The Comparative Analysis :
Porsche Cayman S (13 - 16) vs. Mercedes E 350 d Coupé 9G-TRONIC (18 - ..)
€ 64,100

€ 58,000

€ 64,100
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 58,000
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The Porsche Cayman S is significantly smaller in every dimension. It's 17.6 inches shorter, 2.3 inches narrower and 5.3 inches lower than the Mercedes E 350 d Coupé.
Porsche Cayman S
Mercedes E 350 d Coupé
51
70.9
77.9
56.3
73.2
80.9
70.9 in
Width
73.2 in
77.9 in
Width Incl. Mirrors
80.9 in
51 in
Height
56.3 in
97.4
172.4
113.1
190
172.4 in
Length
190 in
97.4 in
Wheelbase
113.1 in
Vehicle Weight
Porsche Cayman S
Mercedes E 350 d Coupé
3075 lb
Curb Weight
4112 lb
3671 lb
Gross Vehicle
Weight
Weight
5214 lb

Weight Difference:
1036 lb
25.2 %

General
Porsche Cayman S
Mercedes E 350 d Coupé
981C
Generation
C238
Coupe
Car Body Style
Coupe
Premium Unleaded
Fuel Type
Diesel

Rear-wheel drive
Drivetrain
Rear-wheel drive

6-speed manual transmission
Transmission
9-speed automatic transmission
Engine
Porsche Cayman S
Mercedes E 350 d Coupé
6-cylinder boxer gasoline engine (naturally aspirated engine)
Engine Type
Straight-six diesel engine with two turbochargers (biturbo)
Engine Series
Mercedes-Benz OM 656
Engine Code
OM 656.929

4
Valves
4
6
Cylinders
6
3.4 L / 166 cu in
Displacement
2.9 L / 142 cu in
321 hp
at 7400 rpm
Power
282 hp
at 3400 rpm
Porsche Cayman S
321 hp
282 hp
Mercedes E 350 d Coupé
273 lb‑ft
at 4500 rpm
Max. Torque
443 lb‑ft
at 1200 rpm
Porsche Cayman S
273 lb‑ft
443 lb‑ft
Mercedes E 350 d Coupé
Performance
Porsche Cayman S
Mercedes E 350 d Coupé
176 mph
Maximum Speed
155 mph
5 sec
Acceleration 0 to 62 mph
5.9 sec
62 mph
62
mph
mph
226 ft
0.000 sec

Porsche Cayman S
62 mph
62
mph
mph
269 ft
0.000 sec

Mercedes E 350 d Coupé
▶ REPLAY
9.58 lb/hp
Weight-to-Power Ratio
14.58 lb/hp
Porsche Cayman S
9.58 lb/hp
14.58 lb/hp
Mercedes E 350 d Coupé
Fuel Economy / Emissions
Porsche Cayman S
Mercedes E 350 d Coupé
Fuel Economy
27 mpg
combined
44 mpg
Porsche Cayman S
27 mpg
44 mpg
Mercedes E 350 d Coupé
19 mpg
city
37 mpg
34 mpg
highway
49 mpg
16.9 gal
Fuel Tank Capacity
13.2 gal
452 mi
Range
575 mi
Porsche Cayman S
452 mi
575 mi
Mercedes E 350 d Coupé
Environmental Impact
166.7 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).
111 kWh
Porsche Cayman S
166.7 kWh
111 kWh
Mercedes E 350 d Coupé
Euro 5 / Euro 6
Emission Standard
Euro 6d-TEMP
332 g/mi (NEFZ)
CO2 Emissions
257 g/mi (WLTP)
Practical Convenience
Porsche Cayman S
Mercedes E 350 d Coupé
2
Doors
3
2
No. of Seats
4
595 lb
Maximum Payload
1102 lb
9.5 cu ft
Trunk Volume
12 cu ft









No data
Cargo Volume (Seats Down)
No data