The Comparative Analysis :
Mercedes CLS Coupé 350 EQ Boost 9G-TRONIC (18 - 19) vs. Porsche 718 Cayman GTS (19 - ..)
€ 63,500

€ 77,200

€ 63,500
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 77,200
ⓘ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 59.5 cm longer, 8.9 cm wider and 14.9 cm taller than the Porsche 718 Cayman GTS.
Mercedes CLS Coupé 350 EQ Boost
Porsche 718 Cayman GTS
1435
1890
2069
1286
1801
1994
1890 mm
Width
1801 mm
2069 mm
Width Incl. Mirrors
1994 mm
1435 mm
Height
1286 mm
2939
4988
2475
4393
4988 mm
Length
4393 mm
2939 mm
Wheelbase
2475 mm
Vehicle Weight
Mercedes CLS Coupé 350 EQ Boost
Porsche 718 Cayman GTS
1775 kg
Kerb Weight
1450 kg
2420 kg
Gross Vehicle
Weight
Weight
1675 kg

Weight Difference:
325 kg
18.31 %

General
Mercedes CLS Coupé 350 EQ Boost
Porsche 718 Cayman GTS
C257
Generation
982C
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
6-speed manual transmission
Engine
Mercedes CLS Coupé 350 EQ Boost
Porsche 718 Cayman GTS
4-cylinder mild hybrid petrol engine with turbocharger
Engine Type
4-cylinder boxer petrol engine with turbocharger
Mercedes-Benz M 264
Engine Series
M 264.920
Engine Code

4
Valves
4
4
Cylinders
4
1991 CC
Engine Capacity
2497 CC
309 bhp
at 5500 rpm
Power
360 bhp
at 6500 rpm
Mercedes CLS Coupé 350 EQ Boost
309 bhp
360 bhp
Porsche 718 Cayman GTS
400 NM
at 3000 rpm
Max. Torque
430 NM
at 1900 rpm
Mercedes CLS Coupé 350 EQ Boost
400 NM
430 NM
Porsche 718 Cayman GTS
Performance
Mercedes CLS Coupé 350 EQ Boost
Porsche 718 Cayman GTS
155 mph
Maximum Speed
180 mph
6 sec
Acceleration 0 to 62 mph
4.6 sec
62 mph
62
mph
mph
83 m
0.000 sec

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

Porsche 718 Cayman GTS
▶ REPLAY
5.74 kg/bhp
Weight-to-Power Ratio
4.03 kg/bhp
Mercedes CLS Coupé 350 EQ Boost
5.74 kg/bhp
4.03 kg/bhp
Porsche 718 Cayman GTS
Fuel Economy / Emissions
Mercedes CLS Coupé 350 EQ Boost
Porsche 718 Cayman GTS
Fuel Economy
41 mpg
combined
31 mpg
Mercedes CLS Coupé 350 EQ Boost
41 mpg
31 mpg
Porsche 718 Cayman GTS
30 mpg
city
22 mpg
50 mpg
motorway
40 mpg
66 L
Fuel Tank Capacity
64 L
595 mi
Range
432 mi
Mercedes CLS Coupé 350 EQ Boost
595 mi
432 mi
Porsche 718 Cayman GTS
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).
174.3 kWh
Mercedes CLS Coupé 350 EQ Boost
130.7 kWh
174.3 kWh
Porsche 718 Cayman GTS
Euro 6d-TEMP (WLTP) 36AG-AI
Emission Standard
Euro 6d-TEMP
184 g/km (WLTP)
CO2 Emissions
225 g/km (WLTP)
Practical Convenience
Mercedes CLS Coupé 350 EQ Boost
Porsche 718 Cayman GTS
4
Doors
2
5
No. of Seats
2
645 kg
Maximum Payload
225 kg
520 L
Boot Capacity
425 L










No data
Boot Capacity (Seats Down)
No data