2021 BMW 3 Series

3.0 M340i MHT Touring Auto 4WD Euro 6 (s/s) 5dr (369 bhp)

£28,990

Fair price: within 8% of the typical £27,149 for this model, age and mileage, drawing on 6,724 adverts of this make and model.

Overview

Make: BMW
Model: 3 Series
Version: 3.0 M340i MHT Touring Auto 4WD Euro 6 (s/s) 5dr (369 bhp)
Mileage: 80,000 miles
Year: 2021
Fuel type: Petrol Hybrid
Body type: Estate
Engine: 3.0 L
Gearbox: Automatic
Power: 369 bhp
Seats: 5
CO2: 182 g/km
Colour: Grey
Doors: 5
Driven wheels: Four Wheel Drive
Engine badge: M340i; MHT
Hybrid type: Mild hybrid
Emissions standard: Euro 6

About this car

This 2021 BMW 3 Series is advertised with 80,000 miles, approximately 25,300 above the typical mileage for its age. Our estimated market asking price is £27,149. This car is advertised at £28,990, which is £1,841 above that figure. Our estimate draws on 6,724 BMW 3 Series adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. It first appeared in our advert records 149 days ago. The seller is Sell Your Car, based in High Wycombe.

Stock data from 23 October 2026.

How we estimate prices and check cars

Price history

First seen on 28 May 2026, 149 days ago. Advert duration calculated on 24 October 2026.

Recorded asking prices
Date observed	Asking price
28 May 2026	£28,990
10 July 2026	£28,990
23 October 2026	£28,990

Price and mileage comparison

Estimated market asking price: £27,149. The asking price is £1,841 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 25,300 miles higher than typical for a 2021 BMW 3 Series.

58 other cars with the same year, trim, gearbox and fuel are for sale from £25,475 to £45,000.

Other matching cars (up to five, cheapest first)
Asking price	Mileage
£25,475	89,162 miles
£25,990	37,000 miles
£25,995	84,000 miles
£26,449	63,729 miles
£26,495	73,000 miles

These cars have covered 6,593–89,162 miles, compared with 80,000 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

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Vehicle photos

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