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

€ 69,700

€ 63,500
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 69,700
ⓘ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 60.9 cm longer, 8.9 cm wider and 14 cm taller than the Porsche 718 Cayman S.
Mercedes CLS Coupé 350 EQ Boost
Porsche 718 Cayman S
1435
1890
2069
1295
1801
1994
1890 mm
Width
1801 mm
2069 mm
Width Incl. Mirrors
1994 mm
1435 mm
Height
1295 mm
2939
4988
2475
4379
4988 mm
Length
4379 mm
2939 mm
Wheelbase
2475 mm
Vehicle Weight
Mercedes CLS Coupé 350 EQ Boost
Porsche 718 Cayman S
1775 kg
Kerb Weight
1460 kg
2420 kg
Gross Vehicle
Weight
Weight
1695 kg

Weight Difference:
315 kg
17.75 %

General
Mercedes CLS Coupé 350 EQ Boost
Porsche 718 Cayman S
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
7-speed dual clutch transmission
Engine
Mercedes CLS Coupé 350 EQ Boost
Porsche 718 Cayman S
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
345 bhp
at 6500 rpm
Mercedes CLS Coupé 350 EQ Boost
309 bhp
345 bhp
Porsche 718 Cayman S
400 NM
at 3000 rpm
Max. Torque
420 NM
at 2100 rpm
Mercedes CLS Coupé 350 EQ Boost
400 NM
420 NM
Porsche 718 Cayman S
Performance
Mercedes CLS Coupé 350 EQ Boost
Porsche 718 Cayman S
155 mph
Maximum Speed
177 mph
6 sec
Acceleration 0 to 62 mph
4.4 sec
62 mph
62
mph
mph
83 m
0.000 sec

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

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










No data
Boot Capacity (Seats Down)
No data