The Comparative Analysis :
Mercedes CLS Coupé 350 BlueTEC 9G-TRONIC (14 - 15) vs. Porsche Cayman R (11 - 12)
€ 61,900

€ 69,800

€ 61,900
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 69,800
ⓘ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 cm longer, 8 cm wider and 13.2 cm taller than the Porsche Cayman R.
Mercedes CLS Coupé 350 BlueTEC
Porsche Cayman R
1418
1881
2075
1286
1801
1978
1881 mm
Width
1801 mm
2075 mm
Width Incl. Mirrors
1978 mm
1418 mm
Height
1286 mm
2874
4937
2415
4347
4937 mm
Length
4347 mm
2874 mm
Wheelbase
2415 mm
Vehicle Weight
Mercedes CLS Coupé 350 BlueTEC
Porsche Cayman R
1845 kg
Kerb Weight
1370 kg
2330 kg
Gross Vehicle
Weight
Weight
1620 kg

Weight Difference:
475 kg
25.75 %

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

Rear-wheel drive
Drive
Rear-wheel drive

9-speed automatic transmission
Transmission
6-speed manual transmission
Engine
Mercedes CLS Coupé 350 BlueTEC
Porsche Cayman R
V6 diesel engine with turbocharger
Engine Type
6-cylinder boxer petrol engine (naturally aspirated engine)
Mercedes-Benz OM 642
Engine Series
OM 642.852
Engine Code

4
Valves
4
6
Cylinders
6
2987 CC
Engine Capacity
3436 CC
254 bhp
at 3600 rpm
Power
325 bhp
at 7400 rpm
Mercedes CLS Coupé 350 BlueTEC
254 bhp
325 bhp
Porsche Cayman R
620 NM
at 1600 rpm
Max. Torque
370 NM
at 4750 rpm
Mercedes CLS Coupé 350 BlueTEC
620 NM
370 NM
Porsche Cayman R
Performance
Mercedes CLS Coupé 350 BlueTEC
Porsche Cayman R
155 mph
Maximum Speed
175 mph
6.5 sec
Acceleration 0 to 62 mph
5 sec
62 mph
62
mph
mph
90 m
0.000 sec

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

Porsche Cayman R
▶ REPLAY
7.26 kg/bhp
Weight-to-Power Ratio
4.22 kg/bhp
Mercedes CLS Coupé 350 BlueTEC
7.26 kg/bhp
4.22 kg/bhp
Porsche Cayman R
Fuel Economy / Emissions
Mercedes CLS Coupé 350 BlueTEC
Porsche Cayman R
Fuel Economy
52 mpg
combined
29 mpg
Mercedes CLS Coupé 350 BlueTEC
52 mpg
29 mpg
Porsche Cayman R
44 mpg
city
20 mpg
59 mpg
motorway
40 mpg
59 L
Fuel Tank Capacity
54 L
679 mi
Range
346 mi
Mercedes CLS Coupé 350 BlueTEC
679 mi
346 mi
Porsche Cayman R
Environmental Impact
111 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).
183.8 kWh
Mercedes CLS Coupé 350 BlueTEC
111 kWh
183.8 kWh
Porsche Cayman R
Euro 6b (NEFZ)
Emission Standard
Euro 5
140 g/km (NEFZ)
CO2 Emissions
228 g/km (NEFZ)
Practical Convenience
Mercedes CLS Coupé 350 BlueTEC
Porsche Cayman R
4
Doors
2
4
No. of Seats
2
485 kg
Maximum Payload
250 kg
475 L
Boot Capacity
410 L









No data
Boot Capacity (Seats Down)
No data