The Comparative Analysis :
Porsche Cayman (09 - 12) vs. Mercedes CLS Coupé 400 4MATIC 7G-TRONIC PLUS (14 - 17)
€ 50,800

€ 66,200

€ 50,800
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 66,200
ⓘ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 400.
Porsche Cayman
Mercedes CLS Coupé 400
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 400
3097 lb
Curb Weight
4045 lb
3605 lb
Gross Vehicle
Weight
Weight
5115 lb

Weight Difference:
948 lb
23.43 %

General
Porsche Cayman
Mercedes CLS Coupé 400
987C
Generation
C218
Coupe
Car Body Style
Coupe
Premium Unleaded
Fuel Type
Mid-Grade Unleaded

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

6-speed manual transmission
Transmission
7-speed automatic transmission
Engine
Porsche Cayman
Mercedes CLS Coupé 400
6-cylinder boxer gasoline engine (naturally aspirated engine)
Engine Type
V6 gasoline engine with two turbochargers (biturbo)
Engine Series
Mercedes-Benz M 276
Engine Code
M 276.850

4
Valves
4
6
Cylinders
6
2.9 L / 142 cu in
Displacement
3.5 L / 171 cu in
261 hp
at 7200 rpm
Power
328 hp
at 5250 rpm
Porsche Cayman
261 hp
328 hp
Mercedes CLS Coupé 400
221 lb‑ft
at 4400 rpm
Max. Torque
354 lb‑ft
at 1200 rpm
Porsche Cayman
221 lb‑ft
354 lb‑ft
Mercedes CLS Coupé 400
Performance
Porsche Cayman
Mercedes CLS Coupé 400
165 mph
Maximum Speed
155 mph
5.8 sec
Acceleration 0 to 62 mph
5.3 sec
62 mph
62
mph
mph
266 ft
0.000 sec

Porsche Cayman
62 mph
62
mph
mph
243 ft
0.000 sec

Mercedes CLS Coupé 400
▶ REPLAY
11.87 lb/hp
Weight-to-Power Ratio
12.33 lb/hp
Porsche Cayman
11.87 lb/hp
12.33 lb/hp
Mercedes CLS Coupé 400
Fuel Economy / Emissions
Porsche Cayman
Mercedes CLS Coupé 400
Fuel Economy
25 mpg
combined
30 mpg
Porsche Cayman
25 mpg
30 mpg
Mercedes CLS Coupé 400
17 mpg
city
23 mpg
34 mpg
highway
38 mpg
17.2 gal
Fuel Tank Capacity
15.6 gal
429 mi
Range
470 mi
Porsche Cayman
429 mi
470 mi
Mercedes CLS Coupé 400
Environmental Impact
178.2 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).
147.7 kWh
Porsche Cayman
178.2 kWh
147.7 kWh
Mercedes CLS Coupé 400
Euro 5
Emission Standard
Euro 6b (NEFZ)
356 g/mi (NEFZ)
CO2 Emissions
288 g/mi (NEFZ)
Practical Convenience
Porsche Cayman
Mercedes CLS Coupé 400
2
Doors
4
2
No. of Seats
4
507 lb
Maximum Payload
1069 lb
11.6 cu ft
Trunk Volume
13.5 cu ft









No data
Cargo Volume (Seats Down)
No data