The Comparative Analysis :
Mercedes CLS Coupé 350 BlueTEC 7G-TRONIC PLUS (13 - 14) vs. Porsche Cayman (09 - 12)
€ 65,200

€ 50,800

€ 65,200
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 50,800
ⓘ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 23.3 inches longer, 3.1 inches wider and 4.4 inches taller than the Porsche Cayman.
Mercedes CLS Coupé 350 BlueTEC
Porsche Cayman
55.7
74.1
81.7
51.3
70.9
77.9
74.1 in
Width
70.9 in
81.7 in
Width Incl. Mirrors
77.9 in
55.7 in
Height
51.3 in
113.1
194.5
95.1
171.1
194.5 in
Length
171.1 in
113.1 in
Wheelbase
95.1 in
Vehicle Weight
Mercedes CLS Coupé 350 BlueTEC
Porsche Cayman
4068 lb
Curb Weight
3097 lb
5137 lb
Gross Vehicle
Weight
Weight
3605 lb

Weight Difference:
970 lb
23.85 %

General
Mercedes CLS Coupé 350 BlueTEC
Porsche Cayman
C218
Generation
987C
Coupe
Car Body Style
Coupe
Diesel
Fuel Type
Premium Unleaded

Rear-wheel drive
Drivetrain
Rear-wheel drive

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

4
Valves
4
6
Cylinders
6
3 L / 147 cu in
Displacement
2.9 L / 142 cu in
249 hp
at 3600 rpm
Power
261 hp
at 7200 rpm
Mercedes CLS Coupé 350 BlueTEC
249 hp
261 hp
Porsche Cayman
457 lb‑ft
at 1600 rpm
Max. Torque
221 lb‑ft
at 4400 rpm
Mercedes CLS Coupé 350 BlueTEC
457 lb‑ft
221 lb‑ft
Porsche Cayman
Performance
Mercedes CLS Coupé 350 BlueTEC
Porsche Cayman
155 mph
Maximum Speed
165 mph
6.6 sec
Acceleration 0 to 62 mph
5.8 sec
62 mph
62
mph
mph
302 ft
0.000 sec

Mercedes CLS Coupé 350 BlueTEC
62 mph
62
mph
mph
266 ft
0.000 sec

Porsche Cayman
▶ REPLAY
16.34 lb/hp
Weight-to-Power Ratio
11.87 lb/hp
Mercedes CLS Coupé 350 BlueTEC
16.34 lb/hp
11.87 lb/hp
Porsche Cayman
Fuel Economy / Emissions
Mercedes CLS Coupé 350 BlueTEC
Porsche Cayman
Fuel Economy
43 mpg
combined
25 mpg
Mercedes CLS Coupé 350 BlueTEC
43 mpg
25 mpg
Porsche Cayman
35 mpg
city
17 mpg
50 mpg
highway
34 mpg
15.6 gal
Fuel Tank Capacity
17.2 gal
667 mi
Range
429 mi
Mercedes CLS Coupé 350 BlueTEC
667 mi
429 mi
Porsche Cayman
Environmental Impact
113.1 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).
178.2 kWh
Mercedes CLS Coupé 350 BlueTEC
113.1 kWh
178.2 kWh
Porsche Cayman
Euro 6b (NEFZ)
Emission Standard
Euro 5
232 g/mi (NEFZ)
CO2 Emissions
356 g/mi (NEFZ)
Practical Convenience
Mercedes CLS Coupé 350 BlueTEC
Porsche Cayman
4
Doors
2
4
No. of Seats
2
1069 lb
Maximum Payload
507 lb
14.7 cu ft
Trunk Volume
11.6 cu ft









No data
Cargo Volume (Seats Down)
No data