2021 BMW 3 Series

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

£34,949

Above the going rate: £3,463 over the typical £31,486 for this model, age and mileage, drawing on 6,849 adverts of this make and model.

Overview

Make: BMW
Model: 3 Series
Version: 3.0 M340i MHT Auto 4WD Euro 6 (s/s) 4dr (369 bhp)
Mileage: 48,500 miles
Year: 2021
Fuel type: Petrol Hybrid
Body type: Saloon
Engine: 3.0 L
Gearbox: Automatic
Power: 369 bhp
Seats: 5
CO2: 176 g/km
Colour: Grey
Doors: 4
Driven wheels: Four Wheel Drive
Engine badge: M340i; MHT
Hybrid type: Mild hybrid
Emissions standard: Euro 6

About this car

With 48,500 miles on the clock, this 2021 BMW 3 Series has done roughly 6,100 fewer miles than a typical 2021 BMW 3 Series. Its asking price of £34,949 is £3,463 above our estimate of £31,486. The estimate uses 6,849 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 75 days ago. Its MOT is recorded as valid until 12 December 2026. The advertised mileage is consistent with the latest MOT reading. It is advertised by Paragon Cars London in Watford.

Stock data from 21 October 2026.

How we estimate prices and check cars

Price history

First seen on 8 August 2026, 75 days ago. Advert duration calculated on 22 October 2026.

Recorded asking prices
Date observed	Asking price
8 August 2026	£34,949
21 October 2026	£34,949

Price and mileage comparison

Estimated market asking price: £31,486. The asking price is £3,463 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 6,849 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 6,100 miles lower than typical for a 2021 BMW 3 Series.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 12 December 2026. 45,112 miles at the last test.

57 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
£25,995	84,000 miles
£26,495	73,000 miles
£26,750	37,000 miles
£26,995	76,150 miles

These cars have covered 6,593–89,162 miles, compared with 48,500 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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Dealer

Paragon Cars London, Watford. Across the dealer network: 46 cars for sale.

Dealer postcode: WD19 4HY.

Dealer opening hours

Monday: 08:00-20:00
Tuesday: 08:00-20:00
Wednesday: 08:00-20:00
Thursday: 08:00-20:00
Friday: 08:00-20:00
Saturday: 08:00-17:00
Sunday: 10:00-16:30