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: £16,395. Fair price: £189 (1%) under the AskCar estimate of £16,584, our expected asking price for this car from its model, age, mileage and specification, drawing on 6,652 priced BMW 3 Series adverts on AskCar as of 1 November 2026.
AskCar lists 6,914 used BMW 3 Series from 2,613 UK dealerships, as of 1 November 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
- 24,604 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
- Silver
- Doors
- 4
- Driven wheels
- Rear Wheel Drive
- Engine badge
- 320i
- Emissions standard
- Euro 6
About this car
With 24,604 miles on the clock, this 2018 BMW 3 Series M Sport has done roughly 48,000 fewer miles than a typical 2018 BMW 3 Series. Its asking price of £16,395 is £189 below the AskCar estimate of £16,584. The AskCar estimate uses UK dealer asking prices, including 6,652 BMW 3 Series adverts, and accounts for the car’s age, mileage and specification. This car was first seen in our listings data today. MOT records show an expiry date of 16 September 2027, and the latest recorded mileage is consistent with the advert. The seller is Group 1 Reading BMW, based in Reading.
Stock data as of 1 November 2026.
Price history
AskCar first saw this advert on 1 November 2026.
| Date observed | Asking price |
|---|---|
| 1 November 2026 | £16,395 |
Price and mileage comparison
Fair price: £189 (1%) under the AskCar estimate of £16,584.
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 6,652 priced BMW 3 Series adverts across different ages and specifications, as of 1 November 2026.
Advertised mileage is about 48,000 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 16 September 2027. 24,331 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 1 November 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: 89,000 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
More like this
- Used BMW 3 Series for sale under £20,000
- Used automatic BMW 3 Series for sale
- Used petrol BMW 3 Series for sale
- Used BMW 3 Series for sale near Reading
Photos
1 photo of this car is on its AskCar page.
How to contact the dealer and its opening hours are on this AskCar page.
As of 1 November 2026, AskCar lists 578,994 cars and vans from 12,654 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.