The Comparative Analysis :

Mercedes CLS Coupé 350 d 4MATIC 9G-TRONIC (15 - 17) vs. Porsche 718 Cayman GTS (17 - 18)

€ 64,900
Mercedes CLS Coupé 350 d 4MATIC 9G-TRONIC (15 - 17) Mercedes CLS Coupé 350 d
€ 76,100
Porsche 718 Cayman GTS (17 - 18) Porsche 718 Cayman GTS
€ 64,900
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 76,100

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

Vehicle Dimensions

The Mercedes CLS Coupé 350 d 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 350 d
Porsche 718 Cayman GTS
55.8
Blueprint Mercedes CLS Coupé 350 d 4MATIC 9G-TRONIC (15 - 17)
74.1
81.7
50.6
Blueprint Porsche 718 Cayman GTS (17 - 18)
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 350 d 4MATIC 9G-TRONIC (15 - 17)
113.1
194.4
Blueprint Porsche 718 Cayman GTS (17 - 18)
97.4
173
194.4 in
Length
173 in
113.1 in
Wheelbase
97.4 in

Vehicle Weight

Mercedes CLS Coupé 350 d
Porsche 718 Cayman GTS
4178 lb
Curb Weight
3197 lb
5247 lb
Gross Vehicle
Weight
3693 lb
Mercedes CLS Coupé 350 d 4MATIC 9G-TRONIC (15 - 17)
Weight Difference:
981 lb
23.48 %
Porsche 718 Cayman GTS (17 - 18)

General

Mercedes CLS Coupé 350 d
Porsche 718 Cayman GTS
C218
Generation
982C
Coupe
Car Body Style
Coupe
Diesel
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 350 d
Porsche 718 Cayman GTS
V6 diesel engine with tur­bo­charger
Engine Type
4-cylinder boxer gasoline engine with tur­bo­charger
Mercedes-Benz OM 642
Engine Series
OM 642.858
Engine Code
4
Valves
4
6
Cylinders
4
3 L / 147 cu in
Displacement
2.5 L / 122 cu in
254 hp
at 3400 rpm
Power
360 hp
at 6500 rpm
Mercedes CLS Coupé 350 d
254 hp
360 hp
Porsche 718 Cayman GTS
457 lb‑ft
at 1600 rpm
Max. Torque
310 lb‑ft
at 1900 rpm
Mercedes CLS Coupé 350 d
457 lb‑ft
310 lb‑ft
Porsche 718 Cayman GTS

Performance

Mercedes CLS Coupé 350 d
Porsche 718 Cayman GTS
155 mph
Maximum Speed
180 mph
6.4 sec
Acceleration 0 to 62 mph
4.6 sec
62 mph 62
mph

292 ft
0.000 sec

Mercedes CLS Coupé 350 d

62 mph 62
mph

210 ft
0.000 sec

Porsche 718 Cayman GTS

 REPLAY
16.45 lb/hp
Weight-to-Power Ratio
8.88 lb/hp
Mercedes CLS Coupé 350 d
16.45 lb/hp
8.88 lb/hp
Porsche 718 Cayman GTS

Fuel Economy / Emissions

Mercedes CLS Coupé 350 d
Porsche 718 Cayman GTS
Fuel Economy
40 mpg
combined
26 mpg
Mercedes CLS Coupé 350 d
40 mpg
26 mpg
Porsche 718 Cayman GTS
33 mpg
city
19 mpg
44 mpg
highway
34 mpg
Kraftstoffanzeige
15.6 gal
Fuel Tank Capacity
16.9 gal
Kraftstoffanzeige
621 mi
Range
442 mi
Mercedes CLS Coupé 350 d
621 mi
442 mi
Porsche 718 Cayman GTS
Environmental Impact
121.3 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).
170.4 kWh
Mercedes CLS Coupé 350 d
121.3 kWh
170.4 kWh
Porsche 718 Cayman GTS
Euro 6b (NEFZ)
Emission Standard
Euro 6c (NEFZ) 36ZA-ZF
256 g/mi (NEFZ)
CO2 Emissions
330 g/mi (NEFZ)

Practical Convenience

Mercedes CLS Coupé 350 d
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