2023 BMW M3

3.0 BiTurbo Competition Steptronic 4WD Euro 6 (s/s) 4dr M (503 bhp)

£58,990

Good value: £6,472 under the typical £65,462 for this model, age and mileage, drawing on 780 adverts of this make and model.

Overview

Make
BMW
Model
M3
Trim
COMPETITION
Version
3.0 BiTurbo Competition Steptronic 4WD Euro 6 (s/s) 4dr M (503 bhp)
Mileage
14,929 miles
Year
2023
Fuel type
Petrol
Body type
Saloon
Engine
3.0 L
Gearbox
Automatic
Power
503 bhp
Seats
5
CO2
229 g/km
Colour
Black
Doors
4
Driven wheels
Four Wheel Drive
Gearbox version
Steptronic
Engine badge
BiTurbo
Emissions standard
Euro 6

About this car

At 14,929 miles, this 2023 BMW M3 Competition has covered about 6,300 fewer miles than other 2023 BMW M3 cars. Its asking price of £58,990 is £6,472 below our estimate of £65,462. To estimate its market asking price, we analyse UK dealer adverts for 780 BMW M3 cars across different ages and specifications. We first recorded this advert 147 days ago, and its asking price has since fallen by £6,000. That history is worth bearing in mind when speaking to the dealer. Its recorded MOT is valid until 17 May 2027, and its advertised mileage is consistent with the latest MOT reading. It is for sale at Savannah in Westcliff-on-SEA.

Stock data from 21 October 2026.

How we estimate prices and check cars

Price history

First seen on 28 May 2026, 147 days ago. Advert duration calculated on 22 October 2026. Net asking-price reduction: £6,000 from the first recorded £64,990. 5 price reductions recorded, the latest observed on 20 October 2026.

Recorded asking prices
Date observedAsking price
29 May 2026£64,990
9 June 2026£63,990
16 June 2026£62,990
19 June 2026£62,490
10 July 2026£62,490
16 July 2026£59,990
20 October 2026£58,990
21 October 2026£58,990

Price and mileage comparison

Estimated market asking price: £65,462. The asking price is £6,472 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 780 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 6,300 miles lower than typical for a 2023 BMW M3.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 17 May 2027. 14,938 miles at the last test.

106 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
£55,45048,499 miles
£55,95015,672 miles
£55,95015,672 miles

These cars have covered 4,742–54,000 miles, compared with 14,929 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

How to contact the dealer, its opening hours and the cheaper cars like this one are on this AskCar page.

Vehicle photos