The Comparative Analysis :
Mercedes CLS Coupé 400 7G-TRONIC PLUS (14 - 16) vs. Porsche Cayman R PDK (11 - 12)
€ 63,300

€ 73,000

€ 63,300
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 73,000
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The Mercedes CLS Coupé 400 is significantly bigger in every dimension. It's 23.2 inches longer, 3.1 inches wider and 5.2 inches taller than the Porsche Cayman R.
Mercedes CLS Coupé 400
Porsche Cayman R
55.8
74.1
81.7
50.6
70.9
77.9
74.1 in
Width
70.9 in
81.7 in
Width Incl. Mirrors
77.9 in
55.8 in
Height
50.6 in
113.1
194.4
95.1
171.1
194.4 in
Length
171.1 in
113.1 in
Wheelbase
95.1 in
Vehicle Weight
Mercedes CLS Coupé 400
Porsche Cayman R
3913 lb
Curb Weight
3075 lb
4982 lb
Gross Vehicle
Weight
Weight
3627 lb

Weight Difference:
838 lb
21.41 %

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

Rear-wheel drive
Drivetrain
Rear-wheel drive

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

4
Valves
4
6
Cylinders
6
3.5 L / 171 cu in
Displacement
3.4 L / 166 cu in
328 hp
at 5250 rpm
Power
325 hp
at 7400 rpm
Mercedes CLS Coupé 400
328 hp
325 hp
Porsche Cayman R
354 lb‑ft
at 1200 rpm
Max. Torque
273 lb‑ft
at 4750 rpm
Mercedes CLS Coupé 400
354 lb‑ft
273 lb‑ft
Porsche Cayman R
Performance
Mercedes CLS Coupé 400
Porsche Cayman R
155 mph
Maximum Speed
174 mph
5.3 sec
Acceleration 0 to 62 mph
4.9 sec
62 mph
62
mph
mph
243 ft
0.000 sec

Mercedes CLS Coupé 400
62 mph
62
mph
mph
223 ft
0.000 sec

Porsche Cayman R
▶ REPLAY
11.93 lb/hp
Weight-to-Power Ratio
9.46 lb/hp
Mercedes CLS Coupé 400
11.93 lb/hp
9.46 lb/hp
Porsche Cayman R
Fuel Economy / Emissions
Mercedes CLS Coupé 400
Porsche Cayman R
Fuel Economy
33 mpg
combined
25 mpg
Mercedes CLS Coupé 400
33 mpg
25 mpg
Porsche Cayman R
25 mpg
city
17 mpg
42 mpg
highway
36 mpg
15.6 gal
Fuel Tank Capacity
14.3 gal
516 mi
Range
361 mi
Mercedes CLS Coupé 400
516 mi
361 mi
Porsche Cayman R
Environmental Impact
134.5 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).
176.2 kWh
Mercedes CLS Coupé 400
134.5 kWh
176.2 kWh
Porsche Cayman R
Euro 6b (NEFZ)
Emission Standard
Euro 5
264 g/mi (NEFZ)
CO2 Emissions
351 g/mi (NEFZ)
Practical Convenience
Mercedes CLS Coupé 400
Porsche Cayman R
4
Doors
2
4
No. of Seats
2
1069 lb
Maximum Payload
551 lb
13.5 cu ft
Trunk Volume
11.6 cu ft









No data
Cargo Volume (Seats Down)
No data