The Comparative Analysis :
Porsche Cayman S PDK (13 - 16) vs. Mercedes CLS Coupé 350 9G-TRONIC (19 - ..)
€ 66,900

€ 63,500

€ 66,900
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 63,500
ⓘ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 23.9 inches shorter, 3.5 inches narrower and 5.5 inches lower than the Mercedes CLS Coupé 350.
Porsche Cayman S
Mercedes CLS Coupé 350
51
70.9
77.9
56.5
74.4
81.5
70.9 in
Width
74.4 in
77.9 in
Width Incl. Mirrors
81.5 in
51 in
Height
56.5 in
97.4
172.4
115.7
196.4
172.4 in
Length
196.4 in
97.4 in
Wheelbase
115.7 in
Vehicle Weight
Porsche Cayman S
Mercedes CLS Coupé 350
3142 lb
Curb Weight
3891 lb
3737 lb
Gross Vehicle
Weight
Weight
5313 lb

Weight Difference:
750 lb
19.27 %

General
Porsche Cayman S
Mercedes CLS Coupé 350
981C
Generation
C257
Coupe
Car Body Style
Coupe
Premium Unleaded
Fuel Type
Mid-Grade Unleaded

Rear-wheel drive
Drivetrain
Rear-wheel drive

7-speed dual clutch transmission
Transmission
9-speed automatic transmission
Engine
Porsche Cayman S
Mercedes CLS Coupé 350
6-cylinder boxer gasoline engine (naturally aspirated engine)
Engine Type
4-cylinder mild hybrid gasoline engine with turbocharger
Engine Series
Mercedes-Benz M 264
Engine Code
M 264.920

4
Valves
4
6
Cylinders
4
3.4 L / 166 cu in
Displacement
2 L / 98 cu in
321 hp
at 7400 rpm
Power
309 hp
at 5500 rpm
Porsche Cayman S
321 hp
309 hp
Mercedes CLS Coupé 350
273 lb‑ft
at 4500 rpm
Max. Torque
295 lb‑ft
at 3000 rpm
Porsche Cayman S
273 lb‑ft
295 lb‑ft
Mercedes CLS Coupé 350
Performance
Porsche Cayman S
Mercedes CLS Coupé 350
175 mph
Maximum Speed
155 mph
4.9 sec
Acceleration 0 to 62 mph
6.1 sec
62 mph
62
mph
mph
223 ft
0.000 sec

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

Mercedes CLS Coupé 350
▶ REPLAY
9.79 lb/hp
Weight-to-Power Ratio
12.59 lb/hp
Porsche Cayman S
9.79 lb/hp
12.59 lb/hp
Mercedes CLS Coupé 350
Fuel Economy / Emissions
Porsche Cayman S
Mercedes CLS Coupé 350
Fuel Economy
29 mpg
combined
34 mpg
Porsche Cayman S
29 mpg
34 mpg
Mercedes CLS Coupé 350
21 mpg
city
26 mpg
38 mpg
highway
42 mpg
16.9 gal
Fuel Tank Capacity
17.4 gal
497 mi
Range
595 mi
Porsche Cayman S
497 mi
595 mi
Mercedes CLS Coupé 350
Environmental Impact
151.6 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).
130.7 kWh
Porsche Cayman S
151.6 kWh
130.7 kWh
Mercedes CLS Coupé 350
Euro 5 / Euro 6
Emission Standard
Euro 6d-TEMP-EVAP-ISC (WLTP) 36CH, 36CI, 36DG
303 g/mi (NEFZ)
CO2 Emissions
285 g/mi (WLTP)
Practical Convenience
Porsche Cayman S
Mercedes CLS Coupé 350
2
Doors
4
2
No. of Seats
5
595 lb
Maximum Payload
1422 lb
9.5 cu ft
Trunk Volume
14.7 cu ft









No data
Cargo Volume (Seats Down)
No data