2021 BMW 4 Series

2.0 420i M Sport Auto RWD Euro 6 2dr Step (181 bhp)

£29,300

Fair price: within 8% of the typical £27,323 for this model, age and mileage, drawing on 1,736 adverts of this make and model.

Overview

Make
BMW
Model
4 Series
Trim
M SPORT
Version
2.0 420i M Sport Auto RWD Euro 6 2dr Step (181 bhp)
Mileage
17,141 miles
Year
2021
Fuel type
Petrol
Body type
Convertible
Engine
2.0 L
Gearbox
Automatic
Power
181 bhp
Seats
4
CO2
154 g/km
Colour
Grey
Doors
2
Driven wheels
Rear Wheel Drive
Engine badge
420i
Emissions standard
Euro 6

About this car

This 2021 BMW 4 Series M Sport has covered 17,141 miles, around 25,300 fewer than typical for its age. At £29,300, it is advertised £1,977 above our estimated market asking price of £27,323. Our estimate draws on 1,736 BMW 4 Series adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We have tracked this advert for 1 day. Its recorded MOT is valid until 21 October 2027, and its advertised mileage is consistent with the latest MOT reading. The seller is Vertu BMW Exeter, based in Exeter.

Stock data from 29 October 2026.

How we estimate prices and check cars

Price history

First seen on 29 October 2026, 1 days ago. Advert duration calculated on 30 October 2026.

Recorded asking prices
Date observedAsking price
29 October 2026£29,300

Price and mileage comparison

Estimated market asking price: £27,323. The asking price is £1,977 above 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 1,736 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 25,300 miles lower than typical for a 2021 BMW 4 Series.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 21 October 2027. 17,141 miles at the last test.

78 other cars with the same year, trim, gearbox and fuel are for sale from £16,995 to £33,950.

Other matching cars (up to five, cheapest first)
Asking priceMileage
£16,99596,000 miles
£17,49056,431 miles
£18,99097,313 miles
£19,90077,199 miles
£19,95070,584 miles

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 cars for sale · 2021 BMW 4 Series price guide

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