The Comparative Analysis :
Mercedes CLS Coupé 350 EQ Boost 9G-TRONIC (18 - 19) vs. Porsche 718 Cayman GTS (17 - 18)
€ 63,500
€ 76,100
€ 63,500
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 76,100
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The Mercedes CLS Coupé 350 EQ Boost 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 EQ Boost
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 EQ Boost
Porsche 718 Cayman GTS
3913 lb
Curb Weight
3197 lb
5335 lb
Gross Vehicle
Weight
Weight
3693 lb
Weight Difference:
717 lb
18.32 %
General
Mercedes CLS Coupé 350 EQ Boost
Porsche 718 Cayman GTS
C257
Generation
982C
Coupe
Car Body Style
Coupe
Mid-Grade Unleaded
Fuel Type
Premium Unleaded
Rear-wheel drive
Drivetrain
Rear-wheel drive
9-speed automatic transmission
Transmission
6-speed manual transmission
Engine
Mercedes CLS Coupé 350 EQ Boost
Porsche 718 Cayman GTS
4-cylinder mild hybrid gasoline engine with turbocharger
Engine Type
4-cylinder boxer gasoline engine with turbocharger
Mercedes-Benz M 264
Engine Series
M 264.920
Engine Code
4
Valves
4
4
Cylinders
4
2 L / 98 cu in
Displacement
2.5 L / 122 cu in
309 hp
at 5500 rpm
Power
360 hp
at 6500 rpm
Mercedes CLS Coupé 350 EQ Boost
309 hp
360 hp
Porsche 718 Cayman GTS
295 lb‑ft
at 3000 rpm
Max. Torque
310 lb‑ft
at 1900 rpm
Mercedes CLS Coupé 350 EQ Boost
295 lb‑ft
310 lb‑ft
Porsche 718 Cayman GTS
Performance
Mercedes CLS Coupé 350 EQ Boost
Porsche 718 Cayman GTS
155 mph
Maximum Speed
180 mph
6 sec
Acceleration 0 to 62 mph
4.6 sec
62 mph
62
mph
mph
272 ft
0.000 sec
Mercedes CLS Coupé 350 EQ Boost
62 mph
62
mph
mph
210 ft
0.000 sec
Porsche 718 Cayman GTS
▶ REPLAY
12.66 lb/hp
Weight-to-Power Ratio
8.88 lb/hp
Mercedes CLS Coupé 350 EQ Boost
12.66 lb/hp
8.88 lb/hp
Porsche 718 Cayman GTS
Fuel Economy / Emissions
Mercedes CLS Coupé 350 EQ Boost
Porsche 718 Cayman GTS
Fuel Economy
34 mpg
combined
26 mpg
Mercedes CLS Coupé 350 EQ Boost
34 mpg
26 mpg
Porsche 718 Cayman GTS
25 mpg
city
19 mpg
42 mpg
highway
34 mpg
17.4 gal
Fuel Tank Capacity
16.9 gal
595 mi
Range
442 mi
Mercedes CLS Coupé 350 EQ Boost
595 mi
442 mi
Porsche 718 Cayman GTS
Environmental Impact
130.7 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).
170.4 kWh
Mercedes CLS Coupé 350 EQ Boost
130.7 kWh
170.4 kWh
Porsche 718 Cayman GTS
Euro 6d-TEMP (WLTP) 36AG-AI
Emission Standard
Euro 6c (NEFZ) 36ZA-ZF
296 g/mi (WLTP)
CO2 Emissions
330 g/mi (NEFZ)
Practical Convenience
Mercedes CLS Coupé 350 EQ Boost
Porsche 718 Cayman GTS
4
Doors
2
5
No. of Seats
2
1422 lb
Maximum Payload
496 lb
14.7 cu ft
Trunk Volume
12 cu ft
No data
Cargo Volume (Seats Down)
No data
