The Comparative Analysis :
Mercedes CLS Coupé 63 AMG 4MATIC SPEEDSHIFT MCT (14 - 17) vs. Porsche Cayman Tiptronic (06 - 09)
€ 120,800

€ 51,500

€ 120,800
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 51,500
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The Mercedes CLS Coupé 63 AMG is significantly bigger in every dimension. It's 62.6 cm longer, 8 cm wider and 12.6 cm taller than the Porsche Cayman.
Mercedes CLS Coupé 63 AMG
Porsche Cayman
1431
1881
2075
1305
1801
1978
1881 mm
Width
1801 mm
2075 mm
Width Incl. Mirrors
1978 mm
1431 mm
Height
1305 mm
2874
4967
2415
4341
4967 mm
Length
4341 mm
2874 mm
Wheelbase
2415 mm
Vehicle Weight
Mercedes CLS Coupé 63 AMG
Porsche Cayman
1945 kg
Kerb Weight
1435 kg
2415 kg
Gross Vehicle
Weight
Weight
1665 kg

Weight Difference:
510 kg
26.22 %

General
Mercedes CLS Coupé 63 AMG
Porsche Cayman
C218
Generation
987C
Coupe
Car Body Style
Coupe
Super Unleaded (98 RON)
Fuel Type
Super Unleaded (98 RON)

Permanent all-wheel drive
Drive
Rear-wheel drive

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

4
Valves
4
8
Cylinders
6
5461 CC
Engine Capacity
2687 CC
549 bhp
at 5250 rpm
Power
242 bhp
at 6500 rpm
Mercedes CLS Coupé 63 AMG
549 bhp
242 bhp
Porsche Cayman
720 NM
at 1750 rpm
Max. Torque
273 NM
at 4600 rpm
Mercedes CLS Coupé 63 AMG
720 NM
273 NM
Porsche Cayman
Performance
Mercedes CLS Coupé 63 AMG
Porsche Cayman
155 mph
Maximum Speed
157 mph
3.7 sec
Acceleration 0 to 62 mph
7 sec
62 mph
62
mph
mph
51 m
0.000 sec

Mercedes CLS Coupé 63 AMG
62 mph
62
mph
mph
97 m
0.000 sec

Porsche Cayman
▶ REPLAY
3.54 kg/bhp
Weight-to-Power Ratio
5.93 kg/bhp
Mercedes CLS Coupé 63 AMG
3.54 kg/bhp
5.93 kg/bhp
Porsche Cayman
Fuel Economy / Emissions
Mercedes CLS Coupé 63 AMG
Porsche Cayman
Fuel Economy
27 mpg
combined
27 mpg
Mercedes CLS Coupé 63 AMG
27 mpg
27 mpg
Porsche Cayman
20 mpg
city
19 mpg
35 mpg
motorway
37 mpg
66 L
Fuel Tank Capacity
64 L
398 mi
Range
386 mi
Mercedes CLS Coupé 63 AMG
398 mi
386 mi
Porsche Cayman
Environmental Impact
195.2 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).
195.2 kWh
Mercedes CLS Coupé 63 AMG
195.2 kWh
195.2 kWh
Porsche Cayman
Euro 6b (NEFZ)
Emission Standard
Euro 4
239 g/km (NEFZ)
CO2 Emissions
242 g/km (NEFZ)
Practical Convenience
Mercedes CLS Coupé 63 AMG
Porsche Cayman
4
Doors
2
4
No. of Seats
2
470 kg
Maximum Payload
230 kg
520 L
Boot Capacity
410 L









No data
Boot Capacity (Seats Down)
No data