The Comparative Analysis :
Mercedes E 500 BlueEFFICIENCY Coupé 7G-TRONIC (11 - 13) vs. Porsche Cayman S Black Edition PDK (11 - 12)
€ 70,100

€ 70,800

€ 70,100
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 70,800
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The dimensions of these vehicles differ considerably. The Mercedes E 500 BlueEFFICIENCY Coupé is 13.8 inches longer, 0.6 inches narrower and 3.6 inches taller than the Porsche Cayman S.
Mercedes E 500 BlueEFFICIENCY Coupé
Porsche Cayman S
55
70.3
79.8
51.4
70.9
77.9
70.3 in
Width
70.9 in
79.8 in
Width Incl. Mirrors
77.9 in
55 in
Height
51.4 in
108.7
185
95.1
171.1
185 in
Length
171.1 in
108.7 in
Wheelbase
95.1 in
Vehicle Weight
Mercedes E 500 BlueEFFICIENCY Coupé
Porsche Cayman S
3957 lb
Curb Weight
3197 lb
4960 lb
Gross Vehicle
Weight
Weight
3693 lb

Weight Difference:
761 lb
19.23 %

General
Mercedes E 500 BlueEFFICIENCY Coupé
Porsche Cayman S
C207
Generation
987C
Coupe
Car Body Style
Coupe
Mid-Grade Unleaded
Fuel Type
Premium Unleaded

Rear-wheel drive
Drivetrain
Rear-wheel drive

7-speed automatic transmission
Transmission
7-speed dual clutch transmission
Engine
Mercedes E 500 BlueEFFICIENCY Coupé
Porsche Cayman S
V8 gasoline engine with two turbochargers (biturbo)
Engine Type
6-cylinder boxer gasoline engine (naturally aspirated engine)
Mercedes-Benz M 278
Engine Series
M 278.922
Engine Code

4
Valves
4
8
Cylinders
6
4.7 L / 230 cu in
Displacement
3.4 L / 166 cu in
402 hp
at 5000 rpm
Power
325 hp
at 7400 rpm
Mercedes E 500 BlueEFFICIENCY Coupé
402 hp
325 hp
Porsche Cayman S
443 lb‑ft
at 1600 rpm
Max. Torque
273 lb‑ft
at 4750 rpm
Mercedes E 500 BlueEFFICIENCY Coupé
443 lb‑ft
273 lb‑ft
Porsche Cayman S
Performance
Mercedes E 500 BlueEFFICIENCY Coupé
Porsche Cayman S
155 mph
Maximum Speed
172 mph
5.1 sec
Acceleration 0 to 62 mph
5 sec
62 mph
62
mph
mph
233 ft
0.000 sec

Mercedes E 500 BlueEFFICIENCY Coupé
62 mph
62
mph
mph
226 ft
0.000 sec

Porsche Cayman S
▶ REPLAY
9.84 lb/hp
Weight-to-Power Ratio
9.84 lb/hp
Mercedes E 500 BlueEFFICIENCY Coupé
9.84 lb/hp
9.84 lb/hp
Porsche Cayman S
Fuel Economy / Emissions
Mercedes E 500 BlueEFFICIENCY Coupé
Porsche Cayman S
Fuel Economy
26 mpg
combined
25 mpg
Mercedes E 500 BlueEFFICIENCY Coupé
26 mpg
25 mpg
Porsche Cayman S
19 mpg
city
17 mpg
35 mpg
highway
36 mpg
17.4 gal
Fuel Tank Capacity
17.2 gal
461 mi
Range
429 mi
Mercedes E 500 BlueEFFICIENCY Coupé
461 mi
429 mi
Porsche Cayman S
Environmental Impact
168.7 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).
178.2 kWh
Mercedes E 500 BlueEFFICIENCY Coupé
168.7 kWh
178.2 kWh
Porsche Cayman S
Euro 5
Emission Standard
Euro 5
336 g/mi (NEFZ)
CO2 Emissions
356 g/mi (NEFZ)
Practical Convenience
Mercedes E 500 BlueEFFICIENCY Coupé
Porsche Cayman S
3
Doors
2
4
No. of Seats
2
1003 lb
Maximum Payload
496 lb
12.7 cu ft
Trunk Volume
11.6 cu ft








No data
Cargo Volume (Seats Down)
No data