The Comparative Analysis :
Mercedes CLS Coupé 350 7G-TRONIC PLUS (10 - 14) vs. Porsche Cayman R (11 - 12)
€ 64,900

€ 69,800

€ 64,900
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 69,800
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The Mercedes CLS Coupé 350 is significantly bigger in every dimension. It's 23.3 inches longer, 3.1 inches wider and 5.1 inches taller than the Porsche Cayman R.
Mercedes CLS Coupé 350
Porsche Cayman R
55.7
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
55.7 in
Height
50.6 in
113.1
194.5
95.1
171.1
194.5 in
Length
171.1 in
113.1 in
Wheelbase
95.1 in
Vehicle Weight
Mercedes CLS Coupé 350
Porsche Cayman R
3825 lb
Curb Weight
3020 lb
4894 lb
Gross Vehicle
Weight
Weight
3571 lb

Weight Difference:
805 lb
21.05 %

General
Mercedes CLS Coupé 350
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
6-speed manual transmission
Engine
Mercedes CLS Coupé 350
Porsche Cayman R
V6 gasoline engine (naturally aspirated engine)
Engine Type
6-cylinder boxer gasoline engine (naturally aspirated engine)
Mercedes-Benz M 276
Engine Series
M 276.952
Engine Code

4
Valves
4
6
Cylinders
6
3.5 L / 171 cu in
Displacement
3.4 L / 166 cu in
302 hp
at 6500 rpm
Power
325 hp
at 7400 rpm
Mercedes CLS Coupé 350
302 hp
325 hp
Porsche Cayman R
273 lb‑ft
at 3500 rpm
Max. Torque
273 lb‑ft
at 4750 rpm
Mercedes CLS Coupé 350
273 lb‑ft
273 lb‑ft
Porsche Cayman R
Performance
Mercedes CLS Coupé 350
Porsche Cayman R
155 mph
Maximum Speed
175 mph
6.1 sec
Acceleration 0 to 62 mph
5 sec
62 mph
62
mph
mph
279 ft
0.000 sec

Mercedes CLS Coupé 350
62 mph
62
mph
mph
226 ft
0.000 sec

Porsche Cayman R
▶ REPLAY
12.67 lb/hp
Weight-to-Power Ratio
9.29 lb/hp
Mercedes CLS Coupé 350
12.67 lb/hp
9.29 lb/hp
Porsche Cayman R
Fuel Economy / Emissions
Mercedes CLS Coupé 350
Porsche Cayman R
Fuel Economy
35 mpg
combined
24 mpg
Mercedes CLS Coupé 350
35 mpg
24 mpg
Porsche Cayman R
26 mpg
city
17 mpg
44 mpg
highway
33 mpg
15.6 gal
Fuel Tank Capacity
14.3 gal
539 mi
Range
346 mi
Mercedes CLS Coupé 350
539 mi
346 mi
Porsche Cayman R
Environmental Impact
128.7 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).
183.8 kWh
Mercedes CLS Coupé 350
128.7 kWh
183.8 kWh
Porsche Cayman R
Euro 5
Emission Standard
Euro 5
256 g/mi (NEFZ)
CO2 Emissions
367 g/mi (NEFZ)
Practical Convenience
Mercedes CLS Coupé 350
Porsche Cayman R
4
Doors
2
4
No. of Seats
2
1069 lb
Maximum Payload
551 lb
14.7 cu ft
Trunk Volume
11.6 cu ft









No data
Cargo Volume (Seats Down)
No data