2023 BMW M3

3.0 Competition Auto 5dr M

£68,000

Fair price: within 8% of the typical £66,888 for this model, age and mileage, drawing on 777 adverts of this make and model.

Overview

Make
BMW
Model
M3
Trim
COMPETITION
Version
3.0 Competition Auto 5dr M
Mileage
12,450 miles
Year
2023
Fuel type
Petrol
Body type
Estate
Engine
3.0 L
Gearbox
Automatic
CO2
234 g/km
Colour
Grey
Doors
5
Engine badge
Competition

About this car

At 12,450 miles, this 2023 BMW M3 Competition has covered about 9,200 fewer miles than other 2023 BMW M3 cars. Its asking price of £68,000 is £1,112 above our estimate of £66,888. To estimate its market asking price, we analyse UK dealer adverts for 777 BMW M3 cars across different ages and specifications. We first saw this car advertised 21 days ago. Its asking price has since fallen by £1,885. The seller is Hedin Automotive Bromley BMW, based in Bromley.

Stock data from 20 October 2026.

How we estimate prices and check cars

Price history

First seen on 30 September 2026, 21 days ago. Advert duration calculated on 21 October 2026. Net asking-price reduction: £1,885 from the first recorded £69,885. 2 price reductions recorded, the latest observed on 20 October 2026.

Recorded asking prices
Date observedAsking price
30 September 2026£69,885
13 October 2026£68,850
20 October 2026£68,000

Price and mileage comparison

Estimated market asking price: £66,888. The asking price is £1,112 above 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 777 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 9,200 miles lower than typical for a 2023 BMW M3.

MOT

MOT no details held by dvla.

104 other cars with the same year, trim, gearbox and fuel are for sale from £54,995 to £77,995.

Other matching cars (up to five, cheapest first)
Asking priceMileage
£54,99554,000 miles
£54,99536,430 miles
£54,99547,461 miles
£55,00030,856 miles
£55,45048,499 miles

These cars have covered 4,742–54,000 miles, compared with 12,450 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 M3 cars for sale · 2023 BMW M3 price guide

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Dealer

Hedin Automotive Bromley BMW, Bromley. Across the dealer network: 9 branches, 528 cars for sale.

Dealer postcode: BR1 2NE.

Dealer opening hours

Monday
08:30-18:00
Tuesday
08:30-18:00
Wednesday
08:30-18:00
Thursday
08:30-18:00
Friday
08:30-18:00
Saturday
09:00-17:00
Sunday
Closed

Vehicle photos