The Comparative Analysis :
Mercedes CLS Coupé 350 BlueTEC 9G-TRONIC (14 - 15) vs. Porsche 718 Cayman GTS PDK (18 - ..)
€ 61,900

€ 80,500

€ 61,900
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 80,500
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The Mercedes CLS Coupé 350 BlueTEC is significantly bigger in every dimension. It's 21.4 inches longer, 3.1 inches wider and 5.2 inches taller than the Porsche 718 Cayman GTS.
Mercedes CLS Coupé 350 BlueTEC
Porsche 718 Cayman GTS
55.8
74.1
81.7
50.6
70.9
78.5
74.1 in
Width
70.9 in
81.7 in
Width Incl. Mirrors
78.5 in
55.8 in
Height
50.6 in
113.1
194.4
97.4
173
194.4 in
Length
173 in
113.1 in
Wheelbase
97.4 in
Vehicle Weight
Mercedes CLS Coupé 350 BlueTEC
Porsche 718 Cayman GTS
4068 lb
Curb Weight
3263 lb
5137 lb
Gross Vehicle
Weight
Weight
3759 lb

Weight Difference:
805 lb
19.79 %

General
Mercedes CLS Coupé 350 BlueTEC
Porsche 718 Cayman GTS
C218
Generation
982C
Coupe
Car Body Style
Coupe
Diesel
Fuel Type
Premium Unleaded

Rear-wheel drive
Drivetrain
Rear-wheel drive

9-speed automatic transmission
Transmission
7-speed dual clutch transmission
Engine
Mercedes CLS Coupé 350 BlueTEC
Porsche 718 Cayman GTS
V6 diesel engine with turbocharger
Engine Type
4-cylinder boxer gasoline engine with turbocharger
Mercedes-Benz OM 642
Engine Series
OM 642.852
Engine Code

4
Valves
4
6
Cylinders
4
3 L / 147 cu in
Displacement
2.5 L / 122 cu in
254 hp
at 3600 rpm
Power
360 hp
at 6500 rpm
Mercedes CLS Coupé 350 BlueTEC
254 hp
360 hp
Porsche 718 Cayman GTS
457 lb‑ft
at 1600 rpm
Max. Torque
317 lb‑ft
at 1900 rpm
Mercedes CLS Coupé 350 BlueTEC
457 lb‑ft
317 lb‑ft
Porsche 718 Cayman GTS
Performance
Mercedes CLS Coupé 350 BlueTEC
Porsche 718 Cayman GTS
155 mph
Maximum Speed
180 mph
6.5 sec
Acceleration 0 to 62 mph
4.3 sec
62 mph
62
mph
mph
295 ft
0.000 sec

Mercedes CLS Coupé 350 BlueTEC
62 mph
62
mph
mph
197 ft
0.000 sec

Porsche 718 Cayman GTS
▶ REPLAY
16.02 lb/hp
Weight-to-Power Ratio
9.06 lb/hp
Mercedes CLS Coupé 350 BlueTEC
16.02 lb/hp
9.06 lb/hp
Porsche 718 Cayman GTS
Fuel Economy / Emissions
Mercedes CLS Coupé 350 BlueTEC
Porsche 718 Cayman GTS
Fuel Economy
44 mpg
combined
28 mpg
Mercedes CLS Coupé 350 BlueTEC
44 mpg
28 mpg
Porsche 718 Cayman GTS
37 mpg
city
20 mpg
49 mpg
highway
35 mpg
15.6 gal
Fuel Tank Capacity
16.9 gal
679 mi
Range
468 mi
Mercedes CLS Coupé 350 BlueTEC
679 mi
468 mi
Porsche 718 Cayman GTS
Environmental Impact
111 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).
161.1 kWh
Mercedes CLS Coupé 350 BlueTEC
111 kWh
161.1 kWh
Porsche 718 Cayman GTS
Euro 6b (NEFZ)
Emission Standard
Euro 6d-TEMP
225 g/mi (NEFZ)
CO2 Emissions
335 g/mi (WLTP)
Practical Convenience
Mercedes CLS Coupé 350 BlueTEC
Porsche 718 Cayman GTS
4
Doors
2
4
No. of Seats
2
1069 lb
Maximum Payload
496 lb
13.5 cu ft
Trunk Volume
12 cu ft










No data
Cargo Volume (Seats Down)
No data