2023 BMW M3 Competition

Version: Competition Auto 4dr (503 bhp)

Price: £67,888. Above the going rate: £5,148 (8%) over the AskCar estimate of £62,740, our expected asking price for this car from its model, age, mileage and specification, drawing on 753 priced BMW M3 adverts on AskCar as of 1 November 2026.

AskCar lists 806 used BMW M3 from 469 UK dealerships, as of 1 November 2026.

Overview

Make
BMW
Model
M3
Trim
Competition
Version
Competition Auto 4dr (503 bhp)
Mileage
20,000 miles
Year
2023
Fuel type
Petrol
Body type
Saloon
Gearbox
Automatic
Power
503 bhp
Seats
5
CO2
369 g/km
Colour
Black
Doors
4
Engine badge
Competition

About this car

This 2023 BMW M3 Competition has covered 20,000 miles. Priced at £67,888, it is advertised £5,148 above the AskCar estimate of £62,740. The AskCar estimate uses 753 UK dealer adverts for the BMW M3, with adjustments for age, mileage, trim, engine and other specifications. It first appeared in our advert records 57 days ago. The seller is Penny Hill Motors, based in Bagshot.

Stock data as of 1 November 2026.

How we estimate prices and check cars

Price history

AskCar first saw this advert on 5 September 2026, 57 days ago.

Recorded asking prices
Date observedAsking price
1 November 2026£67,888

Price and mileage comparison

Above the going rate: £5,148 (8%) over the AskCar estimate of £62,740.

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 753 priced BMW M3 adverts across different ages and specifications, as of 1 November 2026.

Advertised mileage is about 1,000 miles lower than the median mileage of a 2023 BMW M3 on AskCar.

Other matching cars

108 other 2023 BMW M3 Competition automatic petrol cars are for sale at UK dealers from £54,995 to £77,995, as of 1 November 2026.

The 5 cheapest:

The 108 matching cars have covered 4,742 to 54,000 miles, compared with 20,000 miles for this car.

Matching year, trim, gearbox and fuel does not mean matching mileage or every specification. The AskCar estimate adjusts for these differences.

Browse all BMW M3 cars for sale · 2023 BMW M3 price guide

More like this

Photos

52 photos of this car are on its AskCar page.

How to contact the dealer and its opening hours are on this AskCar page.

As of 1 November 2026, AskCar lists 578,994 cars and vans from 12,654 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.