2018 BMW 4 Series 2.0 420i Sport

Overview

• Make: BMW
• Model: 4 Series
• Trim: Sport
• Version: 2.0 420i Sport Auto RWD Euro 6 (s/s) 2dr (181 bhp)
• Year: 2018
• Mileage: 67,759 miles
• Fuel: Petrol
• Body: Convertible, 2 doors, 4 seats
• Engine: 2.0 litres, 181 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Blue
• CO2: 144 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 67,759 miles on the clock, this 2018 BMW 4 Series Sport has done roughly 4,700 more miles than a typical 2018 BMW 4 Series. Its asking price of £12,995 is £157 below the AskCar estimate of £13,152. The AskCar estimate draws on 1,816 BMW 4 Series adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first recorded this car for sale 30 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is advertised by Parkland Motors in Loughborough. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 8 November 2026.

How we estimate prices and check cars

Price

Fair price: £157 (1%) under the AskCar estimate of £13,152.

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 1,816 priced BMW 4 Series adverts across different ages and specifications, as of 8 November 2026.

A 2018 BMW 4 Series with the 2.0 petrol engine is typically advertised at £14,500: the median of the 120 for sale on AskCar, as of 8 November 2026.

Time on sale

This 2018 BMW 4 Series has been on sale for at least 30 days.

Price history

AskCar first saw this advert on 9 October 2026 at £12,995. Its asking price has not changed.

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 8 November 2026: valid until 27 January 2027.

It has had 6 MOTs. The latest, on 10 January 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 60,236 miles, which matches the advertised 67,759 miles.

Advertised mileage is about 4,700 miles higher than the median mileage of a 2018 BMW 4 Series on AskCar.

Similar cars

2 other 2018 BMW 4 Series Sport 2.0 petrol automatic convertibles are for sale at UK dealers, from £17,000 to £17,110, as of 8 November 2026.

The 2 closest to this car in mileage:

• 2018 BMW 4 Series Sport, 2.0 petrol convertible, black. Mileage: 31,178 miles. Price: £17,110, £4,115 more than this car. Dealer: Evans Halshaw Ford Milton Keynes in Milton Keynes. AskCar page: https://askcar.co.uk/car/bmw-4-series-2018-abcdf37b605f
• 2018 BMW 4 Series Sport, 2.0 petrol convertible, blue. Mileage: 29,486 miles. Price: £17,000, £4,005 more than this car. Dealer: A P Hynes And Co in Altrincham. AskCar page: https://askcar.co.uk/car/bmw-4-series-2018-6f38335bfd7f