The Comparative Analysis :
Mercedes E 250 CGI BlueEFFICIENCY Coupé Automatic (09 - 11) vs. Porsche Cayman GT4 (15 - 16)
€ 46,100

€ 85,800

€ 46,100
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 85,800
ⓘ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 CGI BlueEFFICIENCY Coupé is 10.2 inches longer, 1.2 inches narrower and 5.2 inches taller than the Porsche Cayman GT4.
Mercedes E 250 CGI BlueEFFICIENCY Coupé
Porsche Cayman GT4
55
70.3
79.8
49.8
71.5
77.9
70.3 in
Width
71.5 in
79.8 in
Width Incl. Mirrors
77.9 in
55 in
Height
49.8 in
108.7
185
97.8
174.7
185 in
Length
174.7 in
108.7 in
Wheelbase
97.8 in
Vehicle Weight
Mercedes E 250 CGI BlueEFFICIENCY Coupé
Porsche Cayman GT4
3472 lb
Curb Weight
3120 lb
4508 lb
Gross Vehicle
Weight
Weight
3616 lb

Weight Difference:
353 lb
10.17 %

General
Mercedes E 250 CGI BlueEFFICIENCY Coupé
Porsche Cayman GT4
C207
Generation
981C
Coupe
Car Body Style
Coupe
Mid-Grade Unleaded
Fuel Type
Premium Unleaded

Rear-wheel drive
Drivetrain
Rear-wheel drive

5-speed automatic transmission
Transmission
6-speed manual transmission
Engine
Mercedes E 250 CGI BlueEFFICIENCY Coupé
Porsche Cayman GT4
Straight-four gasoline engine with turbocharger
Engine Type
6-cylinder boxer gasoline engine (naturally aspirated engine)
Mercedes-Benz M 271 EVO
Engine Series
M 271.860
Engine Code

4
Valves
4
4
Cylinders
6
1.8 L / 88 cu in
Displacement
3.8 L / 186 cu in
201 hp
at 5500 rpm
Power
380 hp
at 7400 rpm
Mercedes E 250 CGI BlueEFFICIENCY Coupé
201 hp
380 hp
Porsche Cayman GT4
229 lb‑ft
at 2000 rpm
Max. Torque
310 lb‑ft
at 4750 rpm
Mercedes E 250 CGI BlueEFFICIENCY Coupé
229 lb‑ft
310 lb‑ft
Porsche Cayman GT4
Performance
Mercedes E 250 CGI BlueEFFICIENCY Coupé
Porsche Cayman GT4
153 mph
Maximum Speed
183 mph
7.4 sec
Acceleration 0 to 62 mph
4.4 sec
62 mph
62
mph
mph
338 ft
0.000 sec

Mercedes E 250 CGI BlueEFFICIENCY Coupé
62 mph
62
mph
mph
200 ft
0.000 sec

Porsche Cayman GT4
▶ REPLAY
17.27 lb/hp
Weight-to-Power Ratio
8.21 lb/hp
Mercedes E 250 CGI BlueEFFICIENCY Coupé
17.27 lb/hp
8.21 lb/hp
Porsche Cayman GT4
Fuel Economy / Emissions
Mercedes E 250 CGI BlueEFFICIENCY Coupé
Porsche Cayman GT4
Fuel Economy
31 mpg
combined
23 mpg
Mercedes E 250 CGI BlueEFFICIENCY Coupé
31 mpg
23 mpg
Porsche Cayman GT4
22 mpg
city
16 mpg
41 mpg
highway
30 mpg
17.4 gal
Fuel Tank Capacity
14.3 gal
547 mi
Range
326 mi
Mercedes E 250 CGI BlueEFFICIENCY Coupé
547 mi
326 mi
Porsche Cayman GT4
Environmental Impact
142.1 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).
195.2 kWh
Mercedes E 250 CGI BlueEFFICIENCY Coupé
142.1 kWh
195.2 kWh
Porsche Cayman GT4
Euro 5
Emission Standard
Euro 6b (NEFZ)
282 g/mi (NEFZ)
CO2 Emissions
383 g/mi (NEFZ)
Practical Convenience
Mercedes E 250 CGI BlueEFFICIENCY Coupé
Porsche Cayman GT4
3
Doors
2
4
No. of Seats
2
1036 lb
Maximum Payload
496 lb
12.7 cu ft
Trunk Volume
12 cu ft









No data
Cargo Volume (Seats Down)
No data