The Comparative Analysis :
Mercedes E 350 CDI BlueEFFICIENCY Coupé 7G-TRONIC PLUS (11 - 13) vs. Porsche Cayman S (05 - 09)
€ 51,100

€ 60,300

€ 51,100
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 60,300
ⓘ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 350 CDI BlueEFFICIENCY Coupé is 14.1 inches longer, 0.6 inches narrower and 3.6 inches taller than the Porsche Cayman S.
Mercedes E 350 CDI 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
170.9
185 in
Length
170.9 in
108.7 in
Wheelbase
95.1 in
Vehicle Weight
Mercedes E 350 CDI BlueEFFICIENCY Coupé
Porsche Cayman S
3825 lb
Curb Weight
3120 lb
4861 lb
Gross Vehicle
Weight
Weight
3594 lb

Weight Difference:
705 lb
18.43 %

General
Mercedes E 350 CDI BlueEFFICIENCY Coupé
Porsche Cayman S
C207
Generation
987C
Coupe
Car Body Style
Coupe
Diesel
Fuel Type
Premium Unleaded

Rear-wheel drive
Drivetrain
Rear-wheel drive

7-speed automatic transmission
Transmission
6-speed manual transmission
Engine
Mercedes E 350 CDI BlueEFFICIENCY Coupé
Porsche Cayman S
V6 diesel engine with turbocharger
Engine Type
6-cylinder boxer gasoline engine (naturally aspirated engine)
Mercedes-Benz OM 642
Engine Series
OM 642.838
Engine Code

4
Valves
4
6
Cylinders
6
3 L / 147 cu in
Displacement
3.4 L / 166 cu in
261 hp
at 3800 rpm
Power
291 hp
at 6250 rpm
Mercedes E 350 CDI BlueEFFICIENCY Coupé
261 hp
291 hp
Porsche Cayman S
457 lb‑ft
at 1600 rpm
Max. Torque
251 lb‑ft
at 4400 rpm
Mercedes E 350 CDI BlueEFFICIENCY Coupé
457 lb‑ft
251 lb‑ft
Porsche Cayman S
Performance
Mercedes E 350 CDI BlueEFFICIENCY Coupé
Porsche Cayman S
155 mph
Maximum Speed
171 mph
6.1 sec
Acceleration 0 to 62 mph
5.4 sec
62 mph
62
mph
mph
279 ft
0.000 sec

Mercedes E 350 CDI BlueEFFICIENCY Coupé
62 mph
62
mph
mph
246 ft
0.000 sec

Porsche Cayman S
▶ REPLAY
14.66 lb/hp
Weight-to-Power Ratio
10.72 lb/hp
Mercedes E 350 CDI BlueEFFICIENCY Coupé
14.66 lb/hp
10.72 lb/hp
Porsche Cayman S
Fuel Economy / Emissions
Mercedes E 350 CDI BlueEFFICIENCY Coupé
Porsche Cayman S
Fuel Economy
39 mpg
combined
22 mpg
Mercedes E 350 CDI BlueEFFICIENCY Coupé
39 mpg
22 mpg
Porsche Cayman S
32 mpg
city
15 mpg
44 mpg
highway
30 mpg
17.4 gal
Fuel Tank Capacity
16.9 gal
684 mi
Range
375 mi
Mercedes E 350 CDI BlueEFFICIENCY Coupé
684 mi
375 mi
Porsche Cayman S
Environmental Impact
123.4 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).
200.8 kWh
Mercedes E 350 CDI BlueEFFICIENCY Coupé
123.4 kWh
200.8 kWh
Porsche Cayman S
Euro 5
Emission Standard
Euro 4
256 g/mi (NEFZ)
CO2 Emissions
409 g/mi (NEFZ)
Practical Convenience
Mercedes E 350 CDI BlueEFFICIENCY Coupé
Porsche Cayman S
3
Doors
2
4
No. of Seats
2
1036 lb
Maximum Payload
474 lb
12.7 cu ft
Trunk Volume
11.6 cu ft








No data
Cargo Volume (Seats Down)
No data