The Comparative Analysis :
Mercedes E 250 d Coupé (15 - 16) vs. Porsche 718 Cayman S PDK (16 - 18)
€ 48,400

€ 68,000

€ 48,400
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 68,000
ⓘ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 d Coupé is 12.8 inches longer, 0.6 inches narrower and 4 inches taller than the Porsche 718 Cayman S.
Mercedes E 250 d Coupé
Porsche 718 Cayman S
55
70.3
79.4
51
70.9
78.5
70.3 in
Width
70.9 in
79.4 in
Width Incl. Mirrors
78.5 in
55 in
Height
51 in
108.7
185.2
97.4
172.4
185.2 in
Length
172.4 in
108.7 in
Wheelbase
97.4 in
Vehicle Weight
Mercedes E 250 d Coupé
Porsche 718 Cayman S
3825 lb
Curb Weight
3219 lb
4861 lb
Gross Vehicle
Weight
Weight
3737 lb

Weight Difference:
606 lb
15.84 %

General
Mercedes E 250 d Coupé
Porsche 718 Cayman S
C207
Generation
982C
Coupe
Car Body Style
Coupe
Diesel
Fuel Type
Premium Unleaded

Rear-wheel drive
Drivetrain
Rear-wheel drive

6-speed manual transmission
Transmission
7-speed dual clutch transmission
Engine
Mercedes E 250 d Coupé
Porsche 718 Cayman S
Straight-four diesel engine with two turbochargers (biturbo)
Engine Type
4-cylinder boxer gasoline engine with turbocharger
Mercedes-Benz OM 651
Engine Series
OM 651.911
Engine Code

4
Valves
4
4
Cylinders
4
2.1 L / 103 cu in
Displacement
2.5 L / 122 cu in
201 hp
at 3800 rpm
Power
345 hp
at 6500 rpm
Mercedes E 250 d Coupé
201 hp
345 hp
Porsche 718 Cayman S
369 lb‑ft
at 1600 rpm
Max. Torque
310 lb‑ft
at 1900 rpm
Mercedes E 250 d Coupé
369 lb‑ft
310 lb‑ft
Porsche 718 Cayman S
Performance
Mercedes E 250 d Coupé
Porsche 718 Cayman S
155 mph
Maximum Speed
177 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 d Coupé
62 mph
62
mph
mph
200 ft
0.000 sec

Porsche 718 Cayman S
▶ REPLAY
19.03 lb/hp
Weight-to-Power Ratio
9.33 lb/hp
Mercedes E 250 d Coupé
19.03 lb/hp
9.33 lb/hp
Porsche 718 Cayman S
Fuel Economy / Emissions
Mercedes E 250 d Coupé
Porsche 718 Cayman S
Fuel Economy
53 mpg
combined
32 mpg
Mercedes E 250 d Coupé
53 mpg
32 mpg
Porsche 718 Cayman S
43 mpg
city
25 mpg
62 mpg
highway
39 mpg
17.4 gal
Fuel Tank Capacity
16.9 gal
932 mi
Range
545 mi
Mercedes E 250 d Coupé
932 mi
545 mi
Porsche 718 Cayman S
Environmental Impact
90.4 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).
138.2 kWh
Mercedes E 250 d Coupé
90.4 kWh
138.2 kWh
Porsche 718 Cayman S
Euro 6b (NEFZ)
Emission Standard
Euro 6c (NEFZ) 36ZA-ZF
187 g/mi (NEFZ)
CO2 Emissions
269 g/mi (NEFZ)
Practical Convenience
Mercedes E 250 d Coupé
Porsche 718 Cayman S
3
Doors
2
4
No. of Seats
2
1036 lb
Maximum Payload
518 lb
12.7 cu ft
Trunk Volume
12 cu ft









No data
Cargo Volume (Seats Down)
No data