Body type
Saloon
Engine
2.0 L
Gearbox
Automatic
Power
254 bhp
Seats
5
CO2
148 g/km
Colour
Grey
Doors
4
Driven wheels
Rear Wheel Drive
Engine badge
330i
Emissions standard
Euro 6

About this car

This 2020 BMW 3 Series M Sport is advertised with 48,896 miles, approximately 9,500 below the typical mileage for its age. The dealer is asking £20,420, which is £1,481 below our market estimate of £21,901. Our estimate draws on 6,811 BMW 3 Series adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first recorded this advert 84 days ago, and its asking price has since fallen by £1,080. The time on sale and price change could be useful context when negotiating. Its MOT is recorded as valid until 5 January 2027. The advertised mileage is consistent with the latest MOT reading. You can find this car at Big Motoring World Blue Bell Hill in Chatham.

Stock data from 20 October 2026.

How we estimate prices and check cars

Price history

First seen on 29 July 2026, 84 days ago. Advert duration calculated on 21 October 2026. Net asking-price reduction: £1,080 from the first recorded £21,500. 18 price reductions recorded, the latest observed on 16 October 2026.

Recorded asking prices
Date observedAsking price
29 July 2026£21,500
30 July 2026£22,570
3 August 2026£22,560
8 August 2026£22,370
11 August 2026£22,330
12 August 2026£22,330
18 August 2026£22,130
21 August 2026£21,860
26 August 2026£21,790
1 September 2026£21,580
8 September 2026£21,080
12 September 2026£20,930
16 September 2026£20,910
20 September 2026£20,850
24 September 2026£20,920
29 September 2026£20,730
30 September 2026£20,760
1 October 2026£20,750
6 October 2026£20,710
7 October 2026£20,700
8 October 2026£20,690
14 October 2026£20,400
16 October 2026£20,380
17 October 2026£20,420
20 October 2026£20,420

Price and mileage comparison

Estimated market asking price: £21,901. The asking price is £1,481 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 6,811 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 9,500 miles lower than typical for a 2020 BMW 3 Series.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 5 January 2027. 41,702 miles at the last test.

117 other cars with the same year, trim, gearbox and fuel are for sale from £12,500 to £27,980.

Other matching cars (up to five, cheapest first)
Asking priceMileage
£12,500123,427 miles
£12,999126,000 miles
£13,500110,000 miles
£13,895110,000 miles
£15,495116,500 miles

These cars have covered 12,377–126,000 miles, compared with 48,896 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 · 2020 BMW 3 Series price guide

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Dealer

Big Motoring World Blue Bell Hill, Chatham. Across the dealer network: 12 branches, 8,625 cars for sale.

Dealer postcode: ME5 9QG.

Dealer opening hours

Monday
10:00-19:00
Tuesday
10:00-19:00
Wednesday
10:00-19:00
Thursday
10:00-19:00
Friday
10:00-19:00
Saturday
08:30-18:00
Sunday
09:30-17:00

Vehicle photos