2020 BMW 1 Series 1.5 118i M Sport

Overview

• Make: BMW
• Model: 1 Series
• Trim: M Sport
• Version: 1.5 118i M Sport DCT FWD Euro 6 (s/s) 5dr (138 bhp)
• Year: 2020
• Mileage: 28,341 miles
• Fuel: Petrol
• Body: Hatchback, 5 doors, 5 seats
• Engine: 1.5 litres, 138 bhp
• Gearbox: Automatic (DCT)
• Drive: Front-wheel drive
• Colour: Grey
• CO2: 145 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 BMW 1 Series M Sport is advertised with 28,341 miles, approximately 19,400 below the typical mileage for its age. The dealer is asking £18,300, which is £2 above the AskCar estimate of £18,298. To work out the AskCar estimate, we analyse UK dealer adverts for 7,261 BMW 1 Series cars across different ages and specifications. The dealer may accept less. This car has been on sale for at least 66 days. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is advertised by Berry Chiswick BMW in Brentford. 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: £2 (under 1%) over the AskCar estimate of £18,298.

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 7,261 priced BMW 1 Series adverts across different ages and specifications, as of 6 November 2026.

A 2020 BMW 1 Series with the 1.5 petrol engine is typically advertised at £15,500: the median of the 436 for sale on AskCar, as of 6 November 2026.

Time on sale

The dealer may accept less. This 2020 BMW 1 Series has been on sale for at least 66 days. About half of 2020 BMW 1 Series cars are gone from sale within a month of being advertised: 497 of the 965 first advertised between 8 July 2026 and 3 October 2026.

Price history

AskCar first saw this advert on 1 September 2026 at £18,300. 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: valid until 27 August 2027.

It has had 5 MOTs. The latest, on 20 August 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 28,289 miles, which matches the advertised 28,341 miles.

Advertised mileage is about 19,400 miles lower than the median mileage of a 2020 BMW 1 Series on AskCar.

Similar cars

190 other 2020 BMW 1 Series M Sport 1.5 petrol automatic hatchbacks are for sale at UK dealers, from £10,946 to £20,475, as of 6 November 2026.

The 3 closest to this car in mileage:

• 2020 BMW 1 Series M Sport, 1.5 petrol hatchback, white. Mileage: 28,459 miles. Price: £16,350, £1,950 less than this car. Dealer: A13 Cars in Barking. AskCar page: https://askcar.co.uk/car/bmw-1-series-2020-a946cb4bd718
• 2020 BMW 1 Series M Sport, 1.5 petrol hatchback, blue. Mileage: 28,486 miles. Price: £17,990, £310 less than this car. Dealer: Warsop Motor Company in Market Warsop. AskCar page: https://askcar.co.uk/car/bmw-1-series-2020-bbe6623c9ce9
• 2020 BMW 1 Series M Sport, 1.5 petrol hatchback, blue. Mileage: 28,000 miles. Price: £17,199, £1,101 less than this car. Dealer: Fords of Winsford Manchester in Manchester. AskCar page: https://askcar.co.uk/car/bmw-1-series-2020-9b1ff3aa122f

• The nearest: 2020 BMW 1 Series M Sport, 1.5 petrol hatchback, grey, under a mile from this car. Mileage: 64,455 miles. Price: £16,750, £1,550 less than this car. Dealer: Berry Chiswick BMW in Ealing. AskCar page: https://askcar.co.uk/car/bmw-1-series-2020-78d69d55cfc7