2020 BMW 4 Series Gran Coupe

2.0 420i GPF M Sport Auto 4WD Euro 6 (s/s) 5dr (181 bhp)

£18,400

Good value: £1,603 under the typical £20,003 for this model, age and mileage, drawing on 1,138 adverts of this make and model.

Overview

Make
BMW
Model
4 Series Gran Coupe
Trim
M SPORT
Version
2.0 420i GPF M Sport Auto 4WD Euro 6 (s/s) 5dr (181 bhp)
Mileage
28,868 miles
Year
2020
Fuel type
Petrol
Body type
Hatchback
Engine
2.0 L
Gearbox
Automatic
Power
181 bhp
Seats
5
CO2
150 g/km
Colour
Black
Doors
5
Driven wheels
Four Wheel Drive
Engine badge
420i
Emissions standard
Euro 6

About this car

With 28,868 miles on the clock, this 2020 BMW 4 Series Gran Coupe M Sport has done roughly 27,100 fewer miles than a typical 2020 BMW 4 Series Gran Coupe. At £18,400, it is advertised £1,603 below our estimated market asking price of £20,003. Our estimate draws on 1,138 BMW 4 Series Gran Coupe adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. The asking price is now £1,650 lower than when we first recorded the advert 53 days ago. Its MOT is recorded as valid until 16 February 2027. The advertised mileage is consistent with the latest MOT reading. It is for sale at Car Planet Watford in Rickmansworth.

Stock data from 23 October 2026.

How we estimate prices and check cars

Price history

First seen on 2 September 2026, 53 days ago. Advert duration calculated on 25 October 2026. Net asking-price reduction: £1,650 from the first recorded £20,050. 6 price reductions recorded, the latest observed on 19 October 2026.

Recorded asking prices
Date observedAsking price
2 September 2026£20,050
15 September 2026£19,750
22 September 2026£19,450
28 September 2026£19,150
4 October 2026£18,850
12 October 2026£18,600
19 October 2026£18,400
23 October 2026£18,400

Price and mileage comparison

Estimated market asking price: £20,003. The asking price is £1,603 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 1,138 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 27,100 miles lower than typical for a 2020 BMW 4 Series Gran Coupe.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 16 February 2027. 24,645 miles at the last test.

24 other cars with the same year, trim, gearbox and fuel are for sale from £11,495 to £25,980.

Other matching cars (up to five, cheapest first)
Asking priceMileage
£11,49549,648 miles
£12,500101,540 miles
£13,99972,462 miles
£14,48867,576 miles
£14,59070,000 miles

These cars have covered 20,680–101,540 miles, compared with 28,868 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 4 Series Gran Coupe cars for sale · 2020 BMW 4 Series Gran Coupe price guide

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