2021 BMW 3 Series 3.0 M340i MHT

Overview

• Make: BMW
• Model: 3 Series
• Version: 3.0 M340i MHT Auto 4WD Euro 6 (s/s) 4dr (369 bhp)
• Year: 2021
• Mileage: 61,500 miles
• Fuel: Petrol, mild hybrid
• Body: Saloon, 4 doors, 5 seats
• Engine: 3.0 litres, 369 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Grey
• CO2: 176 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 61,500 miles, this 2021 BMW 3 Series has covered about 6,700 more miles than other 2021 BMW 3 Series cars. Priced at £27,500, it is advertised £1,216 below the AskCar estimate of £28,716. The AskCar estimate uses 6,822 UK dealer adverts for the BMW 3 Series, with adjustments for age, mileage, trim, engine and other specifications. We first saw this car advertised 19 days ago. Its asking price has since fallen by £750. The government's MOT record matches its advertised mileage. It is for sale at nucar in Basildon. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 8 November 2026.

How we estimate prices and check cars

Price

Fair price: £1,216 (4%) under the AskCar estimate of £28,716.

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

It draws on 6,822 priced BMW 3 Series adverts across different ages and specifications, as of 8 November 2026.

A 2021 BMW 3 Series with the 3.0 petrol engine is typically advertised at £28,400: the median of the 146 for sale on AskCar, as of 8 November 2026.

Time on sale

This 2021 BMW 3 Series has been on sale for at least 19 days.

Price history

AskCar first saw this advert on 20 October 2026 at £28,250. Its asking price is now £27,500, £750 less. The latest price cut was seen on 7 November 2026.

Price changes recorded:

• 20 October 2026: £28,250
• 21 October 2026: £28,000
• 28 October 2026: £27,750
• 7 November 2026: £27,500

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 8 November 2026: valid until 23 March 2027.

It failed its MOT on 16 March 2026 (nearside rear inner tyre has a cut in excess of the requirements deep enough to reach the ply or cords) and passed later the same day.

Advisories at the latest test: nearside front tyre worn close to legal limit/worn on edge worn on inner and outer edges; offside front tyre worn close to legal limit/worn on edge worn on inner and outer edges.

Mileage at that test: 55,946 miles, which matches the advertised 61,500 miles.

Advertised mileage is about 6,700 miles higher than the median mileage of a 2021 BMW 3 Series on AskCar.