The Comparative Analysis :
Porsche Cayman S (13 - 16) vs. Mercedes CLS Coupé 350 EQ Boost 9G-TRONIC (18 - 19)
€ 64,100

€ 63,500

€ 64,100
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 63,500
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The Porsche Cayman S is significantly smaller in every dimension. It's 60.8 cm shorter, 8.9 cm narrower and 14 cm lower than the Mercedes CLS Coupé 350 EQ Boost.
Porsche Cayman S
Mercedes CLS Coupé 350 EQ Boost
1295
1801
1978
1435
1890
2069
1801 mm
Width
1890 mm
1978 mm
Width Incl. Mirrors
2069 mm
1295 mm
Height
1435 mm
2475
4380
2939
4988
4380 mm
Length
4988 mm
2475 mm
Wheelbase
2939 mm
Vehicle Weight
Porsche Cayman S
Mercedes CLS Coupé 350 EQ Boost
1395 kg
Kerb Weight
1775 kg
1665 kg
Gross Vehicle
Weight
Weight
2420 kg

Weight Difference:
380 kg
21.41 %

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

Rear-wheel drive
Drive
Rear-wheel drive

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

4
Valves
4
6
Cylinders
4
3436 CC
Engine Capacity
1991 CC
321 bhp
at 7400 rpm
Power
309 bhp
at 5500 rpm
Porsche Cayman S
321 bhp
309 bhp
Mercedes CLS Coupé 350 EQ Boost
370 NM
at 4500 rpm
Max. Torque
400 NM
at 3000 rpm
Porsche Cayman S
370 NM
400 NM
Mercedes CLS Coupé 350 EQ Boost
Performance
Porsche Cayman S
Mercedes CLS Coupé 350 EQ Boost
176 mph
Maximum Speed
155 mph
5 sec
Acceleration 0 to 62 mph
6 sec
62 mph
62
mph
mph
69 m
0.000 sec

Porsche Cayman S
62 mph
62
mph
mph
83 m
0.000 sec

Mercedes CLS Coupé 350 EQ Boost
▶ REPLAY
4.35 kg/bhp
Weight-to-Power Ratio
5.74 kg/bhp
Porsche Cayman S
4.35 kg/bhp
5.74 kg/bhp
Mercedes CLS Coupé 350 EQ Boost
Fuel Economy / Emissions
Porsche Cayman S
Mercedes CLS Coupé 350 EQ Boost
Fuel Economy
32 mpg
combined
41 mpg
Porsche Cayman S
32 mpg
41 mpg
Mercedes CLS Coupé 350 EQ Boost
23 mpg
city
30 mpg
41 mpg
motorway
50 mpg
64 L
Fuel Tank Capacity
66 L
452 mi
Range
595 mi
Porsche Cayman S
452 mi
595 mi
Mercedes CLS Coupé 350 EQ Boost
Environmental Impact
166.7 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).
130.7 kWh
Porsche Cayman S
166.7 kWh
130.7 kWh
Mercedes CLS Coupé 350 EQ Boost
Euro 5 / Euro 6
Emission Standard
Euro 6d-TEMP (WLTP) 36AG-AI
206 g/km (NEFZ)
CO2 Emissions
184 g/km (WLTP)
Practical Convenience
Porsche Cayman S
Mercedes CLS Coupé 350 EQ Boost
2
Doors
4
2
No. of Seats
5
270 kg
Maximum Payload
645 kg
334 L
Boot Capacity
520 L









No data
Boot Capacity (Seats Down)
No data