2020 BMW 4 Series 2.0 420i
Price: £17,980. Fair price: £1,200 (6%) under the AskCar estimate of £19,180, our expected asking price for this car from its model, age, mileage and specification, drawing on 1,826 priced BMW 4 Series adverts on AskCar as of 6 November 2026.
AskCar lists 1,876 used BMW 4 Series from 1,072 UK dealerships, as of 6 November 2026.
Overview
- Make: BMW
- Model: 4 Series
- Version: 2.0 420i Euro 6 2dr (181 bhp)
- Year: 2020
- Mileage: 37,000 miles
- Fuel: Petrol
- Body: Coupe, 2 doors, 4 seats
- Engine: 2.0 litres, 181 bhp
- Colour: Black
- CO2: 156 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
This 2020 BMW 4 Series is advertised with 37,000 miles, approximately 6,100 below the typical mileage for its age. The AskCar estimate for this car is £19,180. It is priced at £17,980, which is £1,200 below that estimate. The AskCar estimate uses 1,826 UK dealer adverts for the BMW 4 Series, with adjustments for age, mileage, trim, engine and other specifications. It first appeared in our advert records 48 days ago. We checked its advertised mileage against the government's MOT record, and they match. It is advertised by Albury Motor Co in Guildford. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 6 November 2026.
Price
Fair price: £1,200 (6%) under the AskCar estimate of £19,180.
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 1,826 priced BMW 4 Series adverts across different ages and specifications, as of 6 November 2026.
A 2020 BMW 4 Series with the 2.0 petrol engine is typically advertised at £19,400: the median of the 38 for sale on AskCar, as of 6 November 2026.
Time on sale
This 2020 BMW 4 Series has been on sale for at least 48 days.
Price history
AskCar first saw this advert on 19 September 2026 at £17,980. 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 6 November 2026: valid until 14 September 2027.
It has had 6 MOTs. The latest, on 15 September 2026, passed.
Advisories at the latest test: front brake pad(s) wearing thin worn close to the wear indicator.
Mileage at that test: 37,011 miles, which matches the advertised 37,000 miles.
Advertised mileage is about 6,100 miles lower than the median mileage of a 2020 BMW 4 Series on AskCar.
Browse all BMW 4 Series cars for sale · 2020 BMW 4 Series price guide
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Photos
45 photos of this car are on its AskCar page.
As of 6 November 2026, AskCar lists 598,752 cars and vans from 12,905 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.