The Comparative Analysis :
Porsche Cayman S Tiptronic (05 - 09) vs. Mercedes CLS Coupé 220 BlueTEC 9G-TRONIC (14 - 15)
€ 62,900

€ 54,500

€ 62,900
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 54,500
ⓘ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 23.5 inches shorter, 3.1 inches narrower and 4.4 inches lower than the Mercedes CLS Coupé 220 BlueTEC.
Porsche Cayman S
Mercedes CLS Coupé 220 BlueTEC
51.4
70.9
77.9
55.8
74.1
81.7
70.9 in
Width
74.1 in
77.9 in
Width Incl. Mirrors
81.7 in
51.4 in
Height
55.8 in
95.1
170.9
113.1
194.4
170.9 in
Length
194.4 in
95.1 in
Wheelbase
113.1 in
Vehicle Weight
Porsche Cayman S
Mercedes CLS Coupé 220 BlueTEC
3208 lb
Curb Weight
3946 lb
3682 lb
Gross Vehicle
Weight
Weight
5016 lb

Weight Difference:
739 lb
18.73 %

General
Porsche Cayman S
Mercedes CLS Coupé 220 BlueTEC
987C
Generation
C218
Coupe
Car Body Style
Coupe
Premium Unleaded
Fuel Type
Diesel

Rear-wheel drive
Drivetrain
Rear-wheel drive

5-speed automatic transmission
Transmission
9-speed automatic transmission
Engine
Porsche Cayman S
Mercedes CLS Coupé 220 BlueTEC
6-cylinder boxer gasoline engine (naturally aspirated engine)
Engine Type
Straight-four diesel engine with two turbochargers (biturbo)
Engine Series
Mercedes-Benz OM 651
Engine Code
OM 651.924

4
Valves
4
6
Cylinders
4
3.4 L / 166 cu in
Displacement
2.1 L / 103 cu in
291 hp
at 6250 rpm
Power
168 hp
at 3000 rpm
Porsche Cayman S
291 hp
168 hp
Mercedes CLS Coupé 220 BlueTEC
251 lb‑ft
at 4400 rpm
Max. Torque
295 lb‑ft
at 1400 rpm
Porsche Cayman S
251 lb‑ft
295 lb‑ft
Mercedes CLS Coupé 220 BlueTEC
Performance
Porsche Cayman S
Mercedes CLS Coupé 220 BlueTEC
166 mph
Maximum Speed
140 mph
6.1 sec
Acceleration 0 to 62 mph
8.3 sec
62 mph
62
mph
mph
279 ft
0.000 sec

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

Mercedes CLS Coupé 220 BlueTEC
▶ REPLAY
11.02 lb/hp
Weight-to-Power Ratio
23.49 lb/hp
Porsche Cayman S
11.02 lb/hp
23.49 lb/hp
Mercedes CLS Coupé 220 BlueTEC
Fuel Economy / Emissions
Porsche Cayman S
Mercedes CLS Coupé 220 BlueTEC
Fuel Economy
21 mpg
combined
51 mpg
Porsche Cayman S
21 mpg
51 mpg
Mercedes CLS Coupé 220 BlueTEC
14 mpg
city
43 mpg
30 mpg
highway
57 mpg
16.9 gal
Fuel Tank Capacity
15.6 gal
362 mi
Range
797 mi
Porsche Cayman S
362 mi
797 mi
Mercedes CLS Coupé 220 BlueTEC
Environmental Impact
208.4 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).
94.6 kWh
Porsche Cayman S
208.4 kWh
94.6 kWh
Mercedes CLS Coupé 220 BlueTEC
Euro 4
Emission Standard
Euro 6b (NEFZ)
422 g/mi (NEFZ)
CO2 Emissions
196 g/mi (NEFZ)
Practical Convenience
Porsche Cayman S
Mercedes CLS Coupé 220 BlueTEC
2
Doors
4
2
No. of Seats
4
474 lb
Maximum Payload
1069 lb
11.6 cu ft
Trunk Volume
13.5 cu ft









No data
Cargo Volume (Seats Down)
No data