The Comparative Analysis :

Mercedes CLS Coupé 450 4MATIC 9G-TRONIC (19 - ..) vs. Porsche 718 Cayman GTS PDK (17 - 18)

€ 70,900
Mercedes CLS Coupé 450 4MATIC 9G-TRONIC (19 - ..) Mercedes CLS Coupé 450
€ 79,400
 Porsche 718 Cayman GTS PDK (17 - 18) Porsche 718 Cayman GTS
€ 70,900
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 450 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 450
Porsche 718 Cayman GTS
56.5
Blueprint Mercedes CLS Coupé 450 4MATIC 9G-TRONIC (19 - ..)
74.4
81.5
50.6
Blueprint Porsche 718 Cayman GTS PDK (17 - 18)
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
Blueprint Mercedes CLS Coupé 450 4MATIC 9G-TRONIC (19 - ..)
115.7
196.4
Blueprint Porsche 718 Cayman GTS PDK (17 - 18)
97.4
173
196.4 in
Length
173 in
115.7 in
Wheelbase
97.4 in

Vehicle Weight

Mercedes CLS Coupé 450
Porsche 718 Cayman GTS
4277 lb
Curb Weight
3263 lb
5644 lb
Gross Vehicle
Weight
3759 lb
Mercedes CLS Coupé 450 4MATIC 9G-TRONIC (19 - ..)
Weight Difference:
1014 lb
23.71 %
Porsche 718 Cayman GTS PDK (17 - 18)

General

Mercedes CLS Coupé 450
Porsche 718 Cayman GTS
C257
Generation
982C
Coupe
Car Body Style
Coupe
Mid-Grade Unleaded
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 450
Porsche 718 Cayman GTS
6-cylinder mild hybrid gasoline engine with tur­bo­charger and elec­tric driven com­pres­sor
Engine Type
4-cylinder boxer gasoline engine with tur­bo­charger
Mercedes-Benz M 256
Engine Series
M 256.930
Engine Code
4
Valves
4
6
Cylinders
4
3 L / 147 cu in
Displacement
2.5 L / 122 cu in
383 hp
at 5500 rpm
Power
360 hp
at 6500 rpm
Mercedes CLS Coupé 450
383 hp
360 hp
Porsche 718 Cayman GTS
369 lb‑ft
at 1600 rpm
Max. Torque
317 lb‑ft
at 1900 rpm
Mercedes CLS Coupé 450
369 lb‑ft
317 lb‑ft
Porsche 718 Cayman GTS

Performance

Mercedes CLS Coupé 450
Porsche 718 Cayman GTS
155 mph
Maximum Speed
180 mph
4.8 sec
Acceleration 0 to 62 mph
4.3 sec
62 mph 62
mph

220 ft
0.000 sec

Mercedes CLS Coupé 450

62 mph 62
mph

197 ft
0.000 sec

Porsche 718 Cayman GTS

▶ REPLAY
11.17 lb/hp
Weight-to-Power Ratio
9.06 lb/hp
Mercedes CLS Coupé 450
11.17 lb/hp
9.06 lb/hp
Porsche 718 Cayman GTS

Fuel Economy / Emissions

Mercedes CLS Coupé 450
Porsche 718 Cayman GTS
Fuel Economy
30 mpg
combined
29 mpg
Mercedes CLS Coupé 450
30 mpg
29 mpg
Porsche 718 Cayman GTS
23 mpg
city
22 mpg
38 mpg
highway
36 mpg
Kraftstoffanzeige
17.4 gal
Fuel Tank Capacity
16.9 gal
Kraftstoffanzeige
526 mi
Range
485 mi
Mercedes CLS Coupé 450
526 mi
485 mi
Porsche 718 Cayman GTS
Environmental Impact
147.7 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).
155.3 kWh
Mercedes CLS Coupé 450
147.7 kWh
155.3 kWh
Porsche 718 Cayman GTS
Euro 6d-TEMP-EVAP-ISC (WLTP) 36CH, 36CI, 36DG
Emission Standard
Euro 6c (NEFZ) 36ZA-ZF
304 g/mi (WLTP)
CO2 Emissions
299 g/mi (NEFZ)

Practical Convenience

Mercedes CLS Coupé 450
Porsche 718 Cayman GTS
4
Doors
2
5
No. of Seats
2
1367 lb
Maximum Payload
496 lb
14.7 cu ft
Trunk Volume
12 cu ft
No data
Cargo Volume (Seats Down)
No data