2018 BMW M3

3.0 Competition DCT RWD Euro 6 4dr (443 bhp)

£38,900

Fair price: within 8% of the typical £36,197 for this model, age and mileage, drawing on 775 adverts of this make and model.

Overview

Make
BMW
Model
M3
Trim
COMPETITION
Version
3.0 Competition DCT RWD Euro 6 4dr (443 bhp)
Mileage
57,000 miles
Year
2018
Fuel type
Petrol
Body type
Saloon
Engine
3.0 L
Gearbox
Automatic
Power
443 bhp
Seats
5
CO2
194 g/km
Colour
Blue
Doors
4
Driven wheels
Rear Wheel Drive
Gearbox version
DCT
Emissions standard
Euro 6

About this car

This 2018 BMW M3 Competition is advertised with 57,000 miles, approximately 10,200 above the typical mileage for its age. The dealer is asking £38,900, which is £2,703 above our market estimate of £36,197. To estimate its market asking price, we analyse UK dealer adverts for 775 BMW M3 cars across different ages and specifications. We first saw this car advertised 93 days ago. Its asking price has since fallen by £1,000. That history is worth bearing in mind when speaking to the dealer. Its MOT is recorded as valid until 5 December 2026. The advertised mileage is consistent with the latest MOT reading. It is advertised by Carderi Motors in Wembley.

Stock data from 19 October 2026.

How we estimate prices and check cars

Price history

First seen on 19 July 2026, 93 days ago. Advert duration calculated on 20 October 2026. Net asking-price reduction: £1,000 from the first recorded £39,900. 3 price reductions recorded, the latest observed on 29 September 2026.

Recorded asking prices
Date observedAsking price
19 July 2026£39,900
13 August 2026£39,495
13 September 2026£39,100
29 September 2026£38,900
19 October 2026£38,900

Price and mileage comparison

Estimated market asking price: £36,197. The asking price is £2,703 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 775 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 10,200 miles higher than typical for a 2018 BMW M3.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 5 December 2026. 51,777 miles at the last test.

16 other cars with the same year, trim, gearbox and fuel are for sale from £32,995 to £42,995.

Other matching cars (up to five, cheapest first)
Asking priceMileage
£32,99566,800 miles
£32,99763,500 miles
£34,99563,400 miles
£34,99564,600 miles
£34,99558,400 miles

These cars have covered 22,800–66,800 miles, compared with 57,000 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 · 2018 BMW M3 price guide

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Dealer

Carderi Motors, Wembley. Across the dealer network: 22 cars for sale.

Dealer postcode: HA0 3EL.

Dealer opening hours

Monday
09:00-18:00
Tuesday
09:00-18:00
Wednesday
09:00-18:00
Thursday
09:00-18:00
Friday
09:00-18:00
Saturday
10:00-18:00
Sunday
10:00-17:00

Vehicle photos