The Comparative Analysis :
Mercedes CLS Coupé 63 AMG 4MATIC SPEEDSHIFT MCT (14 - 17) vs. Porsche Cayman PDK (13 - 16)
€ 120,800

€ 54,200

€ 120,800
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 54,200
ⓘ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 23.1 inches longer, 3.1 inches wider and 5.4 inches taller than the Porsche Cayman.
Mercedes CLS Coupé 63 AMG
Porsche Cayman
56.3
74.1
81.7
50.9
70.9
77.9
74.1 in
Width
70.9 in
81.7 in
Width Incl. Mirrors
77.9 in
56.3 in
Height
50.9 in
113.1
195.6
97.4
172.4
195.6 in
Length
172.4 in
113.1 in
Wheelbase
97.4 in
Vehicle Weight
Mercedes CLS Coupé 63 AMG
Porsche Cayman
4288 lb
Curb Weight
3120 lb
5324 lb
Gross Vehicle
Weight
Weight
3715 lb

Weight Difference:
1168 lb
27.24 %

General
Mercedes CLS Coupé 63 AMG
Porsche Cayman
C218
Generation
981C
Coupe
Car Body Style
Coupe
Premium Unleaded
Fuel Type
Premium Unleaded

Permanent all-wheel drive (AWD)
Drivetrain
Rear-wheel drive

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

4
Valves
4
8
Cylinders
6
5.5 L / 269 cu in
Displacement
2.7 L / 132 cu in
549 hp
at 5250 rpm
Power
271 hp
at 7400 rpm
Mercedes CLS Coupé 63 AMG
549 hp
271 hp
Porsche Cayman
531 lb‑ft
at 1750 rpm
Max. Torque
214 lb‑ft
at 4500 rpm
Mercedes CLS Coupé 63 AMG
531 lb‑ft
214 lb‑ft
Porsche Cayman
Performance
Mercedes CLS Coupé 63 AMG
Porsche Cayman
155 mph
Maximum Speed
164 mph
3.7 sec
Acceleration 0 to 62 mph
5.6 sec
62 mph
62
mph
mph
167 ft
0.000 sec

Mercedes CLS Coupé 63 AMG
62 mph
62
mph
mph
256 ft
0.000 sec

Porsche Cayman
▶ REPLAY
7.81 lb/hp
Weight-to-Power Ratio
11.51 lb/hp
Mercedes CLS Coupé 63 AMG
7.81 lb/hp
11.51 lb/hp
Porsche Cayman
Fuel Economy / Emissions
Mercedes CLS Coupé 63 AMG
Porsche Cayman
Fuel Economy
23 mpg
combined
31 mpg
Mercedes CLS Coupé 63 AMG
23 mpg
31 mpg
Porsche Cayman
16 mpg
city
22 mpg
29 mpg
highway
40 mpg
17.4 gal
Fuel Tank Capacity
16.9 gal
398 mi
Range
516 mi
Mercedes CLS Coupé 63 AMG
398 mi
516 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).
145.8 kWh
Mercedes CLS Coupé 63 AMG
195.2 kWh
145.8 kWh
Porsche Cayman
Euro 6b (NEFZ)
Emission Standard
Euro 5 / Euro 6
385 g/mi (NEFZ)
CO2 Emissions
290 g/mi (NEFZ)
Practical Convenience
Mercedes CLS Coupé 63 AMG
Porsche Cayman
4
Doors
2
4
No. of Seats
2
1036 lb
Maximum Payload
595 lb
14.7 cu ft
Trunk Volume
9.5 cu ft









No data
Cargo Volume (Seats Down)
No data