The Comparative Analysis :
Mercedes CLS Coupé 350 d 4MATIC 9G-TRONIC (18 - ..) vs. Porsche 718 Cayman S PDK (16 - 18)
€ 68,100
€ 68,000
€ 68,100
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 68,000
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The Mercedes CLS Coupé 350 d is significantly bigger in every dimension. It's 24 inches longer, 3.5 inches wider and 5.5 inches taller than the Porsche 718 Cayman S.
Mercedes CLS Coupé 350 d
Porsche 718 Cayman S
56.5
74.4
81.5
51
70.9
78.5
74.4 in
Width
70.9 in
81.5 in
Width Incl. Mirrors
78.5 in
56.5 in
Height
51 in
115.7
196.4
97.4
172.4
196.4 in
Length
172.4 in
115.7 in
Wheelbase
97.4 in
Vehicle Weight
Mercedes CLS Coupé 350 d
Porsche 718 Cayman S
4266 lb
Curb Weight
3219 lb
5611 lb
Gross Vehicle
Weight
Weight
3737 lb
Weight Difference:
1047 lb
24.54 %
General
Mercedes CLS Coupé 350 d
Porsche 718 Cayman S
C257
Generation
982C
Coupe
Car Body Style
Coupe
Diesel
Fuel Type
Premium Unleaded
Permanent all-wheel drive (AWD)
Drivetrain
Rear-wheel drive
9-speed automatic transmission
Transmission
7-speed dual clutch transmission
Engine
Mercedes CLS Coupé 350 d
Porsche 718 Cayman S
Straight-six diesel engine with turbocharger
Engine Type
4-cylinder boxer gasoline engine with turbocharger
Mercedes-Benz OM 656
Engine Series
OM 656.929
Engine Code
4
Valves
4
6
Cylinders
4
2.9 L / 142 cu in
Displacement
2.5 L / 122 cu in
282 hp
at 3400 rpm
Power
345 hp
at 6500 rpm
Mercedes CLS Coupé 350 d
282 hp
345 hp
Porsche 718 Cayman S
443 lb‑ft
at 1200 rpm
Max. Torque
310 lb‑ft
at 1900 rpm
Mercedes CLS Coupé 350 d
443 lb‑ft
310 lb‑ft
Porsche 718 Cayman S
Performance
Mercedes CLS Coupé 350 d
Porsche 718 Cayman S
155 mph
Maximum Speed
177 mph
5.7 sec
Acceleration 0 to 62 mph
4.4 sec
62 mph
62
mph
mph
259 ft
0.000 sec
Mercedes CLS Coupé 350 d
62 mph
62
mph
mph
200 ft
0.000 sec
Porsche 718 Cayman S
▶ REPLAY
15.13 lb/hp
Weight-to-Power Ratio
9.33 lb/hp
Mercedes CLS Coupé 350 d
15.13 lb/hp
9.33 lb/hp
Porsche 718 Cayman S
Fuel Economy / Emissions
Mercedes CLS Coupé 350 d
Porsche 718 Cayman S
Fuel Economy
40 mpg
combined
32 mpg
Mercedes CLS Coupé 350 d
40 mpg
32 mpg
Porsche 718 Cayman S
34 mpg
city
25 mpg
44 mpg
highway
39 mpg
13.2 gal
Fuel Tank Capacity
16.9 gal
526 mi
Range
545 mi
Mercedes CLS Coupé 350 d
526 mi
545 mi
Porsche 718 Cayman S
Environmental Impact
121.3 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).
138.2 kWh
Mercedes CLS Coupé 350 d
121.3 kWh
138.2 kWh
Porsche 718 Cayman S
Euro 6d-TEMP
Emission Standard
Euro 6c (NEFZ) 36ZA-ZF
291 g/mi (WLTP)
CO2 Emissions
269 g/mi (NEFZ)
Practical Convenience
Mercedes CLS Coupé 350 d
Porsche 718 Cayman S
4
Doors
2
5
No. of Seats
2
1345 lb
Maximum Payload
518 lb
14.7 cu ft
Trunk Volume
12 cu ft
No data
Cargo Volume (Seats Down)
No data
