The Comparative Analysis :
Mercedes CLS Coupé 350 d 4MATIC 9G-TRONIC (18 - ..) vs. Porsche 718 Cayman GTS PDK (17 - 18)
€ 68,100
€ 79,400
€ 68,100
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 79,400
ⓘ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 23.4 inches longer, 3.5 inches wider and 5.9 inches taller than the Porsche 718 Cayman GTS.
Mercedes CLS Coupé 350 d
Porsche 718 Cayman GTS
56.5
74.4
81.5
50.6
70.9
78.5
74.4 in
Width
70.9 in
81.5 in
Width Incl. Mirrors
78.5 in
56.5 in
Height
50.6 in
115.7
196.4
97.4
173
196.4 in
Length
173 in
115.7 in
Wheelbase
97.4 in
Vehicle Weight
Mercedes CLS Coupé 350 d
Porsche 718 Cayman GTS
4266 lb
Curb Weight
3263 lb
5611 lb
Gross Vehicle
Weight
Weight
3759 lb
Weight Difference:
1003 lb
23.51 %
General
Mercedes CLS Coupé 350 d
Porsche 718 Cayman GTS
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 GTS
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
360 hp
at 6500 rpm
Mercedes CLS Coupé 350 d
282 hp
360 hp
Porsche 718 Cayman GTS
443 lb‑ft
at 1200 rpm
Max. Torque
317 lb‑ft
at 1900 rpm
Mercedes CLS Coupé 350 d
443 lb‑ft
317 lb‑ft
Porsche 718 Cayman GTS
Performance
Mercedes CLS Coupé 350 d
Porsche 718 Cayman GTS
155 mph
Maximum Speed
180 mph
5.7 sec
Acceleration 0 to 62 mph
4.3 sec
62 mph
62
mph
mph
259 ft
0.000 sec
Mercedes CLS Coupé 350 d
62 mph
62
mph
mph
197 ft
0.000 sec
Porsche 718 Cayman GTS
▶ REPLAY
15.13 lb/hp
Weight-to-Power Ratio
9.06 lb/hp
Mercedes CLS Coupé 350 d
15.13 lb/hp
9.06 lb/hp
Porsche 718 Cayman GTS
Fuel Economy / Emissions
Mercedes CLS Coupé 350 d
Porsche 718 Cayman GTS
Fuel Economy
40 mpg
combined
29 mpg
Mercedes CLS Coupé 350 d
40 mpg
29 mpg
Porsche 718 Cayman GTS
34 mpg
city
22 mpg
44 mpg
highway
36 mpg
13.2 gal
Fuel Tank Capacity
16.9 gal
526 mi
Range
485 mi
Mercedes CLS Coupé 350 d
526 mi
485 mi
Porsche 718 Cayman GTS
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).
155.3 kWh
Mercedes CLS Coupé 350 d
121.3 kWh
155.3 kWh
Porsche 718 Cayman GTS
Euro 6d-TEMP
Emission Standard
Euro 6c (NEFZ) 36ZA-ZF
291 g/mi (WLTP)
CO2 Emissions
299 g/mi (NEFZ)
Practical Convenience
Mercedes CLS Coupé 350 d
Porsche 718 Cayman GTS
4
Doors
2
5
No. of Seats
2
1345 lb
Maximum Payload
496 lb
14.7 cu ft
Trunk Volume
12 cu ft
No data
Cargo Volume (Seats Down)
No data
