2023 BMW 1 Series 1.5 118i M Sport

Price: £20,150. Fair price: £904 (4%) under the AskCar estimate of £21,054, 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: 19,812 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 is advertised with 19,812 miles, approximately 4,900 below the typical mileage for its age. The dealer is asking £20,150, which is £904 below the AskCar estimate of £21,054. To work out the AskCar estimate, we analyse UK dealer adverts for 7,261 BMW 1 Series cars across different ages and specifications. We first recorded this advert 27 days ago, and its asking price has since fallen by £1,800. It is for sale at Wollaston BMW in Northampton. 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: £904 (4%) under the AskCar estimate of £21,054.

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 27 days.

Price history

AskCar first saw this advert on 10 October 2026 at £21,950. Its asking price is now £20,150, £1,800 less. The latest price cut was seen on 4 November 2026.

Price changes recorded:

  • 10 October 2026: £21,950
  • 20 October 2026: £20,950
  • 31 October 2026: £20,750
  • 4 November 2026: £20,150

Mileage and MOT

Advertised mileage is about 4,900 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, grey. Mileage: 19,793 miles. Price: £20,998, £848 more than this car. Dealer: Arnold Clark Shrewsbury Motorstore in Shrewsbury. AskCar page: https://askcar.co.uk/car/bmw-1-series-2023-f6632759c429
  • 2023 BMW 1 Series M Sport, 1.5 petrol hatchback, grey. Mileage: 19,749 miles. Price: £20,499, £349 more than this car. Dealer: Hendy Car Store in Exeter. AskCar page: https://askcar.co.uk/car/bmw-1-series-2023-5848cd48eda3
  • 2023 BMW 1 Series M Sport, 1.5 petrol hatchback, black. Mileage: 19,704 miles. Price: £20,499, £349 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
  • The nearest: 2023 BMW 1 Series M Sport, 1.5 petrol hatchback, grey, under a mile from this car. Mileage: 39,600 miles. Price: £18,450, £1,700 less than this car. Dealer: Wollaston BMW in Wollaston. AskCar page: https://askcar.co.uk/car/bmw-1-series-2023-8fa8990d2541

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

More like this

Photos

23 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.