The Comparative Analysis :
Porsche Cayman S PDK (09 - 12) vs. Mercedes CLS Coupé 350 CDI 7G-TRONIC PLUS (10 - 14)
€ 65,500

€ 63,700

€ 65,500
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 63,700
ⓘ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 59.3 cm shorter, 8 cm narrower and 11 cm lower than the Mercedes CLS Coupé 350 CDI.
Porsche Cayman S
Mercedes CLS Coupé 350 CDI
1306
1801
1978
1416
1881
2075
1801 mm
Width
1881 mm
1978 mm
Width Incl. Mirrors
2075 mm
1306 mm
Height
1416 mm
2415
4347
2874
4940
4347 mm
Length
4940 mm
2415 mm
Wheelbase
2874 mm
Vehicle Weight
Porsche Cayman S
Mercedes CLS Coupé 350 CDI
1450 kg
Kerb Weight
1815 kg
1675 kg
Gross Vehicle
Weight
Weight
2300 kg

Weight Difference:
365 kg
20.11 %

General
Porsche Cayman S
Mercedes CLS Coupé 350 CDI
987C
Generation
C218
Coupe
Car Body Style
Coupe
Super Unleaded (98 RON)
Fuel Type
Diesel

Rear-wheel drive
Drive
Rear-wheel drive

7-speed dual clutch transmission
Transmission
7-speed automatic transmission
Engine
Porsche Cayman S
Mercedes CLS Coupé 350 CDI
6-cylinder boxer petrol engine (naturally aspirated engine)
Engine Type
V6 diesel engine with turbocharger
Engine Series
Mercedes-Benz OM 642
Engine Code
OM 642.853

4
Valves
4
6
Cylinders
6
3436 CC
Engine Capacity
2987 CC
316 bhp
at 7200 rpm
Power
261 bhp
at 3800 rpm
Porsche Cayman S
316 bhp
261 bhp
Mercedes CLS Coupé 350 CDI
370 NM
at 4750 rpm
Max. Torque
620 NM
at 1600 rpm
Porsche Cayman S
370 NM
620 NM
Mercedes CLS Coupé 350 CDI
Performance
Porsche Cayman S
Mercedes CLS Coupé 350 CDI
171 mph
Maximum Speed
155 mph
5.1 sec
Acceleration 0 to 62 mph
6.2 sec
62 mph
62
mph
mph
71 m
0.000 sec

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

Mercedes CLS Coupé 350 CDI
▶ REPLAY
4.59 kg/bhp
Weight-to-Power Ratio
6.95 kg/bhp
Porsche Cayman S
4.59 kg/bhp
6.95 kg/bhp
Mercedes CLS Coupé 350 CDI
Fuel Economy / Emissions
Porsche Cayman S
Mercedes CLS Coupé 350 CDI
Fuel Economy
30 mpg
combined
47 mpg
Porsche Cayman S
30 mpg
47 mpg
Mercedes CLS Coupé 350 CDI
20 mpg
city
36 mpg
43 mpg
motorway
56 mpg
65 L
Fuel Tank Capacity
59 L
429 mi
Range
611 mi
Porsche Cayman S
429 mi
611 mi
Mercedes CLS Coupé 350 CDI
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).
123.4 kWh
Porsche Cayman S
178.2 kWh
123.4 kWh
Mercedes CLS Coupé 350 CDI
Euro 5
Emission Standard
Euro 5
221 g/km (NEFZ)
CO2 Emissions
159 g/km (NEFZ)
Practical Convenience
Porsche Cayman S
Mercedes CLS Coupé 350 CDI
2
Doors
4
2
No. of Seats
4
225 kg
Maximum Payload
485 kg
410 L
Boot Capacity
520 L









No data
Boot Capacity (Seats Down)
No data