The Comparative Analysis :

Mercedes CLS Coupé 400 d 4MATIC 9G-TRONIC (18 - ..) vs. Porsche 718 Cayman S (16 - 18)

€ 72,500
Mercedes CLS Coupé 400 d 4MATIC 9G-TRONIC (18 - ..) Mercedes CLS Coupé 400 d
€ 65,200
 Porsche 718 Cayman S (16 - 18) Porsche 718 Cayman S
€ 72,500
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 65,200

ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info

Vehicle Dimensions

The Mercedes CLS Coupé 400 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 400 d
Porsche 718 Cayman S
1435
Blueprint Mercedes CLS Coupé 400 d 4MATIC 9G-TRONIC (18 - ..)
1890
2069
1295
Blueprint Porsche 718 Cayman S (16 - 18)
1801
1994
1890 mm
Width
1801 mm
2069 mm
Width Incl. Mirrors
1994 mm
1435 mm
Height
1295 mm
Blueprint Mercedes CLS Coupé 400 d 4MATIC 9G-TRONIC (18 - ..)
2939
4988
Blueprint Porsche 718 Cayman S (16 - 18)
2475
4379
4988 mm
Length
4379 mm
2939 mm
Wheelbase
2475 mm

Vehicle Weight

Mercedes CLS Coupé 400 d
Porsche 718 Cayman S
1935 kg
Kerb Weight
1430 kg
2545 kg
Gross Vehicle
Weight
1665 kg
Mercedes CLS Coupé 400 d 4MATIC 9G-TRONIC (18 - ..)
Weight Difference:
505 kg
26.1 %
Porsche 718 Cayman S (16 - 18)

General

Mercedes CLS Coupé 400 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
6-speed manual transmission

Engine

Mercedes CLS Coupé 400 d
Porsche 718 Cayman S
Straight-six diesel engine with two tur­bo­chargers (bi­turbo)
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
335 bhp
at 4400 rpm
Power
345 bhp
at 6500 rpm
Mercedes CLS Coupé 400 d
335 bhp
345 bhp
Porsche 718 Cayman S
700 NM
at 1200 rpm
Max. Torque
420 NM
at 1900 rpm
Mercedes CLS Coupé 400 d
700 NM
420 NM
Porsche 718 Cayman S

Performance

Mercedes CLS Coupé 400 d
Porsche 718 Cayman S
155 mph
Maximum Speed
177 mph
5 sec
Acceleration 0 to 62 mph
4.6 sec
62 mph 62
mph

69 m
0.000 sec

Mercedes CLS Coupé 400 d

62 mph 62
mph

64 m
0.000 sec

Porsche 718 Cayman S

▶ REPLAY
5.78 kg/bhp
Weight-to-Power Ratio
4.14 kg/bhp
Mercedes CLS Coupé 400 d
5.78 kg/bhp
4.14 kg/bhp
Porsche 718 Cayman S

Fuel Economy / Emissions

Mercedes CLS Coupé 400 d
Porsche 718 Cayman S
Fuel Economy
48 mpg
combined
35 mpg
Mercedes CLS Coupé 400 d
48 mpg
35 mpg
Porsche 718 Cayman S
41 mpg
city
26 mpg
53 mpg
motorway
43 mpg
Kraftstoffanzeige
50 L
Fuel Tank Capacity
64 L
Kraftstoffanzeige
526 mi
Range
491 mi
Mercedes CLS Coupé 400 d
526 mi
491 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).
153.5 kWh
Mercedes CLS Coupé 400 d
121.3 kWh
153.5 kWh
Porsche 718 Cayman S
Euro 6d-TEMP
Emission Standard
Euro 6c (NEFZ) 36ZA-ZF
181 g/km (WLTP)
CO2 Emissions
184 g/km (NEFZ)

Practical Convenience

Mercedes CLS Coupé 400 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