The Comparative Analysis :
Mercedes E 400 Coupé 4MATIC 9G-TRONIC (17 - 18) vs. Porsche Cayman R (11 - 12)
€ 64,800

€ 69,800

€ 64,800
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 69,800
ⓘ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 18.9 inches longer, 2.3 inches wider and 5.7 inches taller than the Porsche Cayman R.
Mercedes E 400 Coupé
Porsche Cayman R
56.3
73.2
80.9
50.6
70.9
77.9
73.2 in
Width
70.9 in
80.9 in
Width Incl. Mirrors
77.9 in
56.3 in
Height
50.6 in
113.1
190
95.1
171.1
190 in
Length
171.1 in
113.1 in
Wheelbase
95.1 in
Vehicle Weight
Mercedes E 400 Coupé
Porsche Cayman R
4068 lb
Curb Weight
3020 lb
5203 lb
Gross Vehicle
Weight
Weight
3571 lb

Weight Difference:
1047 lb
25.74 %

General
Mercedes E 400 Coupé
Porsche Cayman R
C238
Generation
987C
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
6-speed manual transmission
Engine
Mercedes E 400 Coupé
Porsche Cayman R
V6 gasoline engine with two turbochargers (biturbo)
Engine Type
6-cylinder boxer gasoline engine (naturally aspirated engine)
Mercedes-Benz M 276
Engine Series
M 276.823
Engine Code

4
Valves
4
6
Cylinders
6
3 L / 147 cu in
Displacement
3.4 L / 166 cu in
328 hp
at 5250 rpm
Power
325 hp
at 7400 rpm
Mercedes E 400 Coupé
328 hp
325 hp
Porsche Cayman R
354 lb‑ft
at 1600 rpm
Max. Torque
273 lb‑ft
at 4750 rpm
Mercedes E 400 Coupé
354 lb‑ft
273 lb‑ft
Porsche Cayman R
Performance
Mercedes E 400 Coupé
Porsche Cayman R
155 mph
Maximum Speed
175 mph
5.3 sec
Acceleration 0 to 62 mph
5 sec
62 mph
62
mph
mph
243 ft
0.000 sec

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

Porsche Cayman R
▶ REPLAY
12.4 lb/hp
Weight-to-Power Ratio
9.29 lb/hp
Mercedes E 400 Coupé
12.4 lb/hp
9.29 lb/hp
Porsche Cayman R
Fuel Economy / Emissions
Mercedes E 400 Coupé
Porsche Cayman R
Fuel Economy
29 mpg
combined
24 mpg
Mercedes E 400 Coupé
29 mpg
24 mpg
Porsche Cayman R
21 mpg
city
17 mpg
37 mpg
highway
33 mpg
17.4 gal
Fuel Tank Capacity
14.3 gal
506 mi
Range
346 mi
Mercedes E 400 Coupé
506 mi
346 mi
Porsche Cayman R
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).
183.8 kWh
Mercedes E 400 Coupé
153.5 kWh
183.8 kWh
Porsche Cayman R
Euro 6b (NEFZ)
Emission Standard
Euro 5
295 g/mi (NEFZ)
CO2 Emissions
367 g/mi (NEFZ)
Practical Convenience
Mercedes E 400 Coupé
Porsche Cayman R
3
Doors
2
4
No. of Seats
2
1135 lb
Maximum Payload
551 lb
12 cu ft
Trunk Volume
11.6 cu ft









No data
Cargo Volume (Seats Down)
No data