2023 BMW 1 Series

1.5 118i M Sport DCT FWD Euro 6 (s/s) 5dr (134 bhp)

£19,498

Good value: £1,883 under the typical £21,381 for this model, age and mileage, drawing on 7,018 adverts of this make and model.

Overview

Make: BMW
Model: 1 Series
Trim: M SPORT
Version: 1.5 118i M Sport DCT FWD Euro 6 (s/s) 5dr (134 bhp)
Mileage: 18,780 miles
Year: 2023
Fuel type: Petrol
Body type: Hatchback
Engine: 1.5 L
Gearbox: Automatic
Power: 134 bhp
Seats: 5
CO2: 134 g/km
Colour: Black
Doors: 5
Driven wheels: Front Wheel Drive
Gearbox version: DCT
Engine badge: 118i
Emissions standard: Euro 6

About this car

This 2023 BMW 1 Series M Sport is advertised with 18,780 miles, approximately 6,000 below the typical mileage for its age. The dealer is asking £19,498, which is £1,883 below our market estimate of £21,381. Our estimate draws on 7,018 BMW 1 Series adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first recorded this advert 20 days ago, and its asking price has since fallen by £400. Its recorded MOT is valid until 18 June 2027, and its advertised mileage is consistent with the latest MOT reading. The seller is CarSupermarket.com Barnsley, based in Barnsley.

Stock data from 21 October 2026.

How we estimate prices and check cars

Price history

First seen on 2 October 2026, 20 days ago. Advert duration calculated on 22 October 2026. Net asking-price reduction: £400 from the first recorded £19,898. 2 price reductions recorded, the latest observed on 21 October 2026.

Recorded asking prices
Date observed	Asking price
2 October 2026	£19,898
6 October 2026	£19,698
21 October 2026	£19,498

Price and mileage comparison

Estimated market asking price: £21,381. The asking price is £1,883 below this estimate.

The estimate uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It estimates an advertised price, not a confirmed sale price.

The pricing calculation includes 7,018 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 6,000 miles lower than typical for a 2023 BMW 1 Series.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 18 June 2027. 17,416 miles at the last test.

386 other cars with the same year, trim, gearbox and fuel are for sale from £13,900 to £29,990.

Other matching cars (up to five, cheapest first)
Asking price	Mileage
£13,900	79,376 miles
£13,990	28,000 miles
£14,395	80,685 miles
£15,300	64,398 miles
£15,370	72,675 miles

These cars have covered 1–80,685 miles, compared with 18,780 miles for this car.

Matching year, trim, gearbox and fuel does not mean matching mileage or every specification. Our estimate adjusts for these differences using the wider market data.

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

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Dealer

CarSupermarket.com Barnsley, Barnsley. Across the dealer network: 14 branches, 1,429 cars for sale.

Dealer postcode: S70 5SZ.

Dealer opening hours

Monday: 08:30-20:00
Tuesday: 08:30-20:00
Wednesday: 08:30-20:00
Thursday: 08:30-20:00
Friday: 08:30-20:00
Saturday: 08:30-17:30
Sunday: 10:00-16:00