2023 BMW 1 Series 1.5 118i M Sport

Price: £20,800. Fair price: £1,156 (5%) over the AskCar estimate of £19,644, 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 Manual FWD Euro 6 (s/s) 5dr (LCP) (134 bhp)
  • Year: 2023
  • Mileage: 15,697 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

This 2023 BMW 1 Series M Sport is advertised with 15,697 miles, approximately 9,000 below the typical mileage for its age. The AskCar estimate for this car is £19,644. It is priced at £20,800, which is £1,156 above that estimate. The AskCar estimate uses 7,180 UK dealer adverts for the BMW 1 Series, with adjustments for age, mileage, trim, engine and other specifications. We first recorded this car for sale 40 days ago. The seller is Sytner Select Swindon, based in Swindon. 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: £1,156 (5%) over the AskCar estimate of £19,644.

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

This 2023 BMW 1 Series has been on sale for at least 40 days.

Price history

AskCar first saw this advert on 25 September 2026 at £19,500. Its asking price is now £20,800, £1,300 more.

Price changes recorded:

  • 25 September 2026: £19,500
  • 13 October 2026: £20,800

Mileage and MOT

Advertised mileage is about 9,000 miles lower than the median mileage of a 2023 BMW 1 Series on AskCar.

Similar cars

109 other 2023 BMW 1 Series M Sport 1.5 petrol manual hatchbacks are for sale at UK dealers, from £14,950 to £22,450, as of 4 November 2026.

The 3 closest to this car in mileage:

  • 2023 BMW 1 Series M Sport, 1.5 petrol hatchback, blue. Mileage: 15,780 miles. Price: £19,149, £1,651 less than this car. Dealer: Motorpoint Birtley in Birtley. AskCar page: https://askcar.co.uk/car/bmw-1-series-2023-97f9d5e0d233
  • 2023 BMW 1 Series M Sport, 1.5 petrol hatchback, white. Mileage: 15,881 miles. Price: £18,995, £1,805 less than this car. Dealer: B S Marson And Sons in Newcastle-under-Lyme. AskCar page: https://askcar.co.uk/car/bmw-1-series-2023-151555d06744
  • 2023 BMW 1 Series M Sport, 1.5 petrol hatchback, grey. Mileage: 15,155 miles. Price: £18,740, £2,060 less than this car. Dealer: Hedin Automotive Blackheath BMW in Blackheath. AskCar page: https://askcar.co.uk/car/bmw-1-series-2023-0e728b6eb685
  • The nearest: 2023 BMW 1 Series M Sport, 1.5 petrol hatchback, white, under a mile from this car. Mileage: 26,607 miles. Price: £17,200, £3,600 less than this car. Dealer: Sytner Select Swindon in Swindon. AskCar page: https://askcar.co.uk/car/bmw-1-series-2023-898838fb6265

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

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Photos

32 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.