The Comparative Analysis :
Mercedes CLS Coupé 300 d 9G-TRONIC (18 - ..) vs. Porsche 718 Cayman GTS 4.0 (20 - ..)
€ 60,600

€ 81,900

€ 60,600
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 81,900
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The Mercedes CLS Coupé 300 d is significantly bigger in every dimension. It's 59.5 cm longer, 8.9 cm wider and 15.9 cm taller than the Porsche 718 Cayman GTS 4.0.
Mercedes CLS Coupé 300 d
Porsche 718 Cayman GTS 4.0
1435
1890
2069
1276
1801
1994
1890 mm
Width
1801 mm
2069 mm
Width Incl. Mirrors
1994 mm
1435 mm
Height
1276 mm
2939
4988
2475
4393
4988 mm
Length
4393 mm
2939 mm
Wheelbase
2475 mm
Vehicle Weight
Mercedes CLS Coupé 300 d
Porsche 718 Cayman GTS 4.0
1825 kg
Kerb Weight
1480 kg
2445 kg
Gross Vehicle
Weight
Weight
1700 kg

Weight Difference:
345 kg
18.9 %

General
Mercedes CLS Coupé 300 d
Porsche 718 Cayman GTS 4.0
C257
Generation
982C
Coupe
Car Body Style
Coupe
Diesel
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 300 d
Porsche 718 Cayman GTS 4.0
Straight-four diesel engine with two turbochargers (biturbo)
Engine Type
6-cylinder boxer petrol engine with turbocharger
Mercedes-Benz OM 654
Engine Series
OM 654.920
Engine Code

4
Valves
4
4
Cylinders
6
1950 CC
Engine Capacity
3995 CC
242 bhp
at 4600 rpm
Power
395 bhp
at 7000 rpm
Mercedes CLS Coupé 300 d
242 bhp
395 bhp
Porsche 718 Cayman GTS 4.0
500 NM
at 1600 rpm
Max. Torque
420 NM
at 5000 rpm
Mercedes CLS Coupé 300 d
500 NM
420 NM
Porsche 718 Cayman GTS 4.0
Performance
Mercedes CLS Coupé 300 d
Porsche 718 Cayman GTS 4.0
155 mph
Maximum Speed
182 mph
6.4 sec
Acceleration 0 to 62 mph
4.5 sec
62 mph
62
mph
mph
89 m
0.000 sec

Mercedes CLS Coupé 300 d
62 mph
62
mph
mph
63 m
0.000 sec

Porsche 718 Cayman GTS 4.0
▶ REPLAY
7.54 kg/bhp
Weight-to-Power Ratio
3.75 kg/bhp
Mercedes CLS Coupé 300 d
7.54 kg/bhp
3.75 kg/bhp
Porsche 718 Cayman GTS 4.0
Fuel Economy / Emissions
Mercedes CLS Coupé 300 d
Porsche 718 Cayman GTS 4.0
Fuel Economy
53 mpg
combined
26 mpg
Mercedes CLS Coupé 300 d
53 mpg
26 mpg
Porsche 718 Cayman GTS 4.0
43 mpg
city
18 mpg
63 mpg
motorway
35 mpg
50 L
Fuel Tank Capacity
64 L
586 mi
Range
368 mi
Mercedes CLS Coupé 300 d
586 mi
368 mi
Porsche 718 Cayman GTS 4.0
Environmental Impact
109.1 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).
204.5 kWh
Mercedes CLS Coupé 300 d
109.1 kWh
204.5 kWh
Porsche 718 Cayman GTS 4.0
Euro 6d-TEMP
Emission Standard
Euro 6d-TEMP-EVAP-ISC (WLTP) 36CH, 36CI, 36DG
158 g/km (WLTP)
CO2 Emissions
247 g/km (WLTP)
Practical Convenience
Mercedes CLS Coupé 300 d
Porsche 718 Cayman GTS 4.0
4
Doors
2
5
No. of Seats
2
620 kg
Maximum Payload
220 kg
520 L
Boot Capacity
420 L









No data
Boot Capacity (Seats Down)
No data