The Comparative Analysis :

Mercedes CLS Coupé 450 EQ Boost 4MATIC 9G-TRONIC (18 - 19) vs. Porsche 718 Cayman S (19 - ..)

€ 70,900
Mercedes CLS Coupé 450 EQ Boost 4MATIC 9G-TRONIC (18 - 19) Mercedes CLS Coupé 450 EQ Boost
€ 66,900
 Porsche 718 Cayman S (19 - ..) Porsche 718 Cayman S
€ 70,900
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 66,900

ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info

Vehicle Dimensions

The Mercedes CLS Coupé 450 EQ Boost 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 450 EQ Boost
Porsche 718 Cayman S
56.5
Blueprint Mercedes CLS Coupé 450 EQ Boost 4MATIC 9G-TRONIC (18 - 19)
74.4
81.5
51
Blueprint Porsche 718 Cayman S (19 - ..)
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
Blueprint Mercedes CLS Coupé 450 EQ Boost 4MATIC 9G-TRONIC (18 - 19)
115.7
196.4
Blueprint Porsche 718 Cayman S (19 - ..)
97.4
172.4
196.4 in
Length
172.4 in
115.7 in
Wheelbase
97.4 in

Vehicle Weight

Mercedes CLS Coupé 450 EQ Boost
Porsche 718 Cayman S
4277 lb
Curb Weight
3153 lb
5699 lb
Gross Vehicle
Weight
3671 lb
Mercedes CLS Coupé 450 EQ Boost 4MATIC 9G-TRONIC (18 - 19)
Weight Difference:
1124 lb
26.28 %
Porsche 718 Cayman S (19 - ..)

General

Mercedes CLS Coupé 450 EQ Boost
Porsche 718 Cayman S
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
6-speed manual transmission

Engine

Mercedes CLS Coupé 450 EQ Boost
Porsche 718 Cayman S
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
345 hp
at 6500 rpm
Mercedes CLS Coupé 450 EQ Boost
383 hp
345 hp
Porsche 718 Cayman S
369 lb‑ft
at 1600 rpm
Max. Torque
310 lb‑ft
at 2100 rpm
Mercedes CLS Coupé 450 EQ Boost
369 lb‑ft
310 lb‑ft
Porsche 718 Cayman S

Performance

Mercedes CLS Coupé 450 EQ Boost
Porsche 718 Cayman S
155 mph
Maximum Speed
177 mph
4.8 sec
Acceleration 0 to 62 mph
4.6 sec
62 mph 62
mph

220 ft
0.000 sec

Mercedes CLS Coupé 450 EQ Boost

62 mph 62
mph

210 ft
0.000 sec

Porsche 718 Cayman S

▶ REPLAY
11.17 lb/hp
Weight-to-Power Ratio
9.14 lb/hp
Mercedes CLS Coupé 450 EQ Boost
11.17 lb/hp
9.14 lb/hp
Porsche 718 Cayman S

Fuel Economy / Emissions

Mercedes CLS Coupé 450 EQ Boost
Porsche 718 Cayman S
Fuel Economy
31 mpg
combined
26 mpg
Mercedes CLS Coupé 450 EQ Boost
31 mpg
26 mpg
Porsche 718 Cayman S
24 mpg
city
19 mpg
39 mpg
highway
33 mpg
Kraftstoffanzeige
17.4 gal
Fuel Tank Capacity
16.9 gal
Kraftstoffanzeige
547 mi
Range
432 mi
Mercedes CLS Coupé 450 EQ Boost
547 mi
432 mi
Porsche 718 Cayman S
Environmental Impact
142.1 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).
174.3 kWh
Mercedes CLS Coupé 450 EQ Boost
142.1 kWh
174.3 kWh
Porsche 718 Cayman S
Euro 6d-TEMP (WLTP) 36AG-AI
Emission Standard
Euro 6d-TEMP
306 g/mi (WLTP)
CO2 Emissions
357 g/mi (WLTP)

Practical Convenience

Mercedes CLS Coupé 450 EQ Boost
Porsche 718 Cayman S
4
Doors
2
5
No. of Seats
2
1422 lb
Maximum Payload
518 lb
14.7 cu ft
Trunk Volume
12 cu ft
No data
Cargo Volume (Seats Down)
No data