The Comparative Analysis :

Mercedes CLS Coupé 350 BlueTEC 9G-TRONIC (14 - 15) vs. Porsche 718 Cayman PDK (16 - 18)

€ 61,900
Mercedes CLS Coupé 350 BlueTEC 9G-TRONIC (14 - 15) Mercedes CLS Coupé 350 BlueTEC
€ 55,500
 Porsche 718 Cayman PDK (16 - 18) Porsche 718 Cayman
€ 61,900
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 55,500

ⓘ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 22 inches longer, 3.1 inches wider and 4.8 inches taller than the Porsche 718 Cayman.
Mercedes CLS Coupé 350 BlueTEC
Porsche 718 Cayman
55.8
Blueprint Mercedes CLS Coupé 350 BlueTEC 9G-TRONIC (14 - 15)
74.1
81.7
51
Blueprint Porsche 718 Cayman PDK (16 - 18)
70.9
78.5
74.1 in
Width
70.9 in
81.7 in
Width Incl. Mirrors
78.5 in
55.8 in
Height
51 in
Blueprint Mercedes CLS Coupé 350 BlueTEC 9G-TRONIC (14 - 15)
113.1
194.4
Blueprint Porsche 718 Cayman PDK (16 - 18)
97.4
172.4
194.4 in
Length
172.4 in
113.1 in
Wheelbase
97.4 in

Vehicle Weight

Mercedes CLS Coupé 350 BlueTEC
Porsche 718 Cayman
4068 lb
Curb Weight
3175 lb
5137 lb
Gross Vehicle
Weight
3715 lb
Mercedes CLS Coupé 350 BlueTEC 9G-TRONIC (14 - 15)
Weight Difference:
893 lb
21.95 %
Porsche 718 Cayman PDK (16 - 18)

General

Mercedes CLS Coupé 350 BlueTEC
Porsche 718 Cayman
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
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 L / 98 cu in
254 hp
at 3600 rpm
Power
296 hp
at 6500 rpm
Mercedes CLS Coupé 350 BlueTEC
254 hp
296 hp
Porsche 718 Cayman
457 lb‑ft
at 1600 rpm
Max. Torque
280 lb‑ft
at 1950 rpm
Mercedes CLS Coupé 350 BlueTEC
457 lb‑ft
280 lb‑ft
Porsche 718 Cayman

Performance

Mercedes CLS Coupé 350 BlueTEC
Porsche 718 Cayman
155 mph
Maximum Speed
171 mph
6.5 sec
Acceleration 0 to 62 mph
4.9 sec
62 mph 62
mph

295 ft
0.000 sec

Mercedes CLS Coupé 350 BlueTEC

62 mph 62
mph

223 ft
0.000 sec

Porsche 718 Cayman

▶ REPLAY
16.02 lb/hp
Weight-to-Power Ratio
10.73 lb/hp
Mercedes CLS Coupé 350 BlueTEC
16.02 lb/hp
10.73 lb/hp
Porsche 718 Cayman

Fuel Economy / Emissions

Mercedes CLS Coupé 350 BlueTEC
Porsche 718 Cayman
Fuel Economy
44 mpg
combined
34 mpg
Mercedes CLS Coupé 350 BlueTEC
44 mpg
34 mpg
Porsche 718 Cayman
37 mpg
city
26 mpg
49 mpg
highway
41 mpg
Kraftstoffanzeige
15.6 gal
Fuel Tank Capacity
14.3 gal
Kraftstoffanzeige
679 mi
Range
487 mi
Mercedes CLS Coupé 350 BlueTEC
679 mi
487 mi
Porsche 718 Cayman
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).
130.7 kWh
Mercedes CLS Coupé 350 BlueTEC
111 kWh
130.7 kWh
Porsche 718 Cayman
Euro 6b (NEFZ)
Emission Standard
Euro 6c (NEFZ) 36ZA-ZF
225 g/mi (NEFZ)
CO2 Emissions
254 g/mi (NEFZ)

Practical Convenience

Mercedes CLS Coupé 350 BlueTEC
Porsche 718 Cayman
4
Doors
2
4
No. of Seats
2
1069 lb
Maximum Payload
540 lb
13.5 cu ft
Trunk Volume
12 cu ft
No data
Cargo Volume (Seats Down)
No data