2020 BMW 3 Series 2.0 320i M Sport

Overview

• Make: BMW
• Model: 3 Series
• Trim: M Sport
• Version: 2.0 320i M Sport Auto RWD Euro 6 (s/s) 5dr Touring (181 bhp)
• Year: 2020
• Mileage: 35,208 miles
• Fuel: Petrol
• Body: Estate, 5 doors, 5 seats
• Engine: 2.0 litres, 181 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Black
• CO2: 153 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 BMW 3 Series M Sport is advertised with 35,208 miles, approximately 24,800 below the typical mileage for its age. Its asking price of £23,950 is £936 above the AskCar estimate of £23,014. The AskCar estimate uses UK dealer asking prices, including 6,902 BMW 3 Series adverts, and accounts for the car’s age, mileage and specification. It first appeared in our advert records 63 days ago. The recorded MOT expired on 18 October 2026, so ask the dealer whether it has been renewed. We checked its advertised mileage against the government's MOT record, and they match. The seller is Cotswold Bmw Cheltenham, based in Cheltenham. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 6 November 2026.

How we estimate prices and check cars

Price

Fair price: £936 (4%) over the AskCar estimate of £23,014.

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 6,902 priced BMW 3 Series adverts across different ages and specifications, as of 6 November 2026.

A 2020 BMW 3 Series with the 2.0 petrol engine is typically advertised at £18,500: the median of the 462 for sale on AskCar, as of 6 November 2026.

Time on sale

This 2020 BMW 3 Series has been on sale for at least 63 days.

Price history

AskCar first saw this advert on 4 September 2026 at £23,950. Its asking price has not changed.

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 6 November 2026: the latest record we hold ran out on 18 October 2026; ask the dealer for the current MOT.

It failed its MOT on 1 October 2025 (offside side repeater not working) and passed 1 day later, on 2 October 2025.

There were no advisories at the latest test.

Mileage at that test: 30,177 miles, which matches the advertised 35,208 miles.

Advertised mileage is about 24,800 miles lower than the median mileage of a 2020 BMW 3 Series on AskCar.

Similar cars

20 other 2020 BMW 3 Series M Sport 2.0 petrol automatic estates are for sale at UK dealers, from £17,926 to £27,980, as of 6 November 2026.

The 3 closest to this car in mileage:

• 2020 BMW 3 Series M Sport, 2.0 petrol estate, blue. Mileage: 36,500 miles. Price: £22,828, £1,122 less than this car. Dealer: Carbase Weston-super-Mare in Weston-super-Mare. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-dce5d26c18cb
• 2020 BMW 3 Series M Sport, 2.0 petrol estate, blue. Mileage: 33,147 miles. Price: £23,490, £460 less than this car. Dealer: DriveHub in Leeds. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-6a0d65c05852
• 2020 BMW 3 Series M Sport, 2.0 petrol estate, blue. Mileage: 39,632 miles. Price: £26,000, £2,050 more than this car. Dealer: Sytner High Wycombe BMW in High Wycombe. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-fbd38b349629

• The nearest: 2020 BMW 3 Series M Sport, 2.0 petrol estate, blue, 48 miles from this car. Mileage: 53,360 miles. Price: £21,000, £2,950 less than this car. Dealer: Sytner Wolverhampton BMW in Wolverhampton. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-54ebaab4ec53