2023 BMW 1 Series 1.5 118i M Sport

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: 21,800 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 has covered 21,800 miles, around 2,900 fewer miles than is typical for its age. The dealer is asking £16,990, which is £2,104 below the AskCar estimate of £19,094. To work out the AskCar estimate, we analyse UK dealer adverts for 7,180 BMW 1 Series cars across different ages and specifications. We have tracked this advert for 40 days. Its advertised mileage matches the government's MOT record. It is for sale at Southwick Car Centre in Nr Trowbridge. 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

Good value: £2,104 (11%) under the AskCar estimate of £19,094.

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 £16,990. Its asking price has not changed.

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 16 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: 18,882 miles, which matches the advertised 21,800 miles.

Advertised mileage is about 2,900 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, grey. Mileage: 21,781 miles. Price: £18,650, £1,660 more than this car. Dealer: Trust Ford Birmingham in Birmingham. AskCar page: https://askcar.co.uk/car/bmw-1-series-2023-8a8af32759a8
• 2023 BMW 1 Series M Sport, 1.5 petrol hatchback, black. Mileage: 21,852 miles. Price: £19,950, £2,960 more than this car. Dealer: Lloyd Newcastle BMW in Newcastle upon Tyne. AskCar page: https://askcar.co.uk/car/bmw-1-series-2023-33019b6e5459
• 2023 BMW 1 Series M Sport, 1.5 petrol hatchback, white. Mileage: 21,675 miles. Price: £18,099, £1,109 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, blue, 18 miles from this car. Mileage: 58,000 miles. Price: £14,950, £2,040 less than this car. Dealer: SFD Motor Co in Bristol. AskCar page: https://askcar.co.uk/car/bmw-1-series-2023-f755af1bd31a