The Comparative Analysis :

Mercedes CLS Coupé 400 9G-TRONIC (16 - 17) vs. Porsche 718 Cayman S (19 - ..)

€ 63,400
Mercedes CLS Coupé 400 9G-TRONIC (16 - 17) Mercedes CLS Coupé 400
€ 66,900
 Porsche 718 Cayman S (19 - ..) Porsche 718 Cayman S
€ 63,400
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 400 is significantly bigger in every dimension. It's 22 inches longer, 3.1 inches wider and 4.8 inches taller than the Porsche 718 Cayman S.
Mercedes CLS Coupé 400
Porsche 718 Cayman S
55.8
Blueprint Mercedes CLS Coupé 400 9G-TRONIC (16 - 17)
74.1
81.7
51
Blueprint Porsche 718 Cayman S (19 - ..)
70.9
78.5
74.1 in
Width
70.9 in
81.7 in
Width Incl. Mirrors
78.5 in
55.8 in
Height
51 in
Blueprint Mercedes CLS Coupé 400 9G-TRONIC (16 - 17)
113.1
194.4
Blueprint Porsche 718 Cayman S (19 - ..)
97.4
172.4
194.4 in
Length
172.4 in
113.1 in
Wheelbase
97.4 in

Vehicle Weight

Mercedes CLS Coupé 400
Porsche 718 Cayman S
3913 lb
Curb Weight
3153 lb
4982 lb
Gross Vehicle
Weight
3671 lb
Mercedes CLS Coupé 400 9G-TRONIC (16 - 17)
Weight Difference:
761 lb
19.45 %
Porsche 718 Cayman S (19 - ..)

General

Mercedes CLS Coupé 400
Porsche 718 Cayman S
C218
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 400
Porsche 718 Cayman S
V6 gasoline engine with two tur­bo­chargers (bi­turbo)
Engine Type
4-cylinder boxer gasoline engine with tur­bo­charger
Mercedes-Benz M 276
Engine Series
M 276.850
Engine Code
4
Valves
4
6
Cylinders
4
3.5 L / 171 cu in
Displacement
2.5 L / 122 cu in
328 hp
at 5250 rpm
Power
345 hp
at 6500 rpm
Mercedes CLS Coupé 400
328 hp
345 hp
Porsche 718 Cayman S
354 lb‑ft
at 1200 rpm
Max. Torque
310 lb‑ft
at 2100 rpm
Mercedes CLS Coupé 400
354 lb‑ft
310 lb‑ft
Porsche 718 Cayman S

Performance

Mercedes CLS Coupé 400
Porsche 718 Cayman S
155 mph
Maximum Speed
177 mph
5.3 sec
Acceleration 0 to 62 mph
4.6 sec
62 mph 62
mph

243 ft
0.000 sec

Mercedes CLS Coupé 400

62 mph 62
mph

210 ft
0.000 sec

Porsche 718 Cayman S

▶ REPLAY
11.93 lb/hp
Weight-to-Power Ratio
9.14 lb/hp
Mercedes CLS Coupé 400
11.93 lb/hp
9.14 lb/hp
Porsche 718 Cayman S

Fuel Economy / Emissions

Mercedes CLS Coupé 400
Porsche 718 Cayman S
Fuel Economy
32 mpg
combined
26 mpg
Mercedes CLS Coupé 400
32 mpg
26 mpg
Porsche 718 Cayman S
23 mpg
city
19 mpg
41 mpg
highway
33 mpg
Kraftstoffanzeige
15.6 gal
Fuel Tank Capacity
16.9 gal
Kraftstoffanzeige
495 mi
Range
432 mi
Mercedes CLS Coupé 400
495 mi
432 mi
Porsche 718 Cayman S
Environmental Impact
140.2 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 400
140.2 kWh
174.3 kWh
Porsche 718 Cayman S
Euro 6b (NEFZ)
Emission Standard
Euro 6d-TEMP
267 g/mi (NEFZ)
CO2 Emissions
357 g/mi (WLTP)

Practical Convenience

Mercedes CLS Coupé 400
Porsche 718 Cayman S
4
Doors
2
4
No. of Seats
2
1069 lb
Maximum Payload
518 lb
13.5 cu ft
Trunk Volume
12 cu ft
No data
Cargo Volume (Seats Down)
No data