2023 BMW 3 Series M Sport

Price: £29,971. Fair price: £279 (under 1%) under the AskCar estimate of £30,250, our expected asking price for this car from its model, age, mileage and specification, drawing on 6,864 priced BMW 3 Series adverts on AskCar as of 10 November 2026.

AskCar lists 7,127 used BMW 3 Series from 2,713 UK dealerships, as of 10 November 2026.

Overview

  • Make: BMW
  • Model: 3 Series
  • Trim: M Sport
  • Version: M Sport Auto Euro 6
  • Year: 2023
  • Mileage: 35,000 miles
  • Fuel: Hybrid
  • Body: 5 seats
  • Gearbox: Automatic
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 BMW 3 Series M Sport has covered 35,000 miles. Its asking price of £29,971 is £279 below the AskCar estimate of £30,250. To work out the AskCar estimate, we analyse UK dealer adverts for 6,864 BMW 3 Series cars across different ages and specifications. We first recorded this car for sale 115 days ago. It is advertised by G-Force Motors in Barnsley. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 10 November 2026.

How we estimate prices and check cars

G-Force Motors is rated 5.0 out of 5 on Google.

Price

Fair price: £279 (under 1%) under the AskCar estimate of £30,250.

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 6,864 priced BMW 3 Series adverts across different ages and specifications, as of 10 November 2026.

Time on sale

This 2023 BMW 3 Series has been on sale for at least 115 days.

Price history

AskCar first saw this advert on 18 July 2026 at £29,971. Its asking price has not changed.

Mileage and MOT

Advertised mileage is about 1,600 miles higher than the median mileage of a 2023 BMW 3 Series on AskCar.

Browse all BMW 3 Series cars for sale · 2023 BMW 3 Series price guide

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Photos

10 photos of this car are on its AskCar page.

As of 10 November 2026, AskCar lists 591,054 cars and vans from 12,888 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.