The Comparative Analysis :
Mercedes CLS Coupé 300 d 9G-TRONIC (18 - ..) vs. Porsche Cayman S Sport (08 - 09)
€ 60,600

€ 69,900

€ 60,600
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 69,900
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The Mercedes CLS Coupé 300 d is significantly bigger in every dimension. It's 64.7 cm longer, 8.9 cm wider and 13.9 cm taller than the Porsche Cayman S.
Mercedes CLS Coupé 300 d
Porsche Cayman S
1435
1890
2069
1296
1801
1978
1890 mm
Width
1801 mm
2069 mm
Width Incl. Mirrors
1978 mm
1435 mm
Height
1296 mm
2939
4988
2415
4341
4988 mm
Length
4341 mm
2939 mm
Wheelbase
2415 mm
Vehicle Weight
Mercedes CLS Coupé 300 d
Porsche Cayman S
1825 kg
Kerb Weight
1415 kg
2445 kg
Gross Vehicle
Weight
Weight
1630 kg

Weight Difference:
410 kg
22.47 %

General
Mercedes CLS Coupé 300 d
Porsche Cayman S
C257
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 300 d
Porsche Cayman S
Straight-four diesel engine with two turbochargers (biturbo)
Engine Type
6-cylinder boxer petrol engine (naturally aspirated engine)
Mercedes-Benz OM 654
Engine Series
OM 654.920
Engine Code

4
Valves
4
4
Cylinders
6
1950 CC
Engine Capacity
3387 CC
242 bhp
at 4600 rpm
Power
299 bhp
at 6250 rpm
Mercedes CLS Coupé 300 d
242 bhp
299 bhp
Porsche Cayman S
500 NM
at 1600 rpm
Max. Torque
340 NM
at 4400 rpm
Mercedes CLS Coupé 300 d
500 NM
340 NM
Porsche Cayman S
Performance
Mercedes CLS Coupé 300 d
Porsche Cayman S
155 mph
Maximum Speed
171 mph
6.4 sec
Acceleration 0 to 62 mph
5.4 sec
62 mph
62
mph
mph
89 m
0.000 sec

Mercedes CLS Coupé 300 d
62 mph
62
mph
mph
75 m
0.000 sec

Porsche Cayman S
▶ REPLAY
7.54 kg/bhp
Weight-to-Power Ratio
4.73 kg/bhp
Mercedes CLS Coupé 300 d
7.54 kg/bhp
4.73 kg/bhp
Porsche Cayman S
Fuel Economy / Emissions
Mercedes CLS Coupé 300 d
Porsche Cayman S
Fuel Economy
53 mpg
combined
27 mpg
Mercedes CLS Coupé 300 d
53 mpg
27 mpg
Porsche Cayman S
43 mpg
city
18 mpg
63 mpg
motorway
36 mpg
50 L
Fuel Tank Capacity
64 L
586 mi
Range
375 mi
Mercedes CLS Coupé 300 d
586 mi
375 mi
Porsche Cayman S
Environmental Impact
109.1 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).
200.8 kWh
Mercedes CLS Coupé 300 d
109.1 kWh
200.8 kWh
Porsche Cayman S
Euro 6d-TEMP
Emission Standard
Euro 4
158 g/km (WLTP)
CO2 Emissions
254 g/km (NEFZ)
Practical Convenience
Mercedes CLS Coupé 300 d
Porsche Cayman S
4
Doors
2
5
No. of Seats
2
620 kg
Maximum Payload
215 kg
520 L
Boot Capacity
410 L









No data
Boot Capacity (Seats Down)
No data