2018 BMW 3 Series 2.0 320i M Sport
Version: 2.0 320i M Sport Auto RWD Euro 6 (s/s) 4dr (181 bhp)
Price: £18,695. Above the going rate: £1,800 (10%) over the AskCar estimate of £16,895, our expected asking price for this car from its model, age, mileage and specification, drawing on 6,718 priced BMW 3 Series adverts on AskCar as of 31 October 2026.
AskCar lists 6,973 used BMW 3 Series from 2,626 UK dealerships, as of 31 October 2026.
Overview
- Make
- BMW
- Model
- 3 Series
- Trim
- M Sport
- Version
- 2.0 320i M Sport Auto RWD Euro 6 (s/s) 4dr (181 bhp)
- Mileage
- 20,700 miles
- Year
- 2018
- Fuel type
- Petrol
- Body type
- Saloon
- Engine
- 2.0 L
- Gearbox
- Automatic
- Power
- 181 bhp
- Seats
- 5
- CO2
- 134 g/km
- Colour
- Orange
- Doors
- 4
- Driven wheels
- Rear Wheel Drive
- Engine badge
- 320i
- Emissions standard
- Euro 6
About this car
This 2018 BMW 3 Series M Sport has covered 20,700 miles, around 51,400 fewer miles than is typical for its age. The AskCar estimate for this car is £16,895. It is priced at £18,695, which is £1,800 above that estimate. The AskCar estimate uses 6,718 UK dealer adverts for the BMW 3 Series, with adjustments for age, mileage, trim, engine and other specifications. We have tracked this advert today. MOT records show an expiry date of 1 November 2027, and the latest recorded mileage is consistent with the advert. The seller is Sytner Stevenage BMW, based in Stevenage.
Stock data as of 31 October 2026.
Price history
AskCar first saw this advert on 31 October 2026.
| Date observed | Asking price |
|---|---|
| 31 October 2026 | £18,695 |
Price and mileage comparison
Above the going rate: £1,800 (10%) over the AskCar estimate of £16,895.
The AskCar estimate is our expected asking price for this car. It uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It is an advertised price, not a confirmed sale price.
It draws on 6,718 priced BMW 3 Series adverts across different ages and specifications, as of 31 October 2026.
Advertised mileage is about 51,400 miles lower than the median mileage of a 2018 BMW 3 Series on AskCar.
The advertised mileage is consistent with the last MOT reading.
MOT
MOT: valid until 1 November 2027. 20,618 miles at the last test.
Other matching cars
18 other 2018 BMW 3 Series M Sport automatic petrol cars are for sale at UK dealers from £10,378 to £28,990, as of 31 October 2026.
The 5 cheapest:
- 2018 BMW 3 Series. Price: £10,378. Mileage: 93,710 miles. Dealer: Shmmotors in London. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-53ab97324d24
- 2018 BMW 3 Series. Price: £10,500. Mileage: 90,000 miles. Dealer: Radley Motor Company in Birmingham. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-f89a9f803e65
- 2018 BMW 3 Series. Price: £10,790. Mileage: 92,612 miles. Dealer: Autotrade (Birmingham) in Birmingham. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-433f8283102e
- 2018 BMW 3 Series. Price: £10,795. Mileage: 89,920 miles. Dealer: Mcr Specialist Cars in Wotton-under-Edge. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-6001420eab54
- 2018 BMW 3 Series. Price: £10,850. Mileage: 85,988 miles. Dealer: Group 1 Assured Kings Lynn in King's Lynn. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-21d0ec16f6c1
Matching year, trim, gearbox and fuel does not mean matching mileage or every specification. The AskCar estimate adjusts for these differences.
Browse all BMW 3 Series cars for sale · 2018 BMW 3 Series price guide
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How to contact the dealer and its opening hours are on this AskCar page.
As of 31 October 2026, AskCar lists 583,548 cars and vans from 12,716 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.