2023 BMW 1 Series 1.5 118i M Sport

Price: £20,200. Fair price: £836 (3%) under the AskCar estimate of £21,036, our expected asking price for this car from its model, age, mileage and specification, drawing on 7,218 priced BMW 1 Series adverts on AskCar as of 11 November 2026.

AskCar lists 7,412 used BMW 1 Series from 2,739 UK dealerships, as of 11 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: 19,382 miles
  • Fuel: Petrol
  • Body: Hatchback, 5 doors, 5 seats
  • Engine: 1.5 litres, 134 bhp
  • Gearbox: Automatic (DCT)
  • Drive: Front-wheel drive
  • Colour: Blue
  • CO2: 134 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

With 19,382 miles on the clock, this 2023 BMW 1 Series M Sport has done roughly 5,400 fewer miles than a typical 2023 BMW 1 Series. The AskCar estimate for this car is £21,036. It is priced at £20,200, which is £836 below that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 7,218 BMW 1 Series cars across different ages and specifications. Since we first spotted the advert 45 days ago, the asking price has dropped by £1,300. The seller is Marshall BMW Hampshire, based in Hook. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 11 November 2026.

How we estimate prices and check cars

Marshall BMW Hampshire is rated 4.2 out of 5 on Google.

Price

Fair price: £836 (3%) under the AskCar estimate of £21,036.

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 7,218 priced BMW 1 Series adverts across different ages and specifications, as of 11 November 2026.

A 2023 BMW 1 Series with the 1.5 petrol engine is typically advertised at £19,600: the median of the 651 for sale on AskCar, as of 11 November 2026.

Time on sale

This 2023 BMW 1 Series has been on sale for at least 45 days.

Price history

AskCar first saw this advert on 27 September 2026 at £21,500. Its asking price is now £20,200, £1,300 less. The latest price cut was seen on 6 November 2026.

Price changes recorded:

  • 27 September 2026: £21,500
  • 2 October 2026: £21,400
  • 9 October 2026: £21,100
  • 10 October 2026: £21,000
  • 17 October 2026: £20,860
  • 24 October 2026: £20,600
  • 28 October 2026: £20,400
  • 30 October 2026: £20,600
  • 6 November 2026: £20,200

Mileage and MOT

Advertised mileage is about 5,400 miles lower than the median mileage of a 2023 BMW 1 Series on AskCar.

Similar cars

414 other 2023 BMW 1 Series M Sport 1.5 petrol automatic hatchbacks are for sale at UK dealers, from £14,000 to £29,990, as of 11 November 2026.

The 3 closest to this car in mileage:

  • 2023 BMW 1 Series M Sport, 1.5 petrol hatchback, white. Mileage: 19,510 miles. Price: £20,998, £798 more than this car. Dealer: Arnold Clark Armadale Citroen Leapmotor Vanstore in Armadale. AskCar page: https://askcar.co.uk/car/bmw-1-series-2023-f185a46c01cc
  • 2023 BMW 1 Series M Sport, 1.5 petrol hatchback, black. Mileage: 19,593 miles. Price: £20,990, £790 more than this car. Dealer: MINI UK at Williams Stockport in Stockport. AskCar page: https://askcar.co.uk/car/bmw-1-series-2023-00e17ef7a2b5
  • 2023 BMW 1 Series M Sport, 1.5 petrol hatchback, black. Mileage: 19,704 miles. Price: £20,499, £299 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: 39,261 miles. Price: £18,800, £1,400 less than this car. Dealer: Marshall BMW Hampshire in Hook. AskCar page: https://askcar.co.uk/car/bmw-1-series-2023-98b0d3bf206d

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

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Photos

4 photos of this car are on its AskCar page.

As of 11 November 2026, AskCar lists 593,449 cars and vans from 12,847 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.