The Comparative Analysis :
Mercedes CLS Coupé 350 EQ Boost 9G-TRONIC (18 - 19) vs. Porsche Cayman PDK (13 - 16)
€ 63,500

€ 54,200

€ 63,500
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 350 EQ Boost is significantly bigger in every dimension. It's 60.8 cm longer, 8.9 cm wider and 14.1 cm taller than the Porsche Cayman.
Mercedes CLS Coupé 350 EQ Boost
Porsche Cayman
1435
1890
2069
1294
1801
1978
1890 mm
Width
1801 mm
2069 mm
Width Incl. Mirrors
1978 mm
1435 mm
Height
1294 mm
2939
4988
2475
4380
4988 mm
Length
4380 mm
2939 mm
Wheelbase
2475 mm
Vehicle Weight
Mercedes CLS Coupé 350 EQ Boost
Porsche Cayman
1775 kg
Kerb Weight
1415 kg
2420 kg
Gross Vehicle
Weight
Weight
1685 kg

Weight Difference:
360 kg
20.28 %

General
Mercedes CLS Coupé 350 EQ Boost
Porsche Cayman
C257
Generation
981C
Coupe
Car Body Style
Coupe
Unleaded (95 RON)
Fuel Type
Super Unleaded (98 RON)

Rear-wheel drive
Drive
Rear-wheel drive

9-speed automatic transmission
Transmission
7-speed dual clutch transmission
Engine
Mercedes CLS Coupé 350 EQ Boost
Porsche Cayman
4-cylinder mild hybrid petrol engine with turbocharger
Engine Type
6-cylinder boxer petrol engine (naturally aspirated engine)
Mercedes-Benz M 264
Engine Series
M 264.920
Engine Code

4
Valves
4
4
Cylinders
6
1991 CC
Engine Capacity
2706 CC
309 bhp
at 5500 rpm
Power
271 bhp
at 7400 rpm
Mercedes CLS Coupé 350 EQ Boost
309 bhp
271 bhp
Porsche Cayman
400 NM
at 3000 rpm
Max. Torque
290 NM
at 4500 rpm
Mercedes CLS Coupé 350 EQ Boost
400 NM
290 NM
Porsche Cayman
Performance
Mercedes CLS Coupé 350 EQ Boost
Porsche Cayman
155 mph
Maximum Speed
164 mph
6 sec
Acceleration 0 to 62 mph
5.6 sec
62 mph
62
mph
mph
83 m
0.000 sec

Mercedes CLS Coupé 350 EQ Boost
62 mph
62
mph
mph
78 m
0.000 sec

Porsche Cayman
▶ REPLAY
5.74 kg/bhp
Weight-to-Power Ratio
5.22 kg/bhp
Mercedes CLS Coupé 350 EQ Boost
5.74 kg/bhp
5.22 kg/bhp
Porsche Cayman
Fuel Economy / Emissions
Mercedes CLS Coupé 350 EQ Boost
Porsche Cayman
Fuel Economy
41 mpg
combined
37 mpg
Mercedes CLS Coupé 350 EQ Boost
41 mpg
37 mpg
Porsche Cayman
30 mpg
city
27 mpg
50 mpg
motorway
48 mpg
66 L
Fuel Tank Capacity
64 L
595 mi
Range
516 mi
Mercedes CLS Coupé 350 EQ Boost
595 mi
516 mi
Porsche Cayman
Environmental Impact
130.7 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 350 EQ Boost
130.7 kWh
145.8 kWh
Porsche Cayman
Euro 6d-TEMP (WLTP) 36AG-AI
Emission Standard
Euro 5 / Euro 6
184 g/km (WLTP)
CO2 Emissions
180 g/km (NEFZ)
Practical Convenience
Mercedes CLS Coupé 350 EQ Boost
Porsche Cayman
4
Doors
2
5
No. of Seats
2
645 kg
Maximum Payload
270 kg
520 L
Boot Capacity
334 L









No data
Boot Capacity (Seats Down)
No data