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Used (2020) BMW 420 M Sport | Super price
4 Series i M Sport 2dr Auto
- 2020
- 30,000 miles
- Trim level: M Sport
- 2.0L Petrol
- Cabriolet
- Automatic
- Details
Super price
£20,990
Motors.co.uk
RH12 3JP Rudgwick, West Sussex
BMW 420 in Horsham • 4 cars with AutoUncle Valuation
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Used (2022) BMW 420 M Sport 190 HP | Fair price
4 Series d xDrive M Sport Coupe
- 2022
- 56,331 miles
- Trim level: M Sport
- 2.0L Diesel
- Coupe
- Automatic
- 190 HP (139 kW)
- CO2 emissions: 131 g CO2/km comb.
- 54.3 mpg
- Details
Fair price
£25,370
£25,495
RH10 1TN West Sussex, West Sussex
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Used (2014) BMW 420 Luxury Line | Fair price
4 Series i Luxury 2dr
- 2014
- 20,000 miles
- Trim level: Luxury Line
- 2.0L Petrol
- Cabriolet
- Manual
- 42 mpg
- Details
Fair price
£12,990
Parkers.co.uk
RH12 3JP Rudgwick, West Sussex
Bmw.co.uk
RH10 1TN West Sussex, West Sussex
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Showing 1 - 4 of 4 results
How much does a used BMW 420 cost? Prices, ratings and depreciation by model year
Model year | Price range* | Avg. Price | Median Mileage | Depreciation | Cars for sale |
|---|---|---|---|---|---|
2025 BMW 420 | £34,822 - £52,064 | £41,516 | 5,000 miles | -£2,500 | 75 |
2026 BMW 420 | £23,845 - £52,750 | £41,006 | 2,700 miles | -£3,960 | 134 |
2024 BMW 420 | £28,700 - £41,092 | £34,967 | 13,000 miles | -£4,220 | 39 |
2023 BMW 420 | £25,481 - £35,595 | £30,549 | 18,300 miles | -£1,280 | 83 |
2022 BMW 420 | £22,699 - £30,343 | £26,712 | 31,500 miles | -£2,140 | 146 |
2021 BMW 420 | £14,040 - £31,000 | £23,984 | 43,100 miles | -£2,340 | 102 |
2020 BMW 420 | £11,735 - £22,498 | £16,719 | 57,800 miles | -£1,460 | 95 |
2019 BMW 420 | £11,299 - £19,799 | £15,441 | 62,400 miles | -£1,360 | 123 |
2018 BMW 420 | £10,817 - £17,756 | £14,437 | 66,100 miles | -£560 | 144 |
2017 BMW 420 | £7,995 - £15,991 | £12,374 | 78,700 miles | -£1,060 | 117 |
2016 BMW 420 | £6,933 - £14,867 | £10,843 | 88,100 miles | -£1,100 | 108 |
2015 BMW 420 | £6,184 - £13,995 | £9,667 | 92,000 miles | -£1,460 | 97 |
2014 BMW 420 | £5,942 - £12,882 | £8,892 | 97,100 miles | -£740 | 69 |
2013 BMW 420 | £6,610 - £10,655 | £8,461 | 81,400 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: 13 July 2026
Comparison of BMW 420 variants and prices
Below you can compare prices and depreciation for the 5 most popular BMW 420 variants. The table is updated daily with data from the market in United Kingdom.
Variant | Price range* | Avg. Price | Median Mileage | Depreciation | Cars for sale |
|---|---|---|---|---|---|
🏆 The most popular BMW 420 M Sport | £8,463 - £46,509 | £22,581 | 46,800 miles | -£680 | 1,208 |
📈 The best value BMW 420 Comfort Edition | £5,897 - £16,099 | £10,219 | 84,500 miles | -£300 | 11 |
BMW 420 Sport Line | £5,995 - £15,892 | £10,165 | 81,500 miles | -£1,400 | 68 |
BMW 420 Luxury Line | £5,433 - £13,483 | £9,808 | 77,000 miles | -£480 | 31 |
💰 The budget choice BMW 420 Performance | £6,119 - £12,480 | £8,786 | 110,000 miles | - | < 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: 13 July 2026
Which variant should you choose?
💰 The budget choice
The Performance is the cheapest entry point with an average price of £8,786.
Accuracy will improve as more cars from this variant become available
🏆 The most popular
There are the most M Sport for sale right now (1208), which gives you the most options to choose from.
📈 The best value
The Comfort Edition has held its price stable with minimal loss in value over the past year (-£300).
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See BMW 420
- BMW 420 (1000+)