The Comparative Analysis :
Porsche Cayman S Black Edition PDK (11 - 12) vs. Mercedes CLS Coupé 450 4MATIC 9G-TRONIC (19 - ..)
€ 70,800

€ 70,900

€ 70,800
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 70,900
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The Porsche Cayman S is significantly smaller in every dimension. It's 64.1 cm shorter, 8.9 cm narrower and 12.9 cm lower than the Mercedes CLS Coupé 450.
Porsche Cayman S
Mercedes CLS Coupé 450
1306
1801
1978
1435
1890
2069
1801 mm
Width
1890 mm
1978 mm
Width Incl. Mirrors
2069 mm
1306 mm
Height
1435 mm
2415
4347
2939
4988
4347 mm
Length
4988 mm
2415 mm
Wheelbase
2939 mm
Vehicle Weight
Porsche Cayman S
Mercedes CLS Coupé 450
1450 kg
Kerb Weight
1940 kg
1675 kg
Gross Vehicle
Weight
Weight
2560 kg

Weight Difference:
490 kg
25.26 %

General
Porsche Cayman S
Mercedes CLS Coupé 450
987C
Generation
C257
Coupe
Car Body Style
Coupe
Super Unleaded (98 RON)
Fuel Type
Unleaded (95 RON)

Rear-wheel drive
Drive
Permanent all-wheel drive

7-speed dual clutch transmission
Transmission
9-speed automatic transmission
Engine
Porsche Cayman S
Mercedes CLS Coupé 450
6-cylinder boxer petrol engine (naturally aspirated engine)
Engine Type
6-cylinder mild hybrid petrol engine with turbocharger and electric driven compressor
Engine Series
Mercedes-Benz M 256
Engine Code
M 256.930

4
Valves
4
6
Cylinders
6
3436 CC
Engine Capacity
2999 CC
325 bhp
at 7400 rpm
Power
383 bhp
at 5500 rpm
Porsche Cayman S
325 bhp
383 bhp
Mercedes CLS Coupé 450
370 NM
at 4750 rpm
Max. Torque
500 NM
at 1600 rpm
Porsche Cayman S
370 NM
500 NM
Mercedes CLS Coupé 450
Performance
Porsche Cayman S
Mercedes CLS Coupé 450
172 mph
Maximum Speed
155 mph
5 sec
Acceleration 0 to 62 mph
4.8 sec
62 mph
62
mph
mph
69 m
0.000 sec

Porsche Cayman S
62 mph
62
mph
mph
67 m
0.000 sec

Mercedes CLS Coupé 450
▶ REPLAY
4.46 kg/bhp
Weight-to-Power Ratio
5.07 kg/bhp
Porsche Cayman S
4.46 kg/bhp
5.07 kg/bhp
Mercedes CLS Coupé 450
Fuel Economy / Emissions
Porsche Cayman S
Mercedes CLS Coupé 450
Fuel Economy
30 mpg
combined
36 mpg
Porsche Cayman S
30 mpg
36 mpg
Mercedes CLS Coupé 450
20 mpg
city
27 mpg
43 mpg
motorway
46 mpg
65 L
Fuel Tank Capacity
66 L
429 mi
Range
526 mi
Porsche Cayman S
429 mi
526 mi
Mercedes CLS Coupé 450
Environmental Impact
178.2 kWh
Total Energy Consumption
per 100 miles ⓘThe total energy consumption per 100 miles is the amount of energy consumed by a vehicle when burning fuel or using electricity per 100 miles (final energy), and the energy required to produce the appropriate amount of fuel or electricity (primary energy).
per 100 miles ⓘThe total energy consumption per 100 miles is the amount of energy consumed by a vehicle when burning fuel or using electricity per 100 miles (final energy), and the energy required to produce the appropriate amount of fuel or electricity (primary energy).
147.7 kWh
Porsche Cayman S
178.2 kWh
147.7 kWh
Mercedes CLS Coupé 450
Euro 5
Emission Standard
Euro 6d-TEMP-EVAP-ISC (WLTP) 36CH, 36CI, 36DG
221 g/km (NEFZ)
CO2 Emissions
189 g/km (WLTP)
Practical Convenience
Porsche Cayman S
Mercedes CLS Coupé 450
2
Doors
4
2
No. of Seats
5
225 kg
Maximum Payload
620 kg
410 L
Boot Capacity
520 L









No data
Boot Capacity (Seats Down)
No data