The Comparative Analysis :
Porsche Cayman S PDK (13 - 16) vs. Mercedes CLS Coupé 63 AMG Performance Plus SPEEDSHIFT MCT (11 - 13)
€ 66,900

€ 123,900

€ 66,900
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 123,900
ⓘ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 56 cm shorter, 8 cm narrower and 12.1 cm lower than the Mercedes CLS Coupé 63 AMG Performance Plus.
Porsche Cayman S
Mercedes CLS Coupé 63 AMG Performance Plus
1295
1801
1978
1416
1881
2075
1801 mm
Width
1881 mm
1978 mm
Width Incl. Mirrors
2075 mm
1295 mm
Height
1416 mm
2475
4380
2874
4940
4380 mm
Length
4940 mm
2475 mm
Wheelbase
2874 mm
Vehicle Weight
Porsche Cayman S
Mercedes CLS Coupé 63 AMG Performance Plus
1425 kg
Kerb Weight
1870 kg
1695 kg
Gross Vehicle
Weight
Weight
2390 kg

Weight Difference:
445 kg
23.8 %

General
Porsche Cayman S
Mercedes CLS Coupé 63 AMG Performance Plus
981C
Generation
C218
Coupe
Car Body Style
Coupe
Super Unleaded (98 RON)
Fuel Type
Super Unleaded (98 RON)

Rear-wheel drive
Drive
Rear-wheel drive

7-speed dual clutch transmission
Transmission
7-speed automatic transmission
Engine
Porsche Cayman S
Mercedes CLS Coupé 63 AMG Performance Plus
6-cylinder boxer petrol engine (naturally aspirated engine)
Engine Type
V8 petrol engine with two turbochargers (biturbo)
Engine Series
Mercedes-Benz M 157
Engine Code
M 157.981

4
Valves
4
6
Cylinders
8
3436 CC
Engine Capacity
5461 CC
321 bhp
at 7400 rpm
Power
549 bhp
at 5250 rpm
Porsche Cayman S
321 bhp
549 bhp
Mercedes CLS Coupé 63 AMG Performance Plus
370 NM
at 4500 rpm
Max. Torque
720 NM
at 1750 rpm
Porsche Cayman S
370 NM
720 NM
Mercedes CLS Coupé 63 AMG Performance Plus
Performance
Porsche Cayman S
Mercedes CLS Coupé 63 AMG Performance Plus
175 mph
Maximum Speed
155 mph
4.9 sec
Acceleration 0 to 62 mph
4.2 sec
62 mph
62
mph
mph
68 m
0.000 sec

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

Mercedes CLS Coupé 63 AMG Performance Plus
▶ REPLAY
4.44 kg/bhp
Weight-to-Power Ratio
3.41 kg/bhp
Porsche Cayman S
4.44 kg/bhp
3.41 kg/bhp
Mercedes CLS Coupé 63 AMG Performance Plus
Fuel Economy / Emissions
Porsche Cayman S
Mercedes CLS Coupé 63 AMG Performance Plus
Fuel Economy
35 mpg
combined
29 mpg
Porsche Cayman S
35 mpg
29 mpg
Mercedes CLS Coupé 63 AMG Performance Plus
25 mpg
city
20 mpg
46 mpg
motorway
37 mpg
64 L
Fuel Tank Capacity
66 L
497 mi
Range
414 mi
Porsche Cayman S
497 mi
414 mi
Mercedes CLS Coupé 63 AMG Performance Plus
Environmental Impact
151.6 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).
187.5 kWh
Porsche Cayman S
151.6 kWh
187.5 kWh
Mercedes CLS Coupé 63 AMG Performance Plus
Euro 5 / Euro 6
Emission Standard
Euro 5
188 g/km (NEFZ)
CO2 Emissions
231 g/km (NEFZ)
Practical Convenience
Porsche Cayman S
Mercedes CLS Coupé 63 AMG Performance Plus
2
Doors
4
2
No. of Seats
4
270 kg
Maximum Payload
520 kg
334 L
Boot Capacity
520 L









No data
Boot Capacity (Seats Down)
No data