The Comparative Analysis :
Mercedes E 400 d Coupé 4MATIC 9G-TRONIC (18 - ..) vs. Porsche 718 Cayman GTS 4.0 (20 - ..)
€ 65,500

€ 81,900

€ 65,500
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 E 400 d Coupé is significantly bigger in every dimension. It's 43.3 cm longer, 5.9 cm wider and 15.4 cm taller than the Porsche 718 Cayman GTS 4.0.
Mercedes E 400 d Coupé
Porsche 718 Cayman GTS 4.0
1430
1860
2055
1276
1801
1994
1860 mm
Width
1801 mm
2055 mm
Width Incl. Mirrors
1994 mm
1430 mm
Height
1276 mm
2873
4826
2475
4393
4826 mm
Length
4393 mm
2873 mm
Wheelbase
2475 mm
Vehicle Weight
Mercedes E 400 d Coupé
Porsche 718 Cayman GTS 4.0
1940 kg
Kerb Weight
1480 kg
2440 kg
Gross Vehicle
Weight
Weight
1700 kg

Weight Difference:
460 kg
23.71 %

General
Mercedes E 400 d Coupé
Porsche 718 Cayman GTS 4.0
C238
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 E 400 d Coupé
Porsche 718 Cayman GTS 4.0
Straight-six diesel engine with two turbochargers (biturbo)
Engine Type
6-cylinder boxer petrol engine with turbocharger
Mercedes-Benz OM 656
Engine Series
OM 656.929
Engine Code

4
Valves
4
6
Cylinders
6
2925 CC
Engine Capacity
3995 CC
335 bhp
at 3400 rpm
Power
395 bhp
at 7000 rpm
Mercedes E 400 d Coupé
335 bhp
395 bhp
Porsche 718 Cayman GTS 4.0
700 NM
at 1200 rpm
Max. Torque
420 NM
at 5000 rpm
Mercedes E 400 d Coupé
700 NM
420 NM
Porsche 718 Cayman GTS 4.0
Performance
Mercedes E 400 d Coupé
Porsche 718 Cayman GTS 4.0
155 mph
Maximum Speed
182 mph
5.1 sec
Acceleration 0 to 62 mph
4.5 sec
62 mph
62
mph
mph
71 m
0.000 sec

Mercedes E 400 d Coupé
62 mph
62
mph
mph
63 m
0.000 sec

Porsche 718 Cayman GTS 4.0
▶ REPLAY
5.79 kg/bhp
Weight-to-Power Ratio
3.75 kg/bhp
Mercedes E 400 d Coupé
5.79 kg/bhp
3.75 kg/bhp
Porsche 718 Cayman GTS 4.0
Fuel Economy / Emissions
Mercedes E 400 d Coupé
Porsche 718 Cayman GTS 4.0
Fuel Economy
48 mpg
combined
26 mpg
Mercedes E 400 d Coupé
48 mpg
26 mpg
Porsche 718 Cayman GTS 4.0
41 mpg
city
18 mpg
53 mpg
motorway
35 mpg
50 L
Fuel Tank Capacity
64 L
526 mi
Range
368 mi
Mercedes E 400 d Coupé
526 mi
368 mi
Porsche 718 Cayman GTS 4.0
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).
204.5 kWh
Mercedes E 400 d Coupé
121.3 kWh
204.5 kWh
Porsche 718 Cayman GTS 4.0
Euro 6d-TEMP
Emission Standard
Euro 6d-TEMP-EVAP-ISC (WLTP) 36CH, 36CI, 36DG
178 g/km (WLTP)
CO2 Emissions
247 g/km (WLTP)
Practical Convenience
Mercedes E 400 d Coupé
Porsche 718 Cayman GTS 4.0
3
Doors
2
4
No. of Seats
2
500 kg
Maximum Payload
220 kg
425 L
Boot Capacity
420 L









No data
Boot Capacity (Seats Down)
No data