The Comparative Analysis :

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

€ 63,400
Mercedes CLS Coupé 400 9G-TRONIC (16 - 17) Mercedes CLS Coupé 400
€ 77,200
 Porsche 718 Cayman GTS (19 - ..) Porsche 718 Cayman GTS
€ 63,400
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 77,200

ⓘ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 21.4 inches longer, 3.1 inches wider and 5.2 inches taller than the Porsche 718 Cayman GTS.
Mercedes CLS Coupé 400
Porsche 718 Cayman GTS
55.8
Blueprint Mercedes CLS Coupé 400 9G-TRONIC (16 - 17)
74.1
81.7
50.6
Blueprint Porsche 718 Cayman GTS (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
50.6 in
Blueprint Mercedes CLS Coupé 400 9G-TRONIC (16 - 17)
113.1
194.4
Blueprint Porsche 718 Cayman GTS (19 - ..)
97.4
173
194.4 in
Length
173 in
113.1 in
Wheelbase
97.4 in

Vehicle Weight

Mercedes CLS Coupé 400
Porsche 718 Cayman GTS
3913 lb
Curb Weight
3197 lb
4982 lb
Gross Vehicle
Weight
3693 lb
Mercedes CLS Coupé 400 9G-TRONIC (16 - 17)
Weight Difference:
717 lb
18.32 %
Porsche 718 Cayman GTS (19 - ..)

General

Mercedes CLS Coupé 400
Porsche 718 Cayman GTS
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 GTS
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
360 hp
at 6500 rpm
Mercedes CLS Coupé 400
328 hp
360 hp
Porsche 718 Cayman GTS
354 lb‑ft
at 1200 rpm
Max. Torque
317 lb‑ft
at 1900 rpm
Mercedes CLS Coupé 400
354 lb‑ft
317 lb‑ft
Porsche 718 Cayman GTS

Performance

Mercedes CLS Coupé 400
Porsche 718 Cayman GTS
155 mph
Maximum Speed
180 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 GTS

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

Fuel Economy / Emissions

Mercedes CLS Coupé 400
Porsche 718 Cayman GTS
Fuel Economy
32 mpg
combined
26 mpg
Mercedes CLS Coupé 400
32 mpg
26 mpg
Porsche 718 Cayman GTS
23 mpg
city
18 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 GTS
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 GTS
Euro 6b (NEFZ)
Emission Standard
Euro 6d-TEMP
267 g/mi (NEFZ)
CO2 Emissions
362 g/mi (WLTP)

Practical Convenience

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