2023 BMW 4 Series Gran Coupe

2.0 420i M Sport Auto RWD Euro 6 5dr Step (181 bhp)

£28,500

Fair price: within 8% of the typical £29,704 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 M Sport Auto RWD Euro 6 5dr Step (181 bhp)
Mileage
19,085 miles
Year
2023
Fuel type
Petrol
Body type
Coupe
Engine
2.0 L
Gearbox
Automatic
Power
181 bhp
Seats
5
CO2
152 g/km
Colour
Grey
Doors
5
Driven wheels
Rear Wheel Drive
Engine badge
420i
Emissions standard
Euro 6

About this car

At 19,085 miles, this 2023 BMW 4 Series Gran Coupe M Sport has covered about 10,300 fewer miles than other 2023 BMW 4 Series Gran Coupe cars. Our estimated market asking price is £29,704. This car is advertised at £28,500, which is £1,204 below that figure. To estimate its market asking price, we analyse UK dealer adverts for 1,138 BMW 4 Series Gran Coupe cars across different ages and specifications. We first saw this car advertised 38 days ago. Its asking price has since fallen by £1,000. The latest MOT record shows an expiry date of 1 September 2027, with the advertised mileage consistent with the recorded reading. You can find this car at Sytner Chigwell BMW in Loughton.

Stock data from 23 October 2026.

How we estimate prices and check cars

Price history

First seen on 17 September 2026, 38 days ago. Advert duration calculated on 25 October 2026. Net asking-price reduction: £1,000 from the first recorded £29,500. 1 price reduction recorded, the latest observed on 17 October 2026.

Recorded asking prices
Date observedAsking price
17 September 2026£29,500
17 October 2026£28,500
23 October 2026£28,500

Price and mileage comparison

Estimated market asking price: £29,704. The asking price is £1,204 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 10,300 miles lower than typical for a 2023 BMW 4 Series Gran Coupe.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 1 September 2027. 19,064 miles at the last test.

51 other cars with the same year, trim, gearbox and fuel are for sale from £23,340 to £33,498.

Other matching cars (up to five, cheapest first)
Asking priceMileage
£23,34034,673 miles
£23,99566,907 miles
£24,00046,203 miles
£24,29064,533 miles
£25,19044,740 miles

These cars have covered 11,380–66,907 miles, compared with 19,085 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 · 2023 BMW 4 Series Gran Coupe price guide

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