The Comparative Analysis :
Porsche 718 Cayman S (16 - 18) vs. Mercedes CLS Coupé 450 EQ Boost 4MATIC 9G-TRONIC (18 - 19)
€ 65,200
€ 70,900
€ 65,200
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 70,900
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The Porsche 718 Cayman S is significantly smaller in every dimension. It's 24 inches shorter, 3.5 inches narrower and 5.5 inches lower than the Mercedes CLS Coupé 450 EQ Boost.
Porsche 718 Cayman S
Mercedes CLS Coupé 450 EQ Boost
51
70.9
78.5
56.5
74.4
81.5
70.9 in
Width
74.4 in
78.5 in
Width Incl. Mirrors
81.5 in
51 in
Height
56.5 in
97.4
172.4
115.7
196.4
172.4 in
Length
196.4 in
97.4 in
Wheelbase
115.7 in
Vehicle Weight
Porsche 718 Cayman S
Mercedes CLS Coupé 450 EQ Boost
3153 lb
Curb Weight
4277 lb
3671 lb
Gross Vehicle
Weight
Weight
5699 lb
Weight Difference:
1124 lb
26.28 %
General
Porsche 718 Cayman S
Mercedes CLS Coupé 450 EQ Boost
982C
Generation
C257
Coupe
Car Body Style
Coupe
Premium Unleaded
Fuel Type
Mid-Grade Unleaded
Rear-wheel drive
Drivetrain
Permanent all-wheel drive (AWD)
6-speed manual transmission
Transmission
9-speed automatic transmission
Engine
Porsche 718 Cayman S
Mercedes CLS Coupé 450 EQ Boost
4-cylinder boxer gasoline engine with turbocharger
Engine Type
6-cylinder mild hybrid gasoline engine with turbocharger and electric driven compressor
Engine Series
Mercedes-Benz M 256
Engine Code
M 256.930
4
Valves
4
4
Cylinders
6
2.5 L / 122 cu in
Displacement
3 L / 147 cu in
345 hp
at 6500 rpm
Power
383 hp
at 5500 rpm
Porsche 718 Cayman S
345 hp
383 hp
Mercedes CLS Coupé 450 EQ Boost
310 lb‑ft
at 1900 rpm
Max. Torque
369 lb‑ft
at 1600 rpm
Porsche 718 Cayman S
310 lb‑ft
369 lb‑ft
Mercedes CLS Coupé 450 EQ Boost
Performance
Porsche 718 Cayman S
Mercedes CLS Coupé 450 EQ Boost
177 mph
Maximum Speed
155 mph
4.6 sec
Acceleration 0 to 62 mph
4.8 sec
62 mph
62
mph
mph
210 ft
0.000 sec
Porsche 718 Cayman S
62 mph
62
mph
mph
220 ft
0.000 sec
Mercedes CLS Coupé 450 EQ Boost
▶ REPLAY
9.14 lb/hp
Weight-to-Power Ratio
11.17 lb/hp
Porsche 718 Cayman S
9.14 lb/hp
11.17 lb/hp
Mercedes CLS Coupé 450 EQ Boost
Fuel Economy / Emissions
Porsche 718 Cayman S
Mercedes CLS Coupé 450 EQ Boost
Fuel Economy
29 mpg
combined
31 mpg
Porsche 718 Cayman S
29 mpg
31 mpg
Mercedes CLS Coupé 450 EQ Boost
22 mpg
city
24 mpg
36 mpg
highway
39 mpg
16.9 gal
Fuel Tank Capacity
17.4 gal
491 mi
Range
547 mi
Porsche 718 Cayman S
491 mi
547 mi
Mercedes CLS Coupé 450 EQ Boost
Environmental Impact
153.5 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).
142.1 kWh
Porsche 718 Cayman S
153.5 kWh
142.1 kWh
Mercedes CLS Coupé 450 EQ Boost
Euro 6c (NEFZ) 36ZA-ZF
Emission Standard
Euro 6d-TEMP (WLTP) 36AG-AI
296 g/mi (NEFZ)
CO2 Emissions
306 g/mi (WLTP)
Practical Convenience
Porsche 718 Cayman S
Mercedes CLS Coupé 450 EQ Boost
2
Doors
4
2
No. of Seats
5
518 lb
Maximum Payload
1422 lb
12 cu ft
Trunk Volume
14.7 cu ft
No data
Cargo Volume (Seats Down)
No data
