2023 BMW 1 Series 1.5 118i M Sport

Price: £17,999. Fair price: £1,141 (5%) under the AskCar estimate of £19,140, 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 Manual FWD Euro 6 (s/s) 5dr (LCP) (134 bhp)
  • Year: 2023
  • Mileage: 20,518 miles
  • Fuel: Petrol
  • Body: Hatchback, 5 doors, 5 seats
  • Engine: 1.5 litres, 134 bhp
  • Gearbox: Manual
  • Drive: Front-wheel drive
  • Colour: White
  • CO2: 134 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

With 20,518 miles on the clock, this 2023 BMW 1 Series M Sport has done roughly 4,200 fewer miles than a typical 2023 BMW 1 Series. Priced at £17,999, it is advertised £1,141 below the AskCar estimate of £19,140. To work out the AskCar estimate, we analyse UK dealer adverts for 7,261 BMW 1 Series cars across different ages and specifications. Since we first spotted the advert 64 days ago, the asking price has dropped by £1,500. Its advertised mileage matches the government's MOT record. The seller is Halliwell Jones Southport BMW, based in Southport. 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: £1,141 (5%) under the AskCar estimate of £19,140.

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 64 days.

Price history

AskCar first saw this advert on 3 September 2026 at £19,499. Its asking price is now £17,999, £1,500 less. The latest price cut was seen on 5 November 2026.

Price changes recorded:

  • 3 September 2026: £19,499
  • 15 September 2026: £19,399
  • 22 September 2026: £19,299
  • 26 September 2026: £19,199
  • 29 September 2026: £19,299
  • 14 October 2026: £18,899
  • 21 October 2026: £18,799
  • 27 October 2026: £18,699
  • 30 October 2026: £18,599
  • 4 November 2026: £18,499
  • 5 November 2026: £17,999

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 6 November 2026: valid until 26 April 2027.

It has had one MOT, on 17 April 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 18,251 miles, which matches the advertised 20,518 miles.

Advertised mileage is about 4,200 miles lower than the median mileage of a 2023 BMW 1 Series on AskCar.

Similar cars

105 other 2023 BMW 1 Series M Sport 1.5 petrol manual hatchbacks are for sale at UK dealers, from £14,950 to £21,990, as of 6 November 2026.

The 3 closest to this car in mileage:

  • 2023 BMW 1 Series M Sport, 1.5 petrol hatchback, blue. Mileage: 20,991 miles. Price: £18,799, £800 more than this car. Dealer: Motorpoint Peterborough in Peterborough. AskCar page: https://askcar.co.uk/car/bmw-1-series-2023-9d7f86693492
  • 2023 BMW 1 Series M Sport, 1.5 petrol hatchback, blue. Mileage: 19,370 miles. Price: £19,988, £1,989 more than this car. Dealer: Vertu BMW Sunderland in Sunderland. AskCar page: https://askcar.co.uk/car/bmw-1-series-2023-0ee5658335a1
  • 2023 BMW 1 Series M Sport, 1.5 petrol hatchback, white. Mileage: 21,675 miles. Price: £18,099, £100 more than this car. Dealer: cinch Corby in Corby. AskCar page: https://askcar.co.uk/car/bmw-1-series-2023-11d8545b460e
  • The nearest: 2023 BMW 1 Series M Sport, 1.5 petrol hatchback, grey, 18 miles from this car. Mileage: 28,064 miles. Price: £17,695, £304 less than this car. Dealer: Motor Trust UK Garstang in Preston. AskCar page: https://askcar.co.uk/car/bmw-1-series-2023-17f950f6cc4e

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.