The Comparative Analysis :
Mercedes E 400 Coupé 4MATIC 9G-TRONIC (17 - 18) vs. Porsche 718 Cayman S PDK (19 - ..)
€ 64,800

€ 69,700

€ 64,800
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 69,700
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The Mercedes E 400 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 S.
Mercedes E 400 Coupé
Porsche 718 Cayman S
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 Coupé
Porsche 718 Cayman S
4068 lb
Curb Weight
3219 lb
5203 lb
Gross Vehicle
Weight
Weight
3737 lb

Weight Difference:
849 lb
20.87 %

General
Mercedes E 400 Coupé
Porsche 718 Cayman S
C238
Generation
982C
Coupe
Car Body Style
Coupe
Mid-Grade Unleaded
Fuel Type
Premium Unleaded

Permanent all-wheel drive (AWD)
Drivetrain
Rear-wheel drive

9-speed automatic transmission
Transmission
7-speed dual clutch transmission
Engine
Mercedes E 400 Coupé
Porsche 718 Cayman S
V6 gasoline engine with two turbochargers (biturbo)
Engine Type
4-cylinder boxer gasoline engine with turbocharger
Mercedes-Benz M 276
Engine Series
M 276.823
Engine Code

4
Valves
4
6
Cylinders
4
3 L / 147 cu in
Displacement
2.5 L / 122 cu in
328 hp
at 5250 rpm
Power
345 hp
at 6500 rpm
Mercedes E 400 Coupé
328 hp
345 hp
Porsche 718 Cayman S
354 lb‑ft
at 1600 rpm
Max. Torque
310 lb‑ft
at 2100 rpm
Mercedes E 400 Coupé
354 lb‑ft
310 lb‑ft
Porsche 718 Cayman S
Performance
Mercedes E 400 Coupé
Porsche 718 Cayman S
155 mph
Maximum Speed
177 mph
5.3 sec
Acceleration 0 to 62 mph
4.4 sec
62 mph
62
mph
mph
243 ft
0.000 sec

Mercedes E 400 Coupé
62 mph
62
mph
mph
200 ft
0.000 sec

Porsche 718 Cayman S
▶ REPLAY
12.4 lb/hp
Weight-to-Power Ratio
9.33 lb/hp
Mercedes E 400 Coupé
12.4 lb/hp
9.33 lb/hp
Porsche 718 Cayman S
Fuel Economy / Emissions
Mercedes E 400 Coupé
Porsche 718 Cayman S
Fuel Economy
29 mpg
combined
28 mpg
Mercedes E 400 Coupé
29 mpg
28 mpg
Porsche 718 Cayman S
21 mpg
city
21 mpg
37 mpg
highway
35 mpg
17.4 gal
Fuel Tank Capacity
16.9 gal
506 mi
Range
468 mi
Mercedes E 400 Coupé
506 mi
468 mi
Porsche 718 Cayman S
Environmental Impact
153.5 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).
161.1 kWh
Mercedes E 400 Coupé
153.5 kWh
161.1 kWh
Porsche 718 Cayman S
Euro 6b (NEFZ)
Emission Standard
Euro 6d-TEMP
295 g/mi (NEFZ)
CO2 Emissions
333 g/mi (WLTP)
Practical Convenience
Mercedes E 400 Coupé
Porsche 718 Cayman S
3
Doors
2
4
No. of Seats
2
1135 lb
Maximum Payload
518 lb
12 cu ft
Trunk Volume
12 cu ft










No data
Cargo Volume (Seats Down)
No data