2023 BMW 1 Series 1.5 118i M Sport

Price: £20,495. Fair price: £114 (under 1%) over the AskCar estimate of £20,381, our expected asking price for this car from its model, age, mileage and specification, drawing on 7,180 priced BMW 1 Series adverts on AskCar as of 4 November 2026.

AskCar lists 7,430 used BMW 1 Series from 2,715 UK dealerships, as of 4 November 2026.

Overview

  • Make: BMW
  • Model: 1 Series
  • Trim: M Sport
  • Version: 1.5 118i M Sport DCT FWD Euro 6 (s/s) 5dr (LCP) (134 bhp)
  • Year: 2023
  • Mileage: 21,334 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

This 2023 BMW 1 Series M Sport is advertised with 21,334 miles, approximately 3,400 below the typical mileage for its age. The dealer is asking £20,495, which is £114 above the AskCar estimate of £20,381. To work out the AskCar estimate, we analyse UK dealer adverts for 7,180 BMW 1 Series cars across different ages and specifications. It first appeared in our advert records today. The seller is Motor Trust Lancaster, based in Morecambe. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 4 November 2026.

How we estimate prices and check cars

Price

Fair price: £114 (under 1%) over the AskCar estimate of £20,381.

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 7,180 priced BMW 1 Series adverts across different ages and specifications, as of 4 November 2026.

A 2023 BMW 1 Series with the 1.5 petrol engine is typically advertised at £19,700: the median of the 650 for sale on AskCar, as of 4 November 2026.

Time on sale

AskCar first saw this 2023 BMW 1 Series advertised today. About half of 2023 BMW 1 Series cars are gone from sale within a month of being advertised: 611 of the 1,350 first advertised between 8 July 2026 and 1 October 2026.

Price history

AskCar first saw this advert on 4 November 2026 at £20,495. Its asking price has not changed.

Mileage and MOT

Advertised mileage is about 3,400 miles lower than the median mileage of a 2023 BMW 1 Series on AskCar.

Similar cars

418 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 4 November 2026.

The 3 closest to this car in mileage:

  • 2023 BMW 1 Series M Sport, 1.5 petrol hatchback, grey. Mileage: 21,396 miles. Price: £21,499, £1,004 more than this car. Dealer: Motorpoint Birtley in Birtley. AskCar page: https://askcar.co.uk/car/bmw-1-series-2023-9d8bafbfa009
  • 2023 BMW 1 Series M Sport, 1.5 petrol hatchback, black. Mileage: 21,402 miles. Price: £20,498, the same price as this car. Dealer: Arnold Clark Doncaster Motorstore in Doncaster. AskCar page: https://askcar.co.uk/car/bmw-1-series-2023-23708512f11a
  • 2023 BMW 1 Series M Sport, 1.5 petrol hatchback, grey. Mileage: 21,502 miles. Price: £23,971, £3,476 more than this car. Dealer: G-Force Motors in Barnsley. AskCar page: https://askcar.co.uk/car/bmw-1-series-2023-686ef84043fb
  • The nearest: 2023 BMW 1 Series M Sport, 1.5 petrol hatchback, white, under a mile from this car. Mileage: 15,931 miles. Price: £20,795, £300 more than this car. Dealer: Motor Trust Lancaster in Lancaster. AskCar page: https://askcar.co.uk/car/bmw-1-series-2023-1372b30f3bc9

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

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Photos

3 photos of this car are on its AskCar page.

As of 4 November 2026, AskCar lists 592,552 cars and vans from 12,964 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.