The Comparative Analysis :
Mercedes CLS Coupé 350 BlueTEC 4MATIC 7G-TRONIC PLUS (13 - 14) vs. Porsche Cayman PDK (09 - 12)
€ 67,900

€ 53,700

€ 67,900
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 53,700
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The Mercedes CLS Coupé 350 BlueTEC is significantly bigger in every dimension. It's 59.3 cm longer, 8 cm wider and 11.2 cm taller than the Porsche Cayman.
Mercedes CLS Coupé 350 BlueTEC
Porsche Cayman
1416
1881
2075
1304
1801
1978
1881 mm
Width
1801 mm
2075 mm
Width Incl. Mirrors
1978 mm
1416 mm
Height
1304 mm
2874
4940
2415
4347
4940 mm
Length
4347 mm
2874 mm
Wheelbase
2415 mm
Vehicle Weight
Mercedes CLS Coupé 350 BlueTEC
Porsche Cayman
1935 kg
Kerb Weight
1435 kg
2420 kg
Gross Vehicle
Weight
Weight
1670 kg

Weight Difference:
500 kg
25.84 %

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

Permanent all-wheel drive
Drive
Rear-wheel drive

7-speed automatic transmission
Transmission
7-speed dual clutch transmission
Engine
Mercedes CLS Coupé 350 BlueTEC
Porsche Cayman
V6 diesel engine with turbocharger
Engine Type
6-cylinder boxer petrol engine (naturally aspirated engine)
Mercedes-Benz OM 642
Engine Series
OM 642.858
Engine Code

4
Valves
4
6
Cylinders
6
2987 CC
Engine Capacity
2893 CC
249 bhp
at 3600 rpm
Power
261 bhp
at 7200 rpm
Mercedes CLS Coupé 350 BlueTEC
249 bhp
261 bhp
Porsche Cayman
620 NM
at 1600 rpm
Max. Torque
300 NM
at 4400 rpm
Mercedes CLS Coupé 350 BlueTEC
620 NM
300 NM
Porsche Cayman
Performance
Mercedes CLS Coupé 350 BlueTEC
Porsche Cayman
155 mph
Maximum Speed
163 mph
6.7 sec
Acceleration 0 to 62 mph
5.7 sec
62 mph
62
mph
mph
93 m
0.000 sec

Mercedes CLS Coupé 350 BlueTEC
62 mph
62
mph
mph
79 m
0.000 sec

Porsche Cayman
▶ REPLAY
7.77 kg/bhp
Weight-to-Power Ratio
5.5 kg/bhp
Mercedes CLS Coupé 350 BlueTEC
7.77 kg/bhp
5.5 kg/bhp
Porsche Cayman
Fuel Economy / Emissions
Mercedes CLS Coupé 350 BlueTEC
Porsche Cayman
Fuel Economy
46 mpg
combined
31 mpg
Mercedes CLS Coupé 350 BlueTEC
46 mpg
31 mpg
Porsche Cayman
39 mpg
city
21 mpg
53 mpg
motorway
43 mpg
59 L
Fuel Tank Capacity
65 L
601 mi
Range
444 mi
Mercedes CLS Coupé 350 BlueTEC
601 mi
444 mi
Porsche Cayman
Environmental Impact
125.5 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).
172.4 kWh
Mercedes CLS Coupé 350 BlueTEC
125.5 kWh
172.4 kWh
Porsche Cayman
Euro 6b (NEFZ)
Emission Standard
Euro 5
160 g/km (NEFZ)
CO2 Emissions
214 g/km (NEFZ)
Practical Convenience
Mercedes CLS Coupé 350 BlueTEC
Porsche Cayman
4
Doors
2
4
No. of Seats
2
485 kg
Maximum Payload
235 kg
520 L
Boot Capacity
410 L









No data
Boot Capacity (Seats Down)
No data