The Comparative Analysis :

Mercedes CLS Coupé 400 9G-TRONIC (16 - 17) vs. Porsche 718 Cayman GTS 4.0 (20 - ..)

€ 63,400
Mercedes CLS Coupé 400 9G-TRONIC (16 - 17) Mercedes CLS Coupé 400
€ 81,900
 Porsche 718 Cayman GTS 4.0 (20 - ..) Porsche 718 Cayman GTS 4.0
€ 63,400
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 81,900

ⓘ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 21.4 inches longer, 3.1 inches wider and 5.6 inches taller than the Porsche 718 Cayman GTS 4.0.
Mercedes CLS Coupé 400
Porsche 718 Cayman GTS 4.0
55.8
Blueprint Mercedes CLS Coupé 400 9G-TRONIC (16 - 17)
74.1
81.7
50.2
Blueprint Porsche 718 Cayman GTS 4.0 (20 - ..)
70.9
78.5
74.1 in
Width
70.9 in
81.7 in
Width Incl. Mirrors
78.5 in
55.8 in
Height
50.2 in
Blueprint Mercedes CLS Coupé 400 9G-TRONIC (16 - 17)
113.1
194.4
Blueprint Porsche 718 Cayman GTS 4.0 (20 - ..)
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 4.0
3913 lb
Curb Weight
3263 lb
4982 lb
Gross Vehicle
Weight
3748 lb
Mercedes CLS Coupé 400 9G-TRONIC (16 - 17)
Weight Difference:
650 lb
16.61 %
Porsche 718 Cayman GTS 4.0 (20 - ..)

General

Mercedes CLS Coupé 400
Porsche 718 Cayman GTS 4.0
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 4.0
V6 gasoline engine with two tur­bo­chargers (bi­turbo)
Engine Type
6-cylinder boxer gasoline engine with tur­bo­charger
Mercedes-Benz M 276
Engine Series
M 276.850
Engine Code
4
Valves
4
6
Cylinders
6
3.5 L / 171 cu in
Displacement
4 L / 196 cu in
328 hp
at 5250 rpm
Power
395 hp
at 7000 rpm
Mercedes CLS Coupé 400
328 hp
395 hp
Porsche 718 Cayman GTS 4.0
354 lb‑ft
at 1200 rpm
Max. Torque
310 lb‑ft
at 5000 rpm
Mercedes CLS Coupé 400
354 lb‑ft
310 lb‑ft
Porsche 718 Cayman GTS 4.0

Performance

Mercedes CLS Coupé 400
Porsche 718 Cayman GTS 4.0
155 mph
Maximum Speed
182 mph
5.3 sec
Acceleration 0 to 62 mph
4.5 sec
62 mph 62
mph

243 ft
0.000 sec

Mercedes CLS Coupé 400

62 mph 62
mph

207 ft
0.000 sec

Porsche 718 Cayman GTS 4.0

▶ REPLAY
11.93 lb/hp
Weight-to-Power Ratio
8.26 lb/hp
Mercedes CLS Coupé 400
11.93 lb/hp
8.26 lb/hp
Porsche 718 Cayman GTS 4.0

Fuel Economy / Emissions

Mercedes CLS Coupé 400
Porsche 718 Cayman GTS 4.0
Fuel Economy
32 mpg
combined
22 mpg
Mercedes CLS Coupé 400
32 mpg
22 mpg
Porsche 718 Cayman GTS 4.0
23 mpg
city
15 mpg
41 mpg
highway
29 mpg
Kraftstoffanzeige
15.6 gal
Fuel Tank Capacity
16.9 gal
Kraftstoffanzeige
495 mi
Range
368 mi
Mercedes CLS Coupé 400
495 mi
368 mi
Porsche 718 Cayman GTS 4.0
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).
204.5 kWh
Mercedes CLS Coupé 400
140.2 kWh
204.5 kWh
Porsche 718 Cayman GTS 4.0
Euro 6b (NEFZ)
Emission Standard
Euro 6d-TEMP-EVAP-ISC (WLTP) 36CH, 36CI, 36DG
267 g/mi (NEFZ)
CO2 Emissions
398 g/mi (WLTP)

Practical Convenience

Mercedes CLS Coupé 400
Porsche 718 Cayman GTS 4.0
4
Doors
2
4
No. of Seats
2
1069 lb
Maximum Payload
485 lb
13.5 cu ft
Trunk Volume
11.9 cu ft
No data
Cargo Volume (Seats Down)
No data