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Mercedes SL Class VS Porsche Cayman – Specs, Efficiency & Price Comparison

Which model is the better choice – the Mercedes SL Class or the Porsche Cayman? We compare performance (816 HP vs 500 HP), boot capacity (213 L vs 184 L), efficiency (7.90 L vs 13 L), and of course, the price (112700 £ vs 136000 £).
Find out now which car fits your needs better!

The Mercedes SL Class (Roadster) is powered by a Petrol MHEV, Petrol or Plugin Hybrid engine and comes with a Automatic transmission. In comparison, the Porsche Cayman (Coupe) features a Petrol engine and a Automatic gearbox.

When it comes to boot capacity, the Mercedes SL Class offers 213 L, while the Porsche Cayman provides 184 L – depending on what matters most to you. If you’re looking for more power, you’ll need to decide whether the 816 HP of the Mercedes SL Class or the 500 HP of the Porsche Cayman suits your needs better.

There are also differences in efficiency: 7.90 L vs 13 L. In terms of price, the Mercedes SL Class starts at 112700 £, while the Porsche Cayman is available from 136000 £.

Compare all the key specs now and find out which model fits your lifestyle best!

Mercedes SL Class

The Mercedes-Benz SL-Class embodies a perfect fusion of performance and luxury, offering a driving experience that is both exhilarating and refined. Its sleek and aerodynamic design ensures a commanding presence on the road, while the sumptuous interior provides unparalleled comfort and cutting-edge technology. With a heritage of engineering excellence, this model stands as a testament to Mercedes-Benz's commitment to innovation and craftsmanship.

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Porsche Cayman

The Porsche Cayman stands out as a quintessential sports car, blending sleek design with dynamic handling. Its mid-engine layout provides an excellent balance and sharp agility that driving enthusiasts crave. Inside, the Cayman offers a refined and driver-focused interior, ensuring that every journey is an exhilarating experience.

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Mercedes SL Class
Porsche Cayman
SL Class

Costs and Consumption

Price
112700 - 199300 £
Price
136000 £
Consumption L/100km
7.9 - 13.1 L
Consumption L/100km
13 L
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
12 km
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
180 - 298 g/km
co2
295 g/km
Fuel tank capacity
70 L
Fuel tank capacity
54 L

Dimensions and Body

Body Type
Roadster
Body Type
Coupe
Seats
4
Seats
2
Doors
2
Doors
2
Curb weight
1810 - 2195 kg
Curb weight
1490 kg
Trunk capacity
110 - 213 L
Trunk capacity
184 L
Length
4700 - 4705 mm
Length
4456 mm
Width
1915 mm
Width
1822 mm
Height
1354 - 1359 mm
Height
1267 mm
Payload
325 - 375 kg
Payload
281 kg

Engine and Performance

Engine Type
Petrol MHEV, Petrol, Plugin Hybrid
Engine Type
Petrol
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Automatikgetriebe
Transmission Detail
Automat. Schaltgetriebe (Doppelkupplung)
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Drive Type
Rear-Wheel Drive
Power HP
381 - 816 HP
Power HP
500 HP
Acceleration 0-100km/h
2.9 - 4.9 s
Acceleration 0-100km/h
3.40 s
Max Speed
275 - 317 km/h
Max Speed
315 km/h
Torque
480 - 1420 Nm
Torque
450 Nm
Number of Cylinders
4 - 8
Number of Cylinders
6
Power kW
280 - 600 kW
Power kW
368 kW
Engine capacity
1991 - 3982 cm3
Engine capacity
3996 cm3

General

Model Year
2024
Model Year
2021
CO2 Efficiency Class
G
CO2 Efficiency Class
G
Brand
Mercedes-Benz
Brand
Porsche

Mercedes SL Class

Introducing the Mercedes-Benz SL-Class: A Modern Icon

The Mercedes-Benz SL-Class has long been synonymous with luxury and performance, capturing the imagination of car enthusiasts around the globe. The latest iteration continues this tradition, introducing a host of advanced technologies, refined design elements, and impressive performance capabilities.

A Look Under the Bonnet: Engine Specifications

The SL-Class showcases a range of powerful engines, designed to cater to both purists and those seeking the ultimate in speed. The available engines include a selection of petrol mild-hybrid, petrol, and pioneering plug-in hybrid options. Delivering between 381 and an astounding 816 PS, these engines offer unmatched versatility and performance for a roadster of this calibre.

The line-up's top-tier plug-in hybrid model is especially noteworthy, combining substantial power with an electric range of 13 km. This variant underscores Mercedes-Benz's commitment to merging traditional automotive prowess with future-facing innovation.

Driving Dynamics: Power Meets Precision

True to its legacy, the SL-Class offers a driving experience that blends power with precision. Featuring options for both rear-wheel and all-wheel drive configurations, the SL-Class ensures optimal traction and stability under various driving conditions. An advanced automatic transmission complements this, providing seamless gear transitions that enhance driving pleasure.

