The Comparative Analysis :

Mercedes CLS Coupé 300 d 9G-TRONIC (18 - ..) vs. Porsche 718 Cayman GTS (17 - 18)

€ 60,600
Mercedes CLS Coupé 300 d 9G-TRONIC (18 - ..) Mercedes CLS Coupé 300 d
€ 76,100
 Porsche 718 Cayman GTS (17 - 18) Porsche 718 Cayman GTS
€ 60,600
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 300 d is significantly bigger in every dimension. It's 23.4 inches longer, 3.5 inches wider and 5.9 inches taller than the Porsche 718 Cayman GTS.
Mercedes CLS Coupé 300 d
Porsche 718 Cayman GTS
56.5
Blueprint Mercedes CLS Coupé 300 d 9G-TRONIC (18 - ..)
74.4
81.5
50.6
Blueprint Porsche 718 Cayman GTS (17 - 18)
70.9
78.5
74.4 in
Width
70.9 in
81.5 in
Width Incl. Mirrors
78.5 in
56.5 in
Height
50.6 in
Blueprint Mercedes CLS Coupé 300 d 9G-TRONIC (18 - ..)
115.7
196.4
Blueprint Porsche 718 Cayman GTS (17 - 18)
97.4
173
196.4 in
Length
173 in
115.7 in
Wheelbase
97.4 in

Vehicle Weight

Mercedes CLS Coupé 300 d
Porsche 718 Cayman GTS
4023 lb
Curb Weight
3197 lb
5390 lb
Gross Vehicle
Weight
3693 lb
Mercedes CLS Coupé 300 d 9G-TRONIC (18 - ..)
Weight Difference:
827 lb
20.55 %
Porsche 718 Cayman GTS (17 - 18)

General

Mercedes CLS Coupé 300 d
Porsche 718 Cayman GTS
C257
Generation
982C
Coupe
Car Body Style
Coupe
Diesel
Fuel Type
Premium Unleaded
Rear-wheel drive
Drivetrain
Rear-wheel drive
9-speed automatic transmission
Transmission
6-speed manual transmission

Engine

Mercedes CLS Coupé 300 d
Porsche 718 Cayman GTS
Straight-four diesel engine with two tur­bo­chargers (bi­turbo)
Engine Type
4-cylinder boxer gasoline engine with tur­bo­charger
Mercedes-Benz OM 654
Engine Series
OM 654.920
Engine Code
4
Valves
4
4
Cylinders
4
2 L / 98 cu in
Displacement
2.5 L / 122 cu in
242 hp
at 4600 rpm
Power
360 hp
at 6500 rpm
Mercedes CLS Coupé 300 d
242 hp
360 hp
Porsche 718 Cayman GTS
369 lb‑ft
at 1600 rpm
Max. Torque
310 lb‑ft
at 1900 rpm
Mercedes CLS Coupé 300 d
369 lb‑ft
310 lb‑ft
Porsche 718 Cayman GTS

Performance

Mercedes CLS Coupé 300 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 300 d

62 mph 62
mph

210 ft
0.000 sec

Porsche 718 Cayman GTS

▶ REPLAY
16.62 lb/hp
Weight-to-Power Ratio
8.88 lb/hp
Mercedes CLS Coupé 300 d
16.62 lb/hp
8.88 lb/hp
Porsche 718 Cayman GTS

Fuel Economy / Emissions

Mercedes CLS Coupé 300 d
Porsche 718 Cayman GTS
Fuel Economy
44 mpg
combined
26 mpg
Mercedes CLS Coupé 300 d
44 mpg
26 mpg
Porsche 718 Cayman GTS
36 mpg
city
19 mpg
52 mpg
highway
34 mpg
Kraftstoffanzeige
13.2 gal
Fuel Tank Capacity
16.9 gal
Kraftstoffanzeige
586 mi
Range
442 mi
Mercedes CLS Coupé 300 d
586 mi
442 mi
Porsche 718 Cayman GTS
Environmental Impact
109.1 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).
170.4 kWh
Mercedes CLS Coupé 300 d
109.1 kWh
170.4 kWh
Porsche 718 Cayman GTS
Euro 6d-TEMP
Emission Standard
Euro 6c (NEFZ) 36ZA-ZF
254 g/mi (WLTP)
CO2 Emissions
330 g/mi (NEFZ)

Practical Convenience

Mercedes CLS Coupé 300 d
Porsche 718 Cayman GTS
4
Doors
2
5
No. of Seats
2
1367 lb
Maximum Payload
496 lb
14.7 cu ft
Trunk Volume
12 cu ft
No data
Cargo Volume (Seats Down)
No data