The Comparative Analysis :
Mercedes E 500 BlueEFFICIENCY Coupé 7G-TRONIC (11 - 13) vs. Porsche 718 Cayman GTS PDK (17 - 18)
€ 70,100

€ 79,400

€ 70,100
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 79,400
ⓘ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 12 inches longer, 0.6 inches narrower and 4.4 inches taller than the Porsche 718 Cayman GTS.
Mercedes E 500 BlueEFFICIENCY Coupé
Porsche 718 Cayman GTS
55
70.3
79.8
50.6
70.9
78.5
70.3 in
Width
70.9 in
79.8 in
Width Incl. Mirrors
78.5 in
55 in
Height
50.6 in
108.7
185
97.4
173
185 in
Length
173 in
108.7 in
Wheelbase
97.4 in
Vehicle Weight
Mercedes E 500 BlueEFFICIENCY Coupé
Porsche 718 Cayman GTS
3957 lb
Curb Weight
3263 lb
4960 lb
Gross Vehicle
Weight
Weight
3759 lb

Weight Difference:
694 lb
17.54 %

General
Mercedes E 500 BlueEFFICIENCY Coupé
Porsche 718 Cayman GTS
C207
Generation
982C
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 718 Cayman GTS
V8 gasoline engine with two turbochargers (biturbo)
Engine Type
4-cylinder boxer gasoline engine with turbocharger
Mercedes-Benz M 278
Engine Series
M 278.922
Engine Code

4
Valves
4
8
Cylinders
4
4.7 L / 230 cu in
Displacement
2.5 L / 122 cu in
402 hp
at 5000 rpm
Power
360 hp
at 6500 rpm
Mercedes E 500 BlueEFFICIENCY Coupé
402 hp
360 hp
Porsche 718 Cayman GTS
443 lb‑ft
at 1600 rpm
Max. Torque
317 lb‑ft
at 1900 rpm
Mercedes E 500 BlueEFFICIENCY Coupé
443 lb‑ft
317 lb‑ft
Porsche 718 Cayman GTS
Performance
Mercedes E 500 BlueEFFICIENCY Coupé
Porsche 718 Cayman GTS
155 mph
Maximum Speed
180 mph
5.1 sec
Acceleration 0 to 62 mph
4.3 sec
62 mph
62
mph
mph
233 ft
0.000 sec

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

Porsche 718 Cayman GTS
▶ REPLAY
9.84 lb/hp
Weight-to-Power Ratio
9.06 lb/hp
Mercedes E 500 BlueEFFICIENCY Coupé
9.84 lb/hp
9.06 lb/hp
Porsche 718 Cayman GTS
Fuel Economy / Emissions
Mercedes E 500 BlueEFFICIENCY Coupé
Porsche 718 Cayman GTS
Fuel Economy
26 mpg
combined
29 mpg
Mercedes E 500 BlueEFFICIENCY Coupé
26 mpg
29 mpg
Porsche 718 Cayman GTS
19 mpg
city
22 mpg
35 mpg
highway
36 mpg
17.4 gal
Fuel Tank Capacity
16.9 gal
461 mi
Range
485 mi
Mercedes E 500 BlueEFFICIENCY Coupé
461 mi
485 mi
Porsche 718 Cayman GTS
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).
155.3 kWh
Mercedes E 500 BlueEFFICIENCY Coupé
168.7 kWh
155.3 kWh
Porsche 718 Cayman GTS
Euro 5
Emission Standard
Euro 6c (NEFZ) 36ZA-ZF
336 g/mi (NEFZ)
CO2 Emissions
299 g/mi (NEFZ)
Practical Convenience
Mercedes E 500 BlueEFFICIENCY Coupé
Porsche 718 Cayman GTS
3
Doors
2
4
No. of Seats
2
1003 lb
Maximum Payload
496 lb
12.7 cu ft
Trunk Volume
12 cu ft









No data
Cargo Volume (Seats Down)
No data