The Comparative Analysis :
Mercedes CLS Coupé 250 d 4MATIC 7G-TRONIC PLUS (15 - 17) vs. Porsche 718 Cayman PDK (16 - 18)
€ 59,900

€ 55,500

€ 59,900
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 55,500
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The Mercedes CLS Coupé 250 d is significantly bigger in every dimension. It's 55.8 cm longer, 8 cm wider and 12.3 cm taller than the Porsche 718 Cayman.
Mercedes CLS Coupé 250 d
Porsche 718 Cayman
1418
1881
2075
1295
1801
1994
1881 mm
Width
1801 mm
2075 mm
Width Incl. Mirrors
1994 mm
1418 mm
Height
1295 mm
2874
4937
2475
4379
4937 mm
Length
4379 mm
2874 mm
Wheelbase
2475 mm
Vehicle Weight
Mercedes CLS Coupé 250 d
Porsche 718 Cayman
1875 kg
Kerb Weight
1440 kg
2360 kg
Gross Vehicle
Weight
Weight
1685 kg

Weight Difference:
435 kg
23.2 %

General
Mercedes CLS Coupé 250 d
Porsche 718 Cayman
C218
Generation
982C
Coupe
Car Body Style
Coupe
Diesel
Fuel Type
Super Unleaded (98 RON)

Permanent all-wheel drive
Drive
Rear-wheel drive

7-speed automatic transmission
Transmission
7-speed dual clutch transmission
Engine
Mercedes CLS Coupé 250 d
Porsche 718 Cayman
Straight-four diesel engine with two turbochargers (biturbo)
Engine Type
4-cylinder boxer petrol engine with turbocharger
Mercedes-Benz OM 651
Engine Series
OM 651.924
Engine Code

4
Valves
4
4
Cylinders
4
2143 CC
Engine Capacity
1988 CC
201 bhp
at 3800 rpm
Power
296 bhp
at 6500 rpm
Mercedes CLS Coupé 250 d
201 bhp
296 bhp
Porsche 718 Cayman
500 NM
at 1600 rpm
Max. Torque
380 NM
at 1950 rpm
Mercedes CLS Coupé 250 d
500 NM
380 NM
Porsche 718 Cayman
Performance
Mercedes CLS Coupé 250 d
Porsche 718 Cayman
147 mph
Maximum Speed
171 mph
7.9 sec
Acceleration 0 to 62 mph
4.9 sec
62 mph
62
mph
mph
110 m
0.000 sec

Mercedes CLS Coupé 250 d
62 mph
62
mph
mph
68 m
0.000 sec

Porsche 718 Cayman
▶ REPLAY
9.33 kg/bhp
Weight-to-Power Ratio
4.86 kg/bhp
Mercedes CLS Coupé 250 d
9.33 kg/bhp
4.86 kg/bhp
Porsche 718 Cayman
Fuel Economy / Emissions
Mercedes CLS Coupé 250 d
Porsche 718 Cayman
Fuel Economy
53 mpg
combined
41 mpg
Mercedes CLS Coupé 250 d
53 mpg
41 mpg
Porsche 718 Cayman
44 mpg
city
31 mpg
61 mpg
motorway
50 mpg
59 L
Fuel Tank Capacity
54 L
692 mi
Range
487 mi
Mercedes CLS Coupé 250 d
692 mi
487 mi
Porsche 718 Cayman
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).
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).
130.7 kWh
Mercedes CLS Coupé 250 d
109.1 kWh
130.7 kWh
Porsche 718 Cayman
Euro 6b (NEFZ)
Emission Standard
Euro 6c (NEFZ) 36ZA-ZF
139 g/km (NEFZ)
CO2 Emissions
158 g/km (NEFZ)
Practical Convenience
Mercedes CLS Coupé 250 d
Porsche 718 Cayman
4
Doors
2
4
No. of Seats
2
485 kg
Maximum Payload
245 kg
475 L
Boot Capacity
425 L










No data
Boot Capacity (Seats Down)
No data