The Comparative Analysis :
Mercedes E 350 CDI BlueEFFICIENCY Coupé 7G-TRONIC (09 - 11) vs. Porsche Cayman S Tiptronic (05 - 09)
€ 50,700

€ 62,900

€ 50,700
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 62,900
ⓘ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
3814 lb
Curb Weight
3208 lb
4806 lb
Gross Vehicle
Weight
Weight
3682 lb

Weight Difference:
606 lb
15.89 %

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
5-speed automatic 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 642.836
Engine Code

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

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

Porsche Cayman S
▶ REPLAY
16.73 lb/hp
Weight-to-Power Ratio
11.02 lb/hp
Mercedes E 350 CDI BlueEFFICIENCY Coupé
16.73 lb/hp
11.02 lb/hp
Porsche Cayman S
Fuel Economy / Emissions
Mercedes E 350 CDI BlueEFFICIENCY Coupé
Porsche Cayman S
Fuel Economy
35 mpg
combined
21 mpg
Mercedes E 350 CDI BlueEFFICIENCY Coupé
35 mpg
21 mpg
Porsche Cayman S
26 mpg
city
14 mpg
42 mpg
highway
30 mpg
17.4 gal
Fuel Tank Capacity
16.9 gal
603 mi
Range
362 mi
Mercedes E 350 CDI BlueEFFICIENCY Coupé
603 mi
362 mi
Porsche Cayman S
Environmental Impact
139.9 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).
208.4 kWh
Mercedes E 350 CDI BlueEFFICIENCY Coupé
139.9 kWh
208.4 kWh
Porsche Cayman S
Euro 5
Emission Standard
Euro 4
288 g/mi (NEFZ)
CO2 Emissions
422 g/mi (NEFZ)
Practical Convenience
Mercedes E 350 CDI BlueEFFICIENCY Coupé
Porsche Cayman S
3
Doors
2
4
No. of Seats
2
992 lb
Maximum Payload
474 lb
12.7 cu ft
Trunk Volume
11.6 cu ft








No data
Cargo Volume (Seats Down)
No data