The Comparative Analysis :
Mercedes E 250 CDI BlueEFFICIENCY Coupé Automatic (09 - 11) vs. Porsche Cayman R (11 - 12)
€ 48,100

€ 69,800

€ 48,100
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 dimensions of these vehicles differ considerably. The Mercedes E 250 CDI BlueEFFICIENCY Coupé is 13.8 inches longer, 0.6 inches narrower and 4.4 inches taller than the Porsche Cayman R.
Mercedes E 250 CDI BlueEFFICIENCY Coupé
Porsche Cayman R
55
70.3
79.8
50.6
70.9
77.9
70.3 in
Width
70.9 in
79.8 in
Width Incl. Mirrors
77.9 in
55 in
Height
50.6 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 250 CDI BlueEFFICIENCY Coupé
Porsche Cayman R
3726 lb
Curb Weight
3020 lb
4762 lb
Gross Vehicle
Weight
Weight
3571 lb

Weight Difference:
705 lb
18.92 %

General
Mercedes E 250 CDI BlueEFFICIENCY Coupé
Porsche Cayman R
C207
Generation
987C
Coupe
Car Body Style
Coupe
Diesel
Fuel Type
Premium Unleaded

Rear-wheel drive
Drivetrain
Rear-wheel drive

5-speed automatic transmission
Transmission
6-speed manual transmission
Engine
Mercedes E 250 CDI BlueEFFICIENCY Coupé
Porsche Cayman R
Straight-four diesel engine with two turbochargers (biturbo)
Engine Type
6-cylinder boxer gasoline engine (naturally aspirated engine)
Mercedes-Benz OM 651
Engine Series
OM 651.911
Engine Code

4
Valves
4
4
Cylinders
6
2.1 L / 103 cu in
Displacement
3.4 L / 166 cu in
201 hp
at 4200 rpm
Power
325 hp
at 7400 rpm
Mercedes E 250 CDI BlueEFFICIENCY Coupé
201 hp
325 hp
Porsche Cayman R
369 lb‑ft
at 1600 rpm
Max. Torque
273 lb‑ft
at 4750 rpm
Mercedes E 250 CDI BlueEFFICIENCY Coupé
369 lb‑ft
273 lb‑ft
Porsche Cayman R
Performance
Mercedes E 250 CDI BlueEFFICIENCY Coupé
Porsche Cayman R
155 mph
Maximum Speed
175 mph
7.4 sec
Acceleration 0 to 62 mph
5 sec
62 mph
62
mph
mph
338 ft
0.000 sec

Mercedes E 250 CDI BlueEFFICIENCY Coupé
62 mph
62
mph
mph
226 ft
0.000 sec

Porsche Cayman R
▶ REPLAY
18.54 lb/hp
Weight-to-Power Ratio
9.29 lb/hp
Mercedes E 250 CDI BlueEFFICIENCY Coupé
18.54 lb/hp
9.29 lb/hp
Porsche Cayman R
Fuel Economy / Emissions
Mercedes E 250 CDI BlueEFFICIENCY Coupé
Porsche Cayman R
Fuel Economy
41 mpg
combined
24 mpg
Mercedes E 250 CDI BlueEFFICIENCY Coupé
41 mpg
24 mpg
Porsche Cayman R
29 mpg
city
17 mpg
52 mpg
highway
33 mpg
17.4 gal
Fuel Tank Capacity
14.3 gal
707 mi
Range
346 mi
Mercedes E 250 CDI BlueEFFICIENCY Coupé
707 mi
346 mi
Porsche Cayman R
Environmental Impact
119.3 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 250 CDI BlueEFFICIENCY Coupé
119.3 kWh
183.8 kWh
Porsche Cayman R
Euro 5
Emission Standard
Euro 5
240 g/mi (NEFZ)
CO2 Emissions
367 g/mi (NEFZ)
Practical Convenience
Mercedes E 250 CDI BlueEFFICIENCY Coupé
Porsche Cayman R
3
Doors
2
4
No. of Seats
2
1036 lb
Maximum Payload
551 lb
12.7 cu ft
Trunk Volume
11.6 cu ft








No data
Cargo Volume (Seats Down)
No data