-2%
1 /
4
Used (2021) BMW 420 M Sport | Good price
4 Series d M Sport Mhev Auto
- 2021
- 43,000 miles
- Trim level: M Sport
- 2.0L Diesel
- Coupe
- Automatic
- Details
Good price
£23,490
£23,990
Exchange and Mart
Lincolnshire, Lincolnshire
BMW 420 in Horncastle • 13 cars with AutoUncle Valuation
Average sales data
Avg. price
£24,158
Cars found
13
Depreciation
-
Avg. sale time
38 days
Price checked by AutoUncle
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Become a verified dealer
Price checked by AutoUncle
Super price
Good price
Fair price
A bit pricey
Expensive
-2%
1 /
4
Used (2021) BMW 420 M Sport | Super price
4 Series i M Sport Auto Coupe
- 2021
- 15,000 miles
- Trim level: M Sport
- 2.0L Petrol
- Coupe
- Automatic
- Details
Super price
£23,590
£24,250
Exchange and Mart
Lincolnshire, Lincolnshire
-2%
1 /
4
Used (2021) BMW 420 M Sport | Super price
4 Series d Xdrive M Sport
- 2021
- 38,000 miles
- Trim level: M Sport
- 2.0L Diesel
- Coupe
- Automatic
- Details
Super price
£23,490
£23,990
Exchange and Mart
Lincolnshire, Lincolnshire
-1%
1 /
4
Used (2022) BMW 420 M Sport | Super price
4 Series i M Sport Auto Coupe
- 2022
- 30,700 miles
- Trim level: M Sport
- 2.0L Petrol
- Coupe
- Automatic
- Details
Super price
£24,490
£24,980
Exchange and Mart
Lincolnshire, Lincolnshire
Featured deals
Verified Dealers
New
1 /
4
Used (2023) BMW 420 M Sport | Super price
4 Series i M Sport Auto Coupe
- 2023
- 35,600 miles
- Trim level: M Sport
- 2.0L Petrol
- Coupe
- Automatic
- Details
Super price
£25,990
Exchange and Mart
Lincolnshire, Lincolnshire
New
Used (2021) BMW 420 M Sport | Good price
4 Series d Xdrive M Sport Mhev
- 2021
- 53,200 miles
- Trim level: M Sport
- 2.0L Diesel
- Coupe
- Automatic
- Details
Good price
£22,490
Exchange and Mart
Lincolnshire, Lincolnshire
-1%
1 /
4
Used (2021) BMW 420 M Sport | Fair price
4 Series i M Sport Auto Coupe
- 2021
- 37,200 miles
- Trim level: M Sport
- 2.0L Petrol
- Coupe
- Automatic
- Details
Fair price
£24,990
£25,490
Exchange and Mart
Lincolnshire, Lincolnshire
-2%
1 /
4
Used (2022) BMW 420 M Sport | Fair price
4 Series i M Sport Auto Coupe
- 2022
- 53,400 miles
- Trim level: M Sport
- 2.0L Petrol
- Coupe
- Automatic
- Details
Fair price
£23,990
£24,490
Exchange and Mart
Lincolnshire, Lincolnshire
New
1 /
4
Used (2022) BMW 420 M Sport | Fair price
4 Series i M Sport Auto Coupe
- 2022
- 25,400 miles
- Trim level: M Sport
- 2.0L Petrol
- Coupe
- Automatic
- Details
Fair price
£27,590
Exchange and Mart
Lincolnshire, Lincolnshire
New
1 /
4
Used (2021) BMW 420 M Sport | Fair price
4 Series i M Sport Auto Conver
- 2021
- 36,600 miles
- Trim level: M Sport
- 2.0L Petrol
- Cabriolet
- Automatic
- Details
Fair price
£26,990
Exchange and Mart
Lincolnshire, Lincolnshire
Featured deals
Verified Dealers
New
Used (2021) BMW 420 M Sport | Fair price
4 Series i M Sport Auto Coupe
- 2021
- 37,000 miles
- Trim level: M Sport
- 2.0L Petrol
- Coupe
- Automatic
- Details
Fair price
£23,980
Exchange and Mart
Lincolnshire, Lincolnshire
New
1 /
4
Used (2018) BMW 420 M Sport | A bit pricey
4 Series i M Sport Convertible
- 2018
- 18,800 miles
- Trim level: M Sport
- 2.0L Petrol
- Cabriolet
- Automatic
- Details
A bit pricey
£19,990
Exchange and Mart
Lincolnshire, Lincolnshire
New
1 /
4
Used (2020) BMW 420 M Sport | A bit pricey
4 Series i M Sport Auto Coupe
- 2020
- 41,000 miles
- Trim level: M Sport
- 2.0L Petrol
- Coupe
- Automatic
- Details
A bit pricey
£22,990
Exchange and Mart
Lincolnshire, Lincolnshire
Featured deals
Verified Dealers
Showing 1 - 13 of 13 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 | £34,746 - £52,043 | £41,345 | 5,000 miles | -£2,500 | 76 |
2026 BMW 420 | £23,877 - £52,675 | £40,930 | 2,800 miles | -£3,960 | 135 |
2024 BMW 420 | £28,699 - £41,138 | £35,012 | 13,500 miles | -£4,220 | 39 |
2023 BMW 420 | £25,430 - £36,198 | £30,513 | 20,900 miles | -£1,280 | 80 |
2022 BMW 420 | £22,530 - £30,346 | £26,613 | 32,700 miles | -£2,140 | 148 |
2021 BMW 420 | £13,997 - £30,991 | £23,776 | 44,700 miles | -£2,340 | 102 |
2020 BMW 420 | £10,929 - £22,389 | £16,546 | 57,800 miles | -£1,460 | 94 |
2019 BMW 420 | £11,299 - £19,799 | £15,444 | 62,400 miles | -£1,360 | 122 |
2018 BMW 420 | £10,599 - £17,775 | £14,404 | 65,500 miles | -£560 | 142 |
2017 BMW 420 | £7,993 - £15,992 | £12,381 | 75,200 miles | -£1,060 | 114 |
2016 BMW 420 | £6,937 - £14,930 | £10,864 | 86,000 miles | -£1,100 | 109 |
2015 BMW 420 | £6,184 - £13,995 | £9,696 | 91,600 miles | -£1,460 | 99 |
2014 BMW 420 | £5,938 - £12,894 | £8,906 | 97,000 miles | -£740 | 70 |
2013 BMW 420 | £6,645 - £10,595 | £8,373 | 89,100 miles | -£740 | 11 |
*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: 15 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 | £8,339 - £46,322 | £22,441 | 47,500 miles | -£680 | 1,194 |
BMW 420 Sport Line | £5,995 - £15,892 | £10,219 | 79,600 miles | -£1,400 | 69 |
📈 The best value BMW 420 Comfort Edition | £5,897 - £16,099 | £10,219 | 84,500 miles | -£300 | 11 |
BMW 420 Luxury Line | £5,386 - £12,972 | £9,661 | 79,000 miles | -£480 | 30 |
💰 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: 15 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 (1194), 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).
Price checked by AutoUncle
Super price
Good price
Fair price
A bit pricey
Expensive
See BMW 420
- BMW 420 (1000+)