The Comparative Analysis :
Mercedes CLS Coupé 350 d 4MATIC 9G-TRONIC (18 - ..) vs. Porsche 718 Cayman GT4 (19 - ..)
€ 68,100

€ 96,200

€ 68,100
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 96,200
ⓘ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 53.2 cm longer, 8.9 cm wider and 16.6 cm taller than the Porsche 718 Cayman GT4.
Mercedes CLS Coupé 350 d
Porsche 718 Cayman GT4
1435
1890
2069
1269
1801
1994
1890 mm
Width
1801 mm
2069 mm
Width Incl. Mirrors
1994 mm
1435 mm
Height
1269 mm
2939
4988
2484
4456
4988 mm
Length
4456 mm
2939 mm
Wheelbase
2484 mm
Vehicle Weight
Mercedes CLS Coupé 350 d
Porsche 718 Cayman GT4
1935 kg
Kerb Weight
1495 kg
2545 kg
Gross Vehicle
Weight
Weight
1750 kg

Weight Difference:
440 kg
22.74 %

General
Mercedes CLS Coupé 350 d
Porsche 718 Cayman GT4
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
6-speed manual transmission
Engine
Mercedes CLS Coupé 350 d
Porsche 718 Cayman GT4
Straight-six diesel engine with turbocharger
Engine Type
6-cylinder boxer petrol engine (naturally aspirated engine)
Mercedes-Benz OM 656
Engine Series
OM 656.929
Engine Code

4
Valves
4
6
Cylinders
6
2925 CC
Engine Capacity
3995 CC
282 bhp
at 3400 rpm
Power
414 bhp
at 7600 rpm
Mercedes CLS Coupé 350 d
282 bhp
414 bhp
Porsche 718 Cayman GT4
600 NM
at 1200 rpm
Max. Torque
420 NM
at 5000 rpm
Mercedes CLS Coupé 350 d
600 NM
420 NM
Porsche 718 Cayman GT4
Performance
Mercedes CLS Coupé 350 d
Porsche 718 Cayman GT4
155 mph
Maximum Speed
189 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 GT4
▶ REPLAY
6.86 kg/bhp
Weight-to-Power Ratio
3.61 kg/bhp
Mercedes CLS Coupé 350 d
6.86 kg/bhp
3.61 kg/bhp
Porsche 718 Cayman GT4
Fuel Economy / Emissions
Mercedes CLS Coupé 350 d
Porsche 718 Cayman GT4
Fuel Economy
48 mpg
combined
26 mpg
Mercedes CLS Coupé 350 d
48 mpg
26 mpg
Porsche 718 Cayman GT4
41 mpg
city
18 mpg
53 mpg
motorway
35 mpg
50 L
Fuel Tank Capacity
64 L
526 mi
Range
365 mi
Mercedes CLS Coupé 350 d
526 mi
365 mi
Porsche 718 Cayman GT4
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).
206.5 kWh
Mercedes CLS Coupé 350 d
121.3 kWh
206.5 kWh
Porsche 718 Cayman GT4
Euro 6d-TEMP
Emission Standard
Euro 6d-TEMP-EVAP-ISC (WLTP) 36CH, 36CI, 36DG
181 g/km (WLTP)
CO2 Emissions
251 g/km (WLTP)
Practical Convenience
Mercedes CLS Coupé 350 d
Porsche 718 Cayman GT4
4
Doors
2
5
No. of Seats
2
610 kg
Maximum Payload
255 kg
520 L
Boot Capacity
420 L









No data
Boot Capacity (Seats Down)
No data