2020 BMW 1 Series 1.5 118i M Sport

Price: £18,495. Fair price: £866 (4%) over the AskCar estimate of £17,629, our expected asking price for this car from its model, age, mileage and specification, drawing on 7,184 priced BMW 1 Series adverts on AskCar as of 7 November 2026.

AskCar lists 7,559 used BMW 1 Series from 2,750 UK dealerships, as of 7 November 2026.

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: 35,242 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 35,242 miles, approximately 12,600 below the typical mileage for its age. The AskCar estimate for this car is £17,629. It is priced at £18,495, which is £866 above that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 7,184 BMW 1 Series cars across different ages and specifications. Since we first spotted the advert 108 days ago, the asking price has dropped by £300. Our records show an MOT expiry date of 7 August 2026, which has passed. Ask the dealer for an update. We checked its advertised mileage against the government's MOT record, and they match. It is advertised by S & R Motors in Swindon. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 7 November 2026.

How we estimate prices and check cars

Price

Fair price: £866 (4%) over the AskCar estimate of £17,629.

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 7,184 priced BMW 1 Series adverts across different ages and specifications, as of 7 November 2026.

A 2020 BMW 1 Series with the 1.5 petrol engine is typically advertised at £15,300: the median of the 432 for sale on AskCar, as of 7 November 2026.

Time on sale

This 2020 BMW 1 Series has been on sale for at least 108 days.

Price history

AskCar first saw this advert on 22 July 2026 at £18,795. Its asking price is now £18,495, £300 less. The latest price cut was seen on 30 August 2026.

Price changes recorded:

  • 22 July 2026: £18,795
  • 30 August 2026: £18,495

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 7 November 2026: the latest record we hold ran out on 7 August 2026; ask the dealer for the current MOT.

It has had 3 MOTs. The latest, on 28 July 2025, passed.

Advisories at the latest test: nearside rear child seat fitted not allowing full inspection of adult belt.

Mileage at that test: 30,414 miles, which matches the advertised 35,242 miles.

Advertised mileage is about 12,600 miles lower than the median mileage of a 2020 BMW 1 Series on AskCar.

Similar cars

185 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 7 November 2026.

The 3 closest to this car in mileage:

  • 2020 BMW 1 Series M Sport, 1.5 petrol hatchback, white. Mileage: 35,271 miles. Price: £17,080, £1,415 less than this car. Dealer: Big Motoring World Leeds in Leeds. AskCar page: https://askcar.co.uk/car/bmw-1-series-2020-fe740b801af4
  • 2020 BMW 1 Series M Sport, 1.5 petrol hatchback, grey. Mileage: 35,359 miles. Price: £17,650, £845 less than this car. Dealer: WRC Sales in Carlisle. AskCar page: https://askcar.co.uk/car/bmw-1-series-2020-3f96316206c9
  • 2020 BMW 1 Series M Sport, 1.5 petrol hatchback, white. Mileage: 35,361 miles. Price: £16,995, £1,500 less than this car. Dealer: Group 1 Hailsham BMW in Hailsham. AskCar page: https://askcar.co.uk/car/bmw-1-series-2020-eb6c36574016
  • The nearest: 2020 BMW 1 Series M Sport, 1.5 petrol hatchback, white, 19 miles from this car. Mileage: 44,181 miles. Price: £16,795, £1,700 less than this car. Dealer: Manor Sales in Chippenham. AskCar page: https://askcar.co.uk/car/bmw-1-series-2020-225f403319b7

Browse all BMW 1 Series cars for sale · 2020 BMW 1 Series price guide

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Photos

96 photos of this car are on its AskCar page.

As of 7 November 2026, AskCar lists 601,018 cars and vans from 12,892 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.