What’s my BMW M3 Competition worth?

Used BMW M3 Competition at UK specialist dealers are asking from £29,995 to £73,995, with a median of £44,995 today (12 for sale).

These are asking prices, not what cars sell for or what a dealer would pay you. Buyers usually negotiate, and a dealer buying your car offers less than it would ask, to cover preparation, a warranty and its margin.

As of 13 November 2026, from every BMW M3 Competition for sale at the UK’s specialist dealers, which Vertar reads each day. Find your year below, then your mileage.

Asking prices by year

YearFor saleLowestMedianHighest
20231£74k£74k£74k
20224£55k£57k£60k
20211£50k£50k£50k
20183£36k£42k£45k
20172£30k£30k£36k
20161£33k£33k£33k

Asking prices by mileage

All years together, so a band’s figure also reflects the ages of the cars in it.

MileageFor saleLowestMedianHighest
5,000 to 15,0002£57k£57k£58k
15,000 to 30,0004£45k£55k£74k
30,000 to 60,0004£36k£36k£50k
60,000 and over2£30k£30k£33k

How quickly they sell

8% of BMW M3 Competitions for sale at UK specialists have had a price cut, of 12.

A car priced near the median for its year and mileage sells sooner; one priced well above usually waits, then has its price cut.

Recently sold

The last asking price of each, and how long it took to sell.

Selling yours?

Every way to sell a performance car in the UK, what each costs you and how long it takes: how to sell a performance car. Buying instead? Where to buy a used BMW M3 Competition or see every one for sale.

Questions

How much is my BMW M3 Competition worth?

Used BMW M3 Competition at UK specialist dealers are asking from £29,995 to £73,995, with a median of £44,995 today (12 for sale). These are asking prices, not what cars sell for or what a dealer would pay you. Buyers usually negotiate, and a dealer buying your car offers less than it would ask, to cover preparation, a warranty and its margin.

How quickly do BMW M3 Competition sell?

8% of BMW M3 Competitions for sale at UK specialists have had a price cut, of 12.

Where can I sell my BMW M3 Competition?

To a specialist dealer (quickest, at a trade price), as a part-exchange, on sale or return through a specialist, through an online car-buying service, at auction, or privately through a classified advert. Our guide to selling compares them.