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4 Series i M Sport 5dr Step
Good price
Parkers.co.uk
4 Series I M Sport 5Dr Step
Good price
Motors.co.uk
4 Series Gran Coupe i M Sport 5dr
Super price
Honestjohn
4 Series i M Sport Coupe 2.0
Good price
Bmw.co.uk
Featured deals
4 Series i M Sport Coupe 2.0
Good price
Bmw.co.uk
4 Series i M Sport 5dr Step
Good price
Honestjohn
4 Series SERIES i M Sport 2dr Step
Super price
Honestjohn
4 Series 2.0 i M Sport Coupe 2dr
Super price
Honestjohn
4 Series i xDrive M Sport Coupe
Good price
Bmw.co.uk
4 Series i M Sport Coupe 2.0
Good price
Bmw.co.uk
Featured deals
4 Series 2.0 i M Sport Coupe 2dr
Good price
Bmw.co.uk
Bmw.co.uk
4 Series 2.0 i M Sport Coupe 2dr
Super price
Exchange and Mart
4 Series i xDrive M Sport Coupe
Fair price
Bmw.co.uk
Bmw.co.uk
4 Series i M Sport Coupe 2.0
Fair price
Bmw.co.uk
4 Series i M Sport Coupe 2.0
Fair price
Bmw.co.uk
4 Series i M Sport Coupe 2.0
Fair price
Bmw.co.uk
4 Series I 2.0 M SPORT COUPE
Fair price
Motors.co.uk
Bmw.co.uk
Featured deals
4 Series Gran Coupe 2.0 i M Sport
A bit pricey
Motors.co.uk
4 Series i M Sport 2dr Step
A bit pricey
Motors.co.uk
4 Series i M Sport 5dr Step
A bit pricey
Motors.co.uk
4 Series Gran Coupe i M Sport 5dr
Expensive
Buyacar
Featured deals
Model year | Price range* | Avg. Price | Median Mileage | Depreciation | Cars for sale |
|---|---|---|---|---|---|
2025 BMW 420 | £34,870 - £52,021 | £41,710 | 5,000 miles | -£2,500 | 76 |
2026 BMW 420 | £23,962 - £53,940 | £40,543 | 3,500 miles | -£3,960 | 142 |
2024 BMW 420 | £28,969 - £41,914 | £35,676 | 12,100 miles | -£4,220 | 42 |
2023 BMW 420 | £25,496 - £34,925 | £30,411 | 19,000 miles | -£1,280 | 86 |
2022 BMW 420 | £22,913 - £30,980 | £26,919 | 30,700 miles | -£2,140 | 134 |
2021 BMW 420 | £13,879 - £30,796 | £23,531 | 43,500 miles | -£2,340 | 106 |
2020 BMW 420 | £10,764 - £22,371 | £16,085 | 61,400 miles | -£1,460 | 96 |
2019 BMW 420 | £11,417 - £18,996 | £15,367 | 63,200 miles | -£1,360 | 114 |
2018 BMW 420 | £10,786 - £17,785 | £14,422 | 66,100 miles | -£560 | 152 |
2017 BMW 420 | £7,905 - £15,995 | £12,419 | 74,000 miles | -£1,060 | 115 |
2016 BMW 420 | £6,795 - £14,517 | £10,765 | 89,000 miles | -£1,100 | 106 |
2015 BMW 420 | £5,903 - £13,995 | £9,360 | 95,000 miles | -£1,460 | 97 |
2014 BMW 420 | £5,947 - £12,825 | £8,894 | 95,700 miles | -£740 | 68 |
2013 BMW 420 | £6,810 - £10,655 | £8,331 | 91,600 miles | -£740 | < 10 |
*The 'Price range' column shows the prices at the 5th and 95th percentiles of cars in the current market
The data is based on the cars currently listed on AutoUncle
Last updated: 7 July 2026
Variant | Price range* | Avg. Price | Median Mileage | Depreciation | Cars for sale |
|---|---|---|---|---|---|
🏆 The most popular BMW 420 M Sport | £8,423 - £47,185 | £22,613 | 47,300 miles | -£680 | 1,229 |
📈 The best value BMW 420 Comfort Edition | £5,996 - £21,799 | £11,609 | 84,500 miles | -£300 | 13 |
BMW 420 Sport Line | £5,995 - £16,136 | £10,442 | 81,000 miles | -£1,400 | 70 |
💰 The budget choice BMW 420 Luxury Line | £5,433 - £12,950 | £9,515 | 80,400 miles | -£480 | 31 |
*The 'Price range' column shows the prices at the 5th and 95th percentiles of cars in the current market
The data is based on the cars currently listed on AutoUncle
Last updated: 7 July 2026
The Luxury Line is the cheapest entry point with an average price of £9,515.
There are the most M Sport for sale right now (1229), which gives you the most options to choose from.
The Comfort Edition has held its price stable with minimal loss in value over the past year (-£300).
Price checked by AutoUncle
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