Mercedes SL43 AMG used • 24 cars price-checked by AutoUncle
Market overview: Used Mercedes SL43 AMG prices typically range from £68,000 to £111,010, averaging £80,262 (according to fresh market data from December). The most popular Mercedes SL43 AMG variants right now are Premium Plus, Premium, AMG. We have identified 4 cars priced below the market. The average selling time for used Mercedes SL43 AMG is currently 15 days.
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How much does the Mercedes SL43 AMG depreciate?
Used Mercedes SL43 AMG
A used Mercedes SL43 AMG (2023) model gains about £7 per month in value.
Factors that affect the appreciation of a Mercedes SL43 AMG:
- Mileage
- Age of the vehicle
- Number of previous owners
- Accidents or damage history
- Trim level, equipment, and options
Appreciation is an important part of calculating the total value of owning a Mercedes SL43 AMG. In addition to the monthly appreciation of £7, you should also factor in fuel costs, road tax, insurance and maintenance (including tyres and car washes) to get the full monthly value.
How much does a used Mercedes SL43 AMG cost? Prices, ratings and depreciation by model year
Model year | Price range* | Avg. Price | Depreciation | Cars for sale |
|---|---|---|---|---|
2025 Mercedes SL43 AMG | £79,980 - £113,410 | £100,021 | -£11,160 | < 10 |
2024 Mercedes SL43 AMG | £72,495 - £100,410 | £83,669 | -£16,720 | < 10 |
2023 Mercedes SL43 AMG | £66,000 - £78,990 | £71,612 | +£80 | 12 |
*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: 6 December 2025
Comparison of Mercedes SL43 AMG variants and prices
Below you can compare prices and depreciation for the 3 most popular Mercedes SL43 AMG variants. The table is updated daily with data from the market in United Kingdom.
Variant | Price range* | Avg. Price | Depreciation | Cars for sale |
|---|---|---|---|---|
Mercedes SL43 AMG Premium | £71,990 - £100,410 | £82,269 | -£15,900 | < 10 |
Mercedes SL43 AMG Premium Plus | £66,000 - £113,410 | £80,246 | -£28,320 | 15 |
*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: 6 December 2025
Which variant should you choose?
💰 The budget choice
The AMG is the cheapest entry point with an average price of £70,980.
🏆 The most popular
There are the most Premium Plus for sale right now (15), which gives you the most options to choose from.
📈 The best value
The Premium has held its price stable with minimal loss in value over the past year (-£15,900).
Mercedes SL43 AMG (model year 2023) - Price development for the last 7 months and price projection for the next 6 months (May 2025 - May 2026)
Month | Average market price | Lowest market price | Highest market price | Calculation method |
|---|---|---|---|---|
| 2025 - May | £71,320 | £68,960 | £73,680 | Estimate |
| 2025 - June | £71,740↗ | £69,580 | £73,900 | Estimate |
| 2025 - July | £72,160↗ | £70,200 | £74,100 | Estimate |
| 2025 - August | £72,560↗ | £70,820 | £74,320 | Estimate |
| 2025 - September | £72,980↗ | £71,440 | £74,540 | Estimate |
| 2025 - October | £72,200↘ | £70,420 | £73,980 | Estimate |
| 2025 - November | £71,400↘ | £69,380 | £73,420 | Estimate |
| 2026 - January | £71,260↘ | - | - | Forecast |
| 2026 - February | £71,180↘ | - | - | Forecast |
| 2026 - March | £71,120↘ | - | - | Forecast |
| 2026 - April | £71,060↘ | - | - | Forecast |
| 2026 - May | £70,980↘ | - | - | Forecast |
All estimates and forecasts are based on actual market data
Last updated: 6 December 2025
Average Monthly Depreciation
A summary of the past 12 and an estimation of the next 6 months.
Past 12 months
£80
Next 6 months
-£420
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Thinking about buying a used Mercedes SL43 AMG?
Are you thinking of purchasing a used sports car? Then the Mercedes SL43 AMG is a great choice. AutoUncle has 19 used Mercedes SL43 AMGs for sale in the UK sourced from various dealership websites and online marketplaces.
What is the price of a used Mercedes SL43 AMG?
Currently, the prices for a pre-owned Mercedes SL43 AMG start at £67,500 and go up to £113,410.
The German car is valued at different prices based on primarily five factors: production year, engine size and performance, fuel economy, how many miles the car has travelled not to mention the level of equipment in the car.
For instance, a car that is newer and has fewer miles on the clock will typically command a higher price. In the same vein, models at the higher end, replete with luxurious features or more robust engines, generally come with a more substantial price tag than, for example, an older model with more kilometres driven or with a lower equipment level.
Does the Mercedes SL43 AMG offer multiple trim lines?
The most popular equipment variants for the Mercedes SL43 AMG are:
- Mercedes SL43 AMG Premium Plus: Right now you will find 10 cars for sale at an average price of £84,700
- Mercedes SL43 AMG Premium: Here you will find 6 cars for sale at an average price of £87,876
- Mercedes SL43 AMG AMG: 1 car for sale at an average price of £71,980
In order to find the best sale price, it is important that you exclusively compare with the prices of cars with the same equipment variant and engine size. Otherwise, you could reach a wrong decision on which car to acquire.
What fuel configurations can I choose from for the Mercedes SL43 AMG?
The principal fuel kind for a Mercedes SL43 AMG is petrol.
Price difference between the most popular fuel options for Mercedes SL43 AMG:
- Mercedes SL43 AMG petrol: 18 cars currently available with an average price of £84,737
- Mercedes SL43 AMG plug-in hybrid: 1 car currently available with an average price of £77,950
It's highly recommended to reflect on your driving patterns before making a decision on the fuel type. On a regular week, how far do you drive? Do you engage in many brief trips, or are your drives generally longer in distance?
For short journeys, electric cars, plug-in hybrids or petrol cars are obvious choices. If you have a daily commute over longer distances, a modern electric car can be a great choice - especially if you have access to charging 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 diesel engines with high emissions are prohibited from entering cities in various countries.
What kind of car is the Mercedes SL43 AMG?
The Mercedes SL43 AMG only exists in the cabriolet body type in the UK. Cabrios and convertibles give the driving experience a new dimension. Thanks to their excellent hoods and weather gear, most models are fit for year-round use these days. Thickener is applied underneath the car to strengthen the chassis in lieu of a roof, which means that convertibles have a tendency to be heavier than normal cars.
What other cars offer some of the same features as the Mercedes SL43 AMG?
Several vehicles that are similar to the Mercedes SL43 AMG are available.
Alternative cars to the Mercedes SL43 AMG
- BMW 420
- Audi TT
- Mazda MX5
The top competitor to the Mercedes SL43 AMG is the BMW 420. There are 1,733 of this car for sale in the UK right now and the average selling price is £17,750.
Another popular choice in this class is the Audi TT with 1,042 cars on the market and an average price tag of £13,990. Another good choice for an alternative car is the Mazda MX5 with 689 cars for sale for the average price of £14,695.
Reflecting on the move to an electrically powered car?
Considering something greener than the Mercedes SL43 AMG? Check out these electric alternatives from the same segment::
Still searching for the ideal electric vehicle? See all our available electric cars here.