2018 BMW M3

3.0 Competition DCT RWD Euro 6 4dr

£42,500

Fair price: within 8% of the typical £40,591 for this model, age and mileage, drawing on 758 adverts of this make and model.

Overview

Make: BMW
Model: M3
Trim: COMPETITION
Version: 3.0 Competition DCT RWD Euro 6 4dr
Mileage: 34,159 miles
Year: 2018
Fuel type: Petrol
Body type: Saloon
Engine: 3.0 L
Gearbox: Automatic
Seats: 5
CO2: 194 g/km
Colour: White
Doors: 4
Driven wheels: Rear Wheel Drive
Gearbox version: DCT
Emissions standard: Euro 6

About this car

With 34,159 miles on the clock, this 2018 BMW M3 Competition has done roughly 13,800 fewer miles than a typical 2018 BMW M3. At £42,500, it is advertised £1,909 above our estimated market asking price of £40,591. To estimate its market asking price, we analyse UK dealer adverts for 758 BMW M3 cars across different ages and specifications. We first recorded this car for sale 21 days ago. Its recorded MOT is valid until 29 April 2027, and its advertised mileage is consistent with the latest MOT reading. You can find this car at Sytner Chigwell BMW in Loughton.

Stock data from 29 October 2026.

How we estimate prices and check cars

Price history

First seen on 9 October 2026, 21 days ago. Advert duration calculated on 30 October 2026.

Recorded asking prices
Date observed	Asking price
9 October 2026	£42,500
29 October 2026	£42,500

Price and mileage comparison

Estimated market asking price: £40,591. The asking price is £1,909 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 758 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 13,800 miles lower than typical for a 2018 BMW M3.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 29 April 2027. 33,929 miles at the last test.

18 other cars with the same year, trim, gearbox and fuel are for sale from £32,495 to £49,500.

Other matching cars (up to five, cheapest first)
Asking price	Mileage
£32,495	66,800 miles
£32,997	63,500 miles
£34,000	70,000 miles
£34,995	63,400 miles
£34,995	64,600 miles

These cars have covered 8,393–70,000 miles, compared with 34,159 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

Vehicle photos

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