The Comparative Analysis :
Mercedes E 350 d Coupé 9G-TRONIC (15 - 16) vs. Porsche Cayman S (13 - 16)
€ 54,200

€ 64,100

€ 54,200
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 64,100
ⓘ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 d Coupé is 12.7 inches longer, 0.6 inches narrower and 4 inches taller than the Porsche Cayman S.
Mercedes E 350 d Coupé
Porsche Cayman S
55
70.3
79.4
51
70.9
77.9
70.3 in
Width
70.9 in
79.4 in
Width Incl. Mirrors
77.9 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 350 d Coupé
Porsche Cayman S
3935 lb
Curb Weight
3075 lb
4927 lb
Gross Vehicle
Weight
Weight
3671 lb

Weight Difference:
860 lb
21.85 %

General
Mercedes E 350 d Coupé
Porsche Cayman S
C207
Generation
981C
Coupe
Car Body Style
Coupe
Diesel
Fuel Type
Premium Unleaded

Rear-wheel drive
Drivetrain
Rear-wheel drive

9-speed automatic transmission
Transmission
6-speed manual transmission
Engine
Mercedes E 350 d 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 642.838
Engine Code

4
Valves
4
6
Cylinders
6
3 L / 147 cu in
Displacement
3.4 L / 166 cu in
254 hp
at 3400 rpm
Power
321 hp
at 7400 rpm
Mercedes E 350 d Coupé
254 hp
321 hp
Porsche Cayman S
457 lb‑ft
at 1600 rpm
Max. Torque
273 lb‑ft
at 4500 rpm
Mercedes E 350 d Coupé
457 lb‑ft
273 lb‑ft
Porsche Cayman S
Performance
Mercedes E 350 d Coupé
Porsche Cayman S
155 mph
Maximum Speed
176 mph
6.2 sec
Acceleration 0 to 62 mph
5 sec
62 mph
62
mph
mph
282 ft
0.000 sec

Mercedes E 350 d Coupé
62 mph
62
mph
mph
226 ft
0.000 sec

Porsche Cayman S
▶ REPLAY
15.49 lb/hp
Weight-to-Power Ratio
9.58 lb/hp
Mercedes E 350 d Coupé
15.49 lb/hp
9.58 lb/hp
Porsche Cayman S
Fuel Economy / Emissions
Mercedes E 350 d Coupé
Porsche Cayman S
Fuel Economy
47 mpg
combined
27 mpg
Mercedes E 350 d Coupé
47 mpg
27 mpg
Porsche Cayman S
39 mpg
city
19 mpg
52 mpg
highway
34 mpg
17.4 gal
Fuel Tank Capacity
16.9 gal
820 mi
Range
452 mi
Mercedes E 350 d Coupé
820 mi
452 mi
Porsche Cayman S
Environmental Impact
102.8 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).
166.7 kWh
Mercedes E 350 d Coupé
102.8 kWh
166.7 kWh
Porsche Cayman S
Euro 6b (NEFZ)
Emission Standard
Euro 5 / Euro 6
214 g/mi (NEFZ)
CO2 Emissions
332 g/mi (NEFZ)
Practical Convenience
Mercedes E 350 d Coupé
Porsche Cayman S
3
Doors
2
4
No. of Seats
2
992 lb
Maximum Payload
595 lb
12.7 cu ft
Trunk Volume
9.5 cu ft








No data
Cargo Volume (Seats Down)
No data