The Comparative Analysis :
Mercedes E 400 d Coupé 4MATIC 9G-TRONIC (18 - ..) vs. Porsche 718 Cayman (16 - 18)
€ 65,500
€ 52,700
€ 65,500
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 52,700
ⓘ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 17.6 inches longer, 2.3 inches wider and 5.3 inches taller than the Porsche 718 Cayman.
Mercedes E 400 d Coupé
Porsche 718 Cayman
56.3
73.2
80.9
51
70.9
78.5
73.2 in
Width
70.9 in
80.9 in
Width Incl. Mirrors
78.5 in
56.3 in
Height
51 in
113.1
190
97.4
172.4
190 in
Length
172.4 in
113.1 in
Wheelbase
97.4 in
Vehicle Weight
Mercedes E 400 d Coupé
Porsche 718 Cayman
4277 lb
Curb Weight
3109 lb
5379 lb
Gross Vehicle
Weight
Weight
3649 lb
Weight Difference:
1168 lb
27.31 %
General
Mercedes E 400 d Coupé
Porsche 718 Cayman
C238
Generation
982C
Coupe
Car Body Style
Coupe
Diesel
Fuel Type
Premium Unleaded
Permanent all-wheel drive (AWD)
Drivetrain
Rear-wheel drive
9-speed automatic transmission
Transmission
6-speed manual transmission
Engine
Mercedes E 400 d Coupé
Porsche 718 Cayman
Straight-six diesel engine with two turbochargers (biturbo)
Engine Type
4-cylinder boxer gasoline engine with turbocharger
Mercedes-Benz OM 656
Engine Series
OM 656.929
Engine Code
4
Valves
4
6
Cylinders
4
2.9 L / 142 cu in
Displacement
2 L / 98 cu in
335 hp
at 3400 rpm
Power
296 hp
at 6500 rpm
Mercedes E 400 d Coupé
335 hp
296 hp
Porsche 718 Cayman
516 lb‑ft
at 1200 rpm
Max. Torque
280 lb‑ft
at 1950 rpm
Mercedes E 400 d Coupé
516 lb‑ft
280 lb‑ft
Porsche 718 Cayman
Performance
Mercedes E 400 d Coupé
Porsche 718 Cayman
155 mph
Maximum Speed
171 mph
5.1 sec
Acceleration 0 to 62 mph
5.1 sec
62 mph
62
mph
mph
233 ft
0.000 sec
Mercedes E 400 d Coupé
62 mph
62
mph
mph
233 ft
0.000 sec
Porsche 718 Cayman
▶ REPLAY
12.77 lb/hp
Weight-to-Power Ratio
10.5 lb/hp
Mercedes E 400 d Coupé
12.77 lb/hp
10.5 lb/hp
Porsche 718 Cayman
Fuel Economy / Emissions
Mercedes E 400 d Coupé
Porsche 718 Cayman
Fuel Economy
40 mpg
combined
32 mpg
Mercedes E 400 d Coupé
40 mpg
32 mpg
Porsche 718 Cayman
34 mpg
city
24 mpg
44 mpg
highway
39 mpg
13.2 gal
Fuel Tank Capacity
14.3 gal
526 mi
Range
454 mi
Mercedes E 400 d Coupé
526 mi
454 mi
Porsche 718 Cayman
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).
140.2 kWh
Mercedes E 400 d Coupé
121.3 kWh
140.2 kWh
Porsche 718 Cayman
Euro 6d-TEMP
Emission Standard
Euro 6c (NEFZ) 36ZA-ZF
286 g/mi (WLTP)
CO2 Emissions
270 g/mi (NEFZ)
Practical Convenience
Mercedes E 400 d Coupé
Porsche 718 Cayman
3
Doors
2
4
No. of Seats
2
1102 lb
Maximum Payload
540 lb
12 cu ft
Trunk Volume
12 cu ft
No data
Cargo Volume (Seats Down)
No data
