The Comparative Analysis :
Porsche Cayman PDK (09 - 12) vs. Mercedes CLS Coupé 250 d 9G-TRONIC (15 - 17)
€ 53,700

€ 57,200

€ 53,700
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 57,200
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The Porsche Cayman is significantly smaller in every dimension. It's 23.2 inches shorter, 3.1 inches narrower and 4.5 inches lower than the Mercedes CLS Coupé 250 d.
Porsche Cayman
Mercedes CLS Coupé 250 d
51.3
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
51.3 in
Height
55.8 in
95.1
171.1
113.1
194.4
171.1 in
Length
194.4 in
95.1 in
Wheelbase
113.1 in
Vehicle Weight
Porsche Cayman
Mercedes CLS Coupé 250 d
3164 lb
Curb Weight
4001 lb
3682 lb
Gross Vehicle
Weight
Weight
5071 lb

Weight Difference:
838 lb
20.94 %

General
Porsche Cayman
Mercedes CLS Coupé 250 d
987C
Generation
C218
Coupe
Car Body Style
Coupe
Premium Unleaded
Fuel Type
Diesel

Rear-wheel drive
Drivetrain
Rear-wheel drive

7-speed dual clutch transmission
Transmission
9-speed automatic transmission
Engine
Porsche Cayman
Mercedes CLS Coupé 250 d
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
2.9 L / 142 cu in
Displacement
2.1 L / 103 cu in
261 hp
at 7200 rpm
Power
201 hp
at 3800 rpm
Porsche Cayman
261 hp
201 hp
Mercedes CLS Coupé 250 d
221 lb‑ft
at 4400 rpm
Max. Torque
369 lb‑ft
at 1600 rpm
Porsche Cayman
221 lb‑ft
369 lb‑ft
Mercedes CLS Coupé 250 d
Performance
Porsche Cayman
Mercedes CLS Coupé 250 d
163 mph
Maximum Speed
150 mph
5.7 sec
Acceleration 0 to 62 mph
7.5 sec
62 mph
62
mph
mph
259 ft
0.000 sec

Porsche Cayman
62 mph
62
mph
mph
341 ft
0.000 sec

Mercedes CLS Coupé 250 d
▶ REPLAY
12.12 lb/hp
Weight-to-Power Ratio
19.91 lb/hp
Porsche Cayman
12.12 lb/hp
19.91 lb/hp
Mercedes CLS Coupé 250 d
Fuel Economy / Emissions
Porsche Cayman
Mercedes CLS Coupé 250 d
Fuel Economy
26 mpg
combined
51 mpg
Porsche Cayman
26 mpg
51 mpg
Mercedes CLS Coupé 250 d
17 mpg
city
43 mpg
36 mpg
highway
57 mpg
17.2 gal
Fuel Tank Capacity
15.6 gal
444 mi
Range
797 mi
Porsche Cayman
444 mi
797 mi
Mercedes CLS Coupé 250 d
Environmental Impact
172.4 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
172.4 kWh
94.6 kWh
Mercedes CLS Coupé 250 d
Euro 5
Emission Standard
Euro 6b (NEFZ)
344 g/mi (NEFZ)
CO2 Emissions
193 g/mi (NEFZ)
Practical Convenience
Porsche Cayman
Mercedes CLS Coupé 250 d
2
Doors
4
2
No. of Seats
4
518 lb
Maximum Payload
1069 lb
11.6 cu ft
Trunk Volume
13.5 cu ft









No data
Cargo Volume (Seats Down)
No data