The Comparative Analysis :
Mercedes CLS Coupé 350 d 4MATIC 9G-TRONIC (18 - ..) vs. Porsche 718 Cayman S PDK (16 - 18)
€ 68,100

€ 68,000

€ 68,100
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 68,000
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The Mercedes CLS Coupé 350 d 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 d
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 d
Porsche 718 Cayman S
1935 kg
Kerb Weight
1460 kg
2545 kg
Gross Vehicle
Weight
Weight
1695 kg

Weight Difference:
475 kg
24.55 %

General
Mercedes CLS Coupé 350 d
Porsche 718 Cayman S
C257
Generation
982C
Coupe
Car Body Style
Coupe
Diesel
Fuel Type
Super Unleaded (98 RON)

Permanent all-wheel drive
Drive
Rear-wheel drive

9-speed automatic transmission
Transmission
7-speed dual clutch transmission
Engine
Mercedes CLS Coupé 350 d
Porsche 718 Cayman S
Straight-six diesel engine with turbocharger
Engine Type
4-cylinder boxer petrol engine with turbocharger
Mercedes-Benz OM 656
Engine Series
OM 656.929
Engine Code

4
Valves
4
6
Cylinders
4
2925 CC
Engine Capacity
2497 CC
282 bhp
at 3400 rpm
Power
345 bhp
at 6500 rpm
Mercedes CLS Coupé 350 d
282 bhp
345 bhp
Porsche 718 Cayman S
600 NM
at 1200 rpm
Max. Torque
420 NM
at 1900 rpm
Mercedes CLS Coupé 350 d
600 NM
420 NM
Porsche 718 Cayman S
Performance
Mercedes CLS Coupé 350 d
Porsche 718 Cayman S
155 mph
Maximum Speed
177 mph
5.7 sec
Acceleration 0 to 62 mph
4.4 sec
62 mph
62
mph
mph
79 m
0.000 sec

Mercedes CLS Coupé 350 d
62 mph
62
mph
mph
61 m
0.000 sec

Porsche 718 Cayman S
▶ REPLAY
6.86 kg/bhp
Weight-to-Power Ratio
4.23 kg/bhp
Mercedes CLS Coupé 350 d
6.86 kg/bhp
4.23 kg/bhp
Porsche 718 Cayman S
Fuel Economy / Emissions
Mercedes CLS Coupé 350 d
Porsche 718 Cayman S
Fuel Economy
48 mpg
combined
39 mpg
Mercedes CLS Coupé 350 d
48 mpg
39 mpg
Porsche 718 Cayman S
41 mpg
city
30 mpg
53 mpg
motorway
47 mpg
50 L
Fuel Tank Capacity
64 L
526 mi
Range
545 mi
Mercedes CLS Coupé 350 d
526 mi
545 mi
Porsche 718 Cayman S
Environmental Impact
121.3 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).
138.2 kWh
Mercedes CLS Coupé 350 d
121.3 kWh
138.2 kWh
Porsche 718 Cayman S
Euro 6d-TEMP
Emission Standard
Euro 6c (NEFZ) 36ZA-ZF
181 g/km (WLTP)
CO2 Emissions
167 g/km (NEFZ)
Practical Convenience
Mercedes CLS Coupé 350 d
Porsche 718 Cayman S
4
Doors
2
5
No. of Seats
2
610 kg
Maximum Payload
235 kg
520 L
Boot Capacity
425 L










No data
Boot Capacity (Seats Down)
No data