The Comparative Analysis :
Porsche Cayman S Sport (08 - 09) vs. Mercedes CLS Coupé 350 CDI 4MATIC 7G-TRONIC PLUS (11 - 14)
€ 69,900

€ 66,500

€ 69,900
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 66,500
ⓘ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 23.6 inches shorter, 3.1 inches narrower and 4.7 inches lower than the Mercedes CLS Coupé 350 CDI.
Porsche Cayman S
Mercedes CLS Coupé 350 CDI
51
70.9
77.9
55.7
74.1
81.7
70.9 in
Width
74.1 in
77.9 in
Width Incl. Mirrors
81.7 in
51 in
Height
55.7 in
95.1
170.9
113.1
194.5
170.9 in
Length
194.5 in
95.1 in
Wheelbase
113.1 in
Vehicle Weight
Porsche Cayman S
Mercedes CLS Coupé 350 CDI
3120 lb
Curb Weight
4134 lb
3594 lb
Gross Vehicle
Weight
Weight
5203 lb

Weight Difference:
1014 lb
24.53 %

General
Porsche Cayman S
Mercedes CLS Coupé 350 CDI
987C
Generation
C218
Coupe
Car Body Style
Coupe
Premium Unleaded
Fuel Type
Diesel

Rear-wheel drive
Drivetrain
Permanent all-wheel drive (AWD)

6-speed manual transmission
Transmission
7-speed automatic transmission
Engine
Porsche Cayman S
Mercedes CLS Coupé 350 CDI
6-cylinder boxer gasoline engine (naturally aspirated engine)
Engine Type
V6 diesel engine with turbocharger
Engine Series
Mercedes-Benz OM 642
Engine Code
OM 642.858

4
Valves
4
6
Cylinders
6
3.4 L / 166 cu in
Displacement
3 L / 147 cu in
299 hp
at 6250 rpm
Power
261 hp
at 3800 rpm
Porsche Cayman S
299 hp
261 hp
Mercedes CLS Coupé 350 CDI
251 lb‑ft
at 4400 rpm
Max. Torque
457 lb‑ft
at 1600 rpm
Porsche Cayman S
251 lb‑ft
457 lb‑ft
Mercedes CLS Coupé 350 CDI
Performance
Porsche Cayman S
Mercedes CLS Coupé 350 CDI
171 mph
Maximum Speed
155 mph
5.4 sec
Acceleration 0 to 62 mph
6.4 sec
62 mph
62
mph
mph
246 ft
0.000 sec

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

Mercedes CLS Coupé 350 CDI
▶ REPLAY
10.43 lb/hp
Weight-to-Power Ratio
15.84 lb/hp
Porsche Cayman S
10.43 lb/hp
15.84 lb/hp
Mercedes CLS Coupé 350 CDI
Fuel Economy / Emissions
Porsche Cayman S
Mercedes CLS Coupé 350 CDI
Fuel Economy
22 mpg
combined
35 mpg
Porsche Cayman S
22 mpg
35 mpg
Mercedes CLS Coupé 350 CDI
15 mpg
city
27 mpg
30 mpg
highway
42 mpg
16.9 gal
Fuel Tank Capacity
15.6 gal
375 mi
Range
547 mi
Porsche Cayman S
375 mi
547 mi
Mercedes CLS Coupé 350 CDI
Environmental Impact
200.8 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).
137.9 kWh
Porsche Cayman S
200.8 kWh
137.9 kWh
Mercedes CLS Coupé 350 CDI
Euro 4
Emission Standard
Euro 5
409 g/mi (NEFZ)
CO2 Emissions
285 g/mi (NEFZ)
Practical Convenience
Porsche Cayman S
Mercedes CLS Coupé 350 CDI
2
Doors
4
2
No. of Seats
4
474 lb
Maximum Payload
1069 lb
11.6 cu ft
Trunk Volume
14.7 cu ft









No data
Cargo Volume (Seats Down)
No data