Used (2025) BMW 420 Gran Coupé M Sport 181 HP | Good price
4 Series Gran Coupe i M Sport 2.0
- 2025
- 7,950 miles
- Trim level: M Sport
- 2.0L Petrol
- Coupe
- Automatic
- 181 HP (133 kW)
- CO2 emissions: 154 g CO2/km comb.
- mpg: 41.5
- Details
Good price
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4 Series Gran Coupe i M Sport 2.0
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4 Series Gran Coupe i M Sport 2.0
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4 Series Gran Coupe i M Sport 2.0
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4 Series Gran Coupe i M Sport 2.0
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Used BMW 420 Gran Coupé
Factors that affect the depreciation of a BMW 420 Gran Coupé:
- Mileage driven
- Maintenance
- Service history
Depreciation is an important part of calculating the total cost of owning a BMW 420 Gran Coupé. In addition to the monthly depreciation of £397, you should also factor in fuel costs, road tax, insurance and maintenance (including tyres and car washes) to get the full monthly cost.
Model year | Price range* | Avg. Price | Median Mileage | Depreciation | Cars for sale |
|---|---|---|---|---|---|
2025 BMW 420 Gran Coupé | £34,948 - £41,900 | £38,070 | 6,400 miles | -£4,760 | 127 |
2024 BMW 420 Gran Coupé | £31,790 - £37,500 | £34,409 | 12,200 miles | -£4,380 | 14 |
2023 BMW 420 Gran Coupé | £27,499 - £33,799 | £30,458 | 21,000 miles | -£4,040 | 31 |
2022 BMW 420 Gran Coupé | £26,000 - £31,990 | £28,621 | 26,600 miles | -£1,620 | 47 |
2021 BMW 420 Gran Coupé | £17,242 - £31,000 | £25,616 | 35,600 miles | - | < 10 |
2020 BMW 420 Gran Coupé | £16,100 - £22,961 | £19,256 | 38,100 miles | -£1,160 | 13 |
2019 BMW 420 Gran Coupé | £12,995 - £20,500 | £17,515 | 47,100 miles | -£200 | 15 |
2017 BMW 420 Gran Coupé | £8,994 - £18,990 | £14,740 | 65,800 miles | - | 10 |
2018 BMW 420 Gran Coupé | £10,490 - £18,750 | £14,610 | 57,500 miles | -£2,920 | 14 |
2016 BMW 420 Gran Coupé | £8,781 - £13,995 | £11,053 | 86,000 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: 23 March 2026
Variant | Price range* | Avg. Price | Median Mileage | Depreciation | Cars for sale |
|---|---|---|---|---|---|
🏆 The most popular BMW 420 Gran Coupé M Sport | £14,811 - £39,995 | £31,182 | 13,200 miles | +£3,740 | 275 |
💰 The budget choice BMW 420 Gran Coupé Sport Line | £9,390 - £15,500 | £13,276 | 81,000 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: 23 March 2026
The Sport Line is the cheapest entry point with an average price of £13,276.
Accuracy will improve as more cars from this variant become available
There are the most M Sport for sale right now (275), which gives you the most options to choose from.
The M Sport has held its price stable with minimal loss in value over the past year (+£3,740).
Month | Average market price | Lowest market price | Highest market price | Calculation method |
|---|---|---|---|---|
| 2025 - May | £42,920 | £41,380 | £44,460 | Estimate |
| 2025 - June | £42,540↘ | £40,900 | £44,200 | Estimate |
| 2025 - July | £41,900↘ | £40,380 | £43,440 | Estimate |
| 2025 - August | £41,180↘ | £39,860 | £42,520 | Estimate |
| 2025 - September | £40,620↘ | £39,260 | £42,000 | Estimate |
| 2025 - October | £39,640↘ | £38,120 | £41,160 | Estimate |
| 2025 - November | £38,700↘ | £37,060 | £40,360 | Estimate |
| 2025 - December | £38,200↘ | £36,460 | £39,960 | Estimate |
| 2026 - January | £38,340↗ | £36,560 | £40,100 | Estimate |
| 2026 - February | £38,160↘ | £36,700 | £39,620 | Estimate |
| 2026 - April | £37,180↘ | - | - | Forecast |
| 2026 - May | £36,680↘ | - | - | Forecast |
| 2026 - June | £36,180↘ | - | - | Forecast |
| 2026 - July | £35,700↘ | - | - | Forecast |
| 2026 - August | £35,200↘ | - | - | Forecast |
All estimates and forecasts are based on actual market data
Last updated: 23 March 2026
Average Monthly Depreciation
A summary of the past 12 and an estimation of the next 6 months.
Past 12 months
-£4,760
Next 6 months
-£2,960
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Are you interested in buying a used sports car? The BMW 420 Gran Coupé is a solid choice. AutoUncle present 292 options sourced from numerous dealership websites and online marketplaces.
The pricing range for a used BMW 420 Gran Coupé model at AutoUncle will start at £14,495 and go up to £40,990.
The used car price for the German car is determined by five primary factors: the year of manufacturing, engine size and performance, the car's fuel consumption, how many miles the car has travelled not to mention the equipment level of the car.
For example, a younger car with fewer miles on the odometer typically costs more. Likewise, models at the premium end with luxurious features or potent engines tend to come with a more substantial price tag than, for example, an older model with more kilometres driven or with a lower equipment level.
In order to find the best sale price, it is important that you only compare with the prices of cars with the same engine and trim level. Otherwise, you might make a wrong decision on which car to purchase.
The most popular fuel type for the BMW 420 Gran Coupé is petrol.
Fuel options for BMW 420 Gran Coupé:
We emphasize the importance of considering your driving habits before opting for a particular fuel type. Do you generally drive in city conditions or on open highways and motorways? What is your average weekly mileage count?
For shorter trips, electric cars, plug-in hybrids and petrol cars are great. For longer commutes, an electric car is often the best choice - especially with charging options at home or at work. For longer daily commutes, a modern electric car is often suitable - especially if you can charge at home or at work. Diesel cars may still be relevant in some cases with very long journeys and lack of charging options. Remember that in some places, high-emission diesel engines are not allowed in urban areas.
The BMW 420 Gran Coupé is only available in the coupe body type in the UK. The coupe as a body type prioritises style and sporty driving. Compared to a sedan or an SUV, the chassis tends to be tighter and stronger. This body type is mostly for people without children, who usually travel light. This style is often more expensive than equivalent sedan or hatchback sister models.
The BMW 420 Gran Coupé is a somewhat popular car within its segment but still it has some competitors.
Well-liked options instead of the BMW 420 Gran Coupé
A popular alternative to the BMW 420 Gran Coupé is the BMW 420. Currently there are 1,491 BMW 420 for sale in the UK with an average sales price of £18,198.
Another alternative car is the Audi TT with 949 cars listed for sale featuring an average selling price of £13,199. Another recommended alternative is Mazda MX5 with 556 cars for sale an average price tag of £15,000.
If you're in the market for an electric vehicle in the same category as the BMW 420 Gran Coupé, these are some potential options:
Still on the hunt for the right electric car? Explore our entire assortment of electric cars here.