2018 BMW M3

3.0 BiTurbo Competition DCT RWD Euro 6 (s/s) 4dr (444 bhp)

£32,995

Fair price: within 8% of the typical £33,522 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 BiTurbo Competition DCT RWD Euro 6 (s/s) 4dr (444 bhp)
Mileage: 66,800 miles
Year: 2018
Fuel type: Petrol
Body type: Saloon
Engine: 3.0 L
Gearbox: Automatic
Power: 444 bhp
Seats: 5
CO2: 194 g/km
Colour: Black
Doors: 4
Driven wheels: Rear Wheel Drive
Gearbox version: DCT
Engine badge: BiTurbo
Emissions standard: Euro 6

About this car

With 66,800 miles on the clock, this 2018 BMW M3 Competition has done roughly 20,000 more miles than a typical 2018 BMW M3. The dealer is asking £32,995, which is £527 below our market estimate of £33,522. Our estimate draws on 775 BMW M3 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first saw this car advertised 96 days ago. Its asking price has since fallen by £2,000. It may give you a starting point for a conversation about price. Its recorded MOT is valid until 2 December 2026, and its advertised mileage is consistent with the latest MOT reading. The seller is TT Motor Group, based in Didcot.

Stock data from 19 October 2026.

How we estimate prices and check cars

Price history

First seen on 16 July 2026, 96 days ago. Advert duration calculated on 20 October 2026. Net asking-price reduction: £2,000 from the first recorded £34,995. 1 price reduction recorded, the latest observed on 11 September 2026.

Recorded asking prices
Date observed	Asking price
17 July 2026	£34,995
11 September 2026	£32,995
19 October 2026	£32,995

Price and mileage comparison

Estimated market asking price: £33,522. The asking price is £527 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 775 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 20,000 miles higher than typical for a 2018 BMW M3.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 2 December 2026. 64,358 miles at the last test.

16 other cars with the same year, trim, gearbox and fuel are for sale from £32,997 to £42,995.

Other matching cars (up to five, cheapest first)
Asking price	Mileage
£32,997	63,500 miles
£34,995	63,400 miles
£34,995	64,600 miles
£34,995	58,400 miles
£35,400	43,041 miles

These cars have covered 22,800–65,000 miles, compared with 66,800 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

Dealer

TT Motor Group, Didcot. Across the dealer network: 25 cars for sale.

Dealer postcode: OX11 8AG.