2021 BMW 4 Series Gran Coupe 2.0 420i

Overview

• Make: BMW
• Model: 4 Series Gran Coupe
• Version: 2.0 420i Auto 4WD Euro 6 5dr (181 bhp)
• Year: 2021
• Mileage: 95,775 miles
• Fuel: Petrol
• Body: Coupe, 5 doors, 5 seats
• Engine: 2.0 litres, 181 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Grey
• CO2: 178 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 BMW 4 Series Gran Coupe has covered 95,775 miles, around 47,800 more miles than is typical for its age. Priced at £12,495, this car is advertised £4,230 below the AskCar estimate of £16,725. This is a large price difference, so check the price and vehicle details with the dealer. The AskCar estimate draws on 1,183 BMW 4 Series Gran Coupe adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We have tracked this advert for 10 days. The government's MOT record matches its advertised mileage. You can find this car at Switch Car Group in Liverpool. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 6 November 2026.

How we estimate prices and check cars

Price

Far below the going rate: £4,230 (25%) under the AskCar estimate of £16,725. Worth asking the dealer why.

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 1,183 priced BMW 4 Series Gran Coupe adverts across different ages and specifications, as of 6 November 2026.

A 2021 BMW 4 Series Gran Coupe with the 2.0 petrol engine is typically advertised at £23,800: the median of the 23 for sale on AskCar, as of 6 November 2026.

Time on sale

This 2021 BMW 4 Series Gran Coupe has been on sale for at least 10 days.

Price history

AskCar first saw this advert on 27 October 2026 at £12,495. Its asking price has not changed.

Price changes recorded:

• 27 October 2026: £12,495
• 28 October 2026: £12,195
• 5 November 2026: £12,495

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 6 November 2026: valid until 5 May 2027.

It failed its MOT on 5 May 2026 (offside front track rod end ball joint has excessive play; nearside rear tyre has ply or cords damaged; offside rear tyre tread depth below requirements of 1.6mm) and passed 1 day later, on 6 May 2026.

There were no advisories at the latest test.

Mileage at that test: 91,102 miles, which matches the advertised 95,775 miles.

Advertised mileage is about 47,800 miles higher than the median mileage of a 2021 BMW 4 Series Gran Coupe on AskCar.