2023 BMW 1 Series 1.5 118i M Sport

Price: £19,999. Fair price: £746 (3%) under the AskCar estimate of £20,745, our expected asking price for this car from its model, age, mileage and specification, drawing on 6,999 priced BMW 1 Series adverts on AskCar as of 2 November 2026.

AskCar lists 7,294 used BMW 1 Series from 2,704 UK dealerships, as of 2 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: 23,608 miles
  • Fuel: Petrol
  • Body: Hatchback, 5 doors, 5 seats
  • Engine: 1.5 litres, 134 bhp
  • Gearbox: Automatic (DCT)
  • Drive: Front-wheel drive
  • Colour: White
  • CO2: 134 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 BMW 1 Series M Sport has covered 23,608 miles. The dealer is asking £19,999, which is £746 below the AskCar estimate of £20,745. To work out the AskCar estimate, we analyse UK dealer adverts for 6,999 BMW 1 Series cars across different ages and specifications. We first saw this car advertised 89 days ago. Its asking price has since fallen by £500. You can find this car at Available Car Supermarket - Castle Donington in Castle Donnington. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 2 November 2026.

How we estimate prices and check cars

Price

Fair price: £746 (3%) under the AskCar estimate of £20,745.

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 6,999 priced BMW 1 Series adverts across different ages and specifications, as of 2 November 2026.

A 2023 BMW 1 Series with the 1.5 petrol engine is typically advertised at £19,700: the median of the 620 for sale on AskCar, as of 2 November 2026.

Time on sale

This 2023 BMW 1 Series has been on sale for at least 89 days.

Price history

AskCar first saw this advert on 5 August 2026 at £20,499. Its asking price is now £19,999, £500 less. The latest price cut was seen on 21 October 2026.

Price changes recorded:

  • 5 August 2026: £20,499
  • 26 September 2026: £20,299
  • 21 October 2026: £19,999

Mileage and MOT

Advertised mileage is about 1,200 miles lower than the median mileage of a 2023 BMW 1 Series on AskCar.

Similar cars

395 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 2 November 2026.

The 3 closest to this car in mileage:

  • 2023 BMW 1 Series M Sport, 1.5 petrol hatchback, grey. Mileage: 23,549 miles. Price: £21,790, £1,791 more than this car. Dealer: Dick Lovett in Potters Bar. AskCar page: https://askcar.co.uk/car/bmw-1-series-2023-860ec4fcb9ec
  • 2023 BMW 1 Series M Sport, 1.5 petrol hatchback, grey. Mileage: 23,498 miles. Price: £20,998, £999 more than this car. Dealer: Arnold Clark Wirral Renault / Dacia in Birkenhead. AskCar page: https://askcar.co.uk/car/bmw-1-series-2023-1ee494d7d3a6
  • 2023 BMW 1 Series M Sport, 1.5 petrol hatchback, grey. Mileage: 23,719 miles. Price: £20,998, £999 more than this car. Dealer: Arnold Clark Stirling Vauxhall in Stirling. AskCar page: https://askcar.co.uk/car/bmw-1-series-2023-b499a825ddd6
  • The nearest: 2023 BMW 1 Series M Sport, 1.5 petrol hatchback, black, under a mile from this car. Mileage: 19,704 miles. Price: £20,499, £500 more than this car. Dealer: Available Car Supermarket - Castle Donington in Castle Donington. AskCar page: https://askcar.co.uk/car/bmw-1-series-2023-7c6d47cbc027

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

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Photos

38 photos of this car are on its AskCar page.

As of 2 November 2026, AskCar lists 586,270 cars and vans from 12,920 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.