With a maximum speed ranging from 275 to 317 km/h and a swift 0-100 km/h acceleration time between 2.9 and 4.9 seconds, the SL-Class promises an exhilarating ride without compromising on luxury.

Technological Triumphs and Innovations

Mercedes-Benz has equipped the SL-Class with cutting-edge technologies. These include the MBUX infotainment system, which offers an intuitive control interface for navigation, entertainment, and vehicle settings. The inclusion of AI-driven features ensures that each drive is tailored to the driver’s preferences, enhancing convenience and comfort.

Safety is paramount in the SL-Class, with an array of driver-assistance technologies designed to protect and assist. From active brake assist to adaptive cruise control, each system is crafted to ensure maximum safety for both driver and passengers.

Exquisite Design: A Fusion of Elegance and Sportiness

The SL-Class is more than just a high-performance vehicle—it's a masterpiece of design. Its sleek silhouette and aerodynamic body lines exude elegance, while the luxurious interior offers unparalleled comfort. The craftsmanship is evident in every detail, from the quality of materials to the ergonomic layout of the driver’s cockpit.

The classic roadster proportions are enhanced by modern design touches, reflecting the storied history of the SL-Class while firmly placing it in the present. The result is a vehicle that is as pleasing to the eye as it is on the road.

Efficiency and Environmental Responsibility

Despite its powerful performance credentials, the SL-Class maintains a focus on efficiency. With fuel consumption figures ranging from 7.7 to 13.1 litres per 100 km, Mercedes-Benz demonstrates that performance and environmental responsibility can coexist.

The plug-in hybrid variant stands out, offering an efficient mode of travel that minimises CO2 emissions and maximises energy usage. This commitment to sustainability is a testament to Mercedes-Benz’s forward-thinking approach to automotive excellence.

A New Era for the Iconic Roadster

The Mercedes-Benz SL-Class represents a new era in automotive innovation, combining state-of-the-art technology and supreme performance with unmistakable style and luxury. As it continues to redefine what a modern roadster can be, the SL-Class remains a beacon of excellence and engineering prowess.

Porsche Cayman

The Porsche Cayman: A Masterclass in Precision Engineering

For decades, Porsche has been synonymous with precision, power, and unparalleled driving experience. The Porsche Cayman, particularly the newest iteration like the 718 Cayman GT4 RS, continues this legacy with a suite of cutting-edge technical features and exhilarating performance capabilities. Nestled in the sports car segment, this coupe has been engineered to provide an almost symbiotic relationship between car and driver.

Performance that Blazes a New Trail

The heart of the Cayman GT4 RS is a robust 4.0-liter naturally aspirated flat-six engine, pushing out an astounding 500 horsepower. This engine provides a visceral connection to the road, combined with a curiously addictive exhaust note that Porsche enthusiasts have come to love. With 450 Nm of torque, the acceleration feels unyielding, propelling the car from 0 to 100 km/h in a mere 3.4 seconds. Coupled with a PDK dual-clutch automatic transmission, each gear change feels precise and instantaneous, making it an exhilarating drive on both road and track.

Innovative Design Meets Functionality

The Porsche Cayman has always showcased a balance of aesthetic elegance and aerodynamic functionality. With a length of 4456 mm, width of 1822 mm, and a height of 1267 mm, the dimensions are tightly packed for optimal stability and agility. The coupe's 1490 kg curb weight contributes to its nimbleness, while the rear-wheel-drive configuration ensures a pure sports-car feel.

Efficiency Coupled with Performance

While performance is at the core of the Porsche ethos, efficiency hasn't been compromised. The Cayman GT4 RS has a fuel consumption rate of 13 L/100 km, striking an impressive balance between power and sustainability, although it maintains a CO2 efficiency class of G, indicative of its performance-oriented design.

Details that Make a Difference

Inside the cabin, the Cayman is fitted to perfection with a focus on the driver-centric experience. Despite its sporty DNA, it doesn't skimp on comfort—there's ample seating for two alongside a sizable trunk capacity of 184 liters, enhancing its practicality for weekend getaways.

Additionally, the car boasts a CO2 emission of 295 g/km and supports a payload of 281 kg, underscoring its utility without detracting from its core focus on high performance.

The Ultimate Driving Machine?

With a top speed of 315 km/h, the Cayman GT4 RS lives up to its billing as a track-bred sports car. The precision engineering, combined with innovative technological integrations, sets it apart from contemporaries in its class. While the sleek exterior exudes luxury, it's the engineering beneath that makes the Cayman an acme of what a modern sports coupe can achieve.

In the Porsche Cayman, enthusiasts meet a machine so finely tuned and so divinely balanced that it stands as a testament to the relentless pursuit of perfection—a masterpiece of modern automotive engineering.

The prices and data displayed are estimates based on German list prices and may vary by country. This information is not legally binding.