2023 BMW 1 Series 1.5 118i M Sport

Price: £20,790. Fair price: £353 (1%) under the AskCar estimate of £21,143, our expected asking price for this car from its model, age, mileage and specification, drawing on 7,261 priced BMW 1 Series adverts on AskCar as of 6 November 2026.

AskCar lists 7,538 used BMW 1 Series from 2,744 UK dealerships, as of 6 November 2026.

Overview

  • Make: BMW
  • Model: 1 Series
  • Trim: M Sport
  • Version: 1.5 118i M Sport DCT FWD Euro 6 (s/s) 5dr (134 bhp)
  • Year: 2023
  • Mileage: 18,903 miles
  • Fuel: Petrol
  • Body: Hatchback, 5 doors, 5 seats
  • Engine: 1.5 litres, 134 bhp
  • Gearbox: Automatic (DCT)
  • Drive: Front-wheel drive
  • Colour: Grey
  • CO2: 134 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

With 18,903 miles on the clock, this 2023 BMW 1 Series M Sport has done roughly 5,800 fewer miles than a typical 2023 BMW 1 Series. Priced at £20,790, it is advertised £353 below the AskCar estimate of £21,143. The AskCar estimate uses UK dealer asking prices, including 7,261 BMW 1 Series adverts, and accounts for the car’s age, mileage and specification. We first recorded this advert 31 days ago, and its asking price has since fallen by £700. Its advertised mileage matches the government's MOT record. You can find this car at Stratstone BMW Maidstone in Aylesford. 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: £353 (1%) under the AskCar estimate of £21,143.

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 2023 BMW 1 Series with the 1.5 petrol engine is typically advertised at £19,600: the median of the 655 for sale on AskCar, as of 6 November 2026.

Time on sale

This 2023 BMW 1 Series has been on sale for at least 31 days.

Price history

AskCar first saw this advert on 6 October 2026 at £21,490. Its asking price is now £20,790, £700 less. The latest price cut was seen on 23 October 2026.

Price changes recorded:

  • 6 October 2026: £21,490
  • 10 October 2026: £21,390
  • 15 October 2026: £21,590
  • 21 October 2026: £21,290
  • 23 October 2026: £20,690
  • 5 November 2026: £20,790

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 6 November 2026: valid until 20 September 2027.

It has had one MOT, on 21 September 2026, and passed.

Advisories at the latest test: front brake pad(s) wearing thin both; rear brake pad(s) wearing thin both; nearside front tyre worn close to legal limit/worn on edge also tyre has slight cut; and 2 more.

Mileage at that test: 18,817 miles, which matches the advertised 18,903 miles.

Advertised mileage is about 5,800 miles lower than the median mileage of a 2023 BMW 1 Series on AskCar.

Similar cars

423 other 2023 BMW 1 Series M Sport 1.5 petrol automatic hatchbacks are for sale at UK dealers, from £14,395 to £29,990, as of 6 November 2026.

The 3 closest to this car in mileage:

  • 2023 BMW 1 Series M Sport, 1.5 petrol hatchback, black. Mileage: 18,983 miles. Price: £20,500, £290 less than this car. Dealer: Foray Motor Group English Ford in Poole. AskCar page: https://askcar.co.uk/car/bmw-1-series-2023-f5cc5d080f37
  • 2023 BMW 1 Series M Sport, 1.5 petrol hatchback, black. Mileage: 18,780 miles. Price: £19,298, £1,492 less than this car. Dealer: CarSupermarket.com Barnsley in Barnsley. AskCar page: https://askcar.co.uk/car/bmw-1-series-2023-cd8e2f428679
  • 2023 BMW 1 Series M Sport, 1.5 petrol hatchback, blue. Mileage: 19,034 miles. Price: £21,000, £210 more than this car. Dealer: Sytner Cardiff BMW in Cardiff. AskCar page: https://askcar.co.uk/car/bmw-1-series-2023-7e4757f583a8
  • The nearest: 2023 BMW 1 Series M Sport, 1.5 petrol hatchback, black, under a mile from this car. Mileage: 17,325 miles. Price: £22,290, £1,500 more than this car. Dealer: Stratstone BMW Maidstone in Maidstone. AskCar page: https://askcar.co.uk/car/bmw-1-series-2023-b21e0498e216

Browse all BMW 1 Series cars for sale · 2023 BMW 1 Series price guide

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Photos

39 photos of this car are on its AskCar page.

As of 6 November 2026, AskCar lists 598,752 cars and vans from 12,905 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.