The Comparative Analysis :

Mercedes CLS Coupé 300 d 9G-TRONIC (18 - ..) vs. Porsche 718 Cayman S PDK (16 - 18)

€ 60,600
Mercedes CLS Coupé 300 d 9G-TRONIC (18 - ..) Mercedes CLS Coupé 300 d
€ 68,000
 Porsche 718 Cayman S PDK (16 - 18) Porsche 718 Cayman S
€ 60,600
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 68,000

ⓘ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 24 inches longer, 3.5 inches wider and 5.5 inches taller than the Porsche 718 Cayman S.
Mercedes CLS Coupé 300 d
Porsche 718 Cayman S
56.5
Blueprint Mercedes CLS Coupé 300 d 9G-TRONIC (18 - ..)
74.4
81.5
51
Blueprint Porsche 718 Cayman S PDK (16 - 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
51 in
Blueprint Mercedes CLS Coupé 300 d 9G-TRONIC (18 - ..)
115.7
196.4
Blueprint Porsche 718 Cayman S PDK (16 - 18)
97.4
172.4
196.4 in
Length
172.4 in
115.7 in
Wheelbase
97.4 in

Vehicle Weight

Mercedes CLS Coupé 300 d
Porsche 718 Cayman S
4023 lb
Curb Weight
3219 lb
5390 lb
Gross Vehicle
Weight
3737 lb
Mercedes CLS Coupé 300 d 9G-TRONIC (18 - ..)
Weight Difference:
805 lb
20.01 %
Porsche 718 Cayman S PDK (16 - 18)

General

Mercedes CLS Coupé 300 d
Porsche 718 Cayman S
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
7-speed dual clutch transmission

Engine

Mercedes CLS Coupé 300 d
Porsche 718 Cayman S
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
345 hp
at 6500 rpm
Mercedes CLS Coupé 300 d
242 hp
345 hp
Porsche 718 Cayman S
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 S

Performance

Mercedes CLS Coupé 300 d
Porsche 718 Cayman S
155 mph
Maximum Speed
177 mph
6.4 sec
Acceleration 0 to 62 mph
4.4 sec
62 mph 62
mph

292 ft
0.000 sec

Mercedes CLS Coupé 300 d

62 mph 62
mph

200 ft
0.000 sec

Porsche 718 Cayman S

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

Fuel Economy / Emissions

Mercedes CLS Coupé 300 d
Porsche 718 Cayman S
Fuel Economy
44 mpg
combined
32 mpg
Mercedes CLS Coupé 300 d
44 mpg
32 mpg
Porsche 718 Cayman S
36 mpg
city
25 mpg
52 mpg
highway
39 mpg
Kraftstoffanzeige
13.2 gal
Fuel Tank Capacity
16.9 gal
Kraftstoffanzeige
586 mi
Range
545 mi
Mercedes CLS Coupé 300 d
586 mi
545 mi
Porsche 718 Cayman S
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).
138.2 kWh
Mercedes CLS Coupé 300 d
109.1 kWh
138.2 kWh
Porsche 718 Cayman S
Euro 6d-TEMP
Emission Standard
Euro 6c (NEFZ) 36ZA-ZF
254 g/mi (WLTP)
CO2 Emissions
269 g/mi (NEFZ)

Practical Convenience

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