The Comparative Analysis :

Mercedes CLS Coupé 400 d 4MATIC 9G-TRONIC (18 - ..) vs. Porsche 718 Cayman (19 - ..)

€ 72,500
Mercedes CLS Coupé 400 d 4MATIC 9G-TRONIC (18 - ..) Mercedes CLS Coupé 400 d
€ 54,400
 Porsche 718 Cayman (19 - ..) Porsche 718 Cayman
€ 72,500
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 54,400

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

Vehicle Dimensions

The Mercedes CLS Coupé 400 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.
Mercedes CLS Coupé 400 d
Porsche 718 Cayman
56.5
Blueprint Mercedes CLS Coupé 400 d 4MATIC 9G-TRONIC (18 - ..)
74.4
81.5
51
Blueprint Porsche 718 Cayman (19 - ..)
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 400 d 4MATIC 9G-TRONIC (18 - ..)
115.7
196.4
Blueprint Porsche 718 Cayman (19 - ..)
97.4
172.4
196.4 in
Length
172.4 in
115.7 in
Wheelbase
97.4 in

Vehicle Weight

Mercedes CLS Coupé 400 d
Porsche 718 Cayman
4266 lb
Curb Weight
3109 lb
5611 lb
Gross Vehicle
Weight
3649 lb
Mercedes CLS Coupé 400 d 4MATIC 9G-TRONIC (18 - ..)
Weight Difference:
1157 lb
27.12 %
Porsche 718 Cayman (19 - ..)

General

Mercedes CLS Coupé 400 d
Porsche 718 Cayman
C257
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 400 d
Porsche 718 Cayman
Straight-six diesel engine with two tur­bo­chargers (bi­turbo)
Engine Type
4-cylinder boxer gasoline engine with tur­bo­charger
Mercedes-Benz OM 656
Engine Series
OM 656.929
Engine Code
4
Valves
4
6
Cylinders
4
2.9 L / 142 cu in
Displacement
2 L / 98 cu in
335 hp
at 4400 rpm
Power
296 hp
at 6500 rpm
Mercedes CLS Coupé 400 d
335 hp
296 hp
Porsche 718 Cayman
516 lb‑ft
at 1200 rpm
Max. Torque
280 lb‑ft
at 2150 rpm
Mercedes CLS Coupé 400 d
516 lb‑ft
280 lb‑ft
Porsche 718 Cayman

Performance

Mercedes CLS Coupé 400 d
Porsche 718 Cayman
155 mph
Maximum Speed
171 mph
5 sec
Acceleration 0 to 62 mph
5.1 sec
62 mph 62
mph

226 ft
0.000 sec

Mercedes CLS Coupé 400 d

62 mph 62
mph

233 ft
0.000 sec

Porsche 718 Cayman

▶ REPLAY
12.73 lb/hp
Weight-to-Power Ratio
10.5 lb/hp
Mercedes CLS Coupé 400 d
12.73 lb/hp
10.5 lb/hp
Porsche 718 Cayman

Fuel Economy / Emissions

Mercedes CLS Coupé 400 d
Porsche 718 Cayman
Fuel Economy
40 mpg
combined
29 mpg
Mercedes CLS Coupé 400 d
40 mpg
29 mpg
Porsche 718 Cayman
34 mpg
city
21 mpg
44 mpg
highway
38 mpg
Kraftstoffanzeige
13.2 gal
Fuel Tank Capacity
14.3 gal
Kraftstoffanzeige
526 mi
Range
414 mi
Mercedes CLS Coupé 400 d
526 mi
414 mi
Porsche 718 Cayman
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).
153.5 kWh
Mercedes CLS Coupé 400 d
121.3 kWh
153.5 kWh
Porsche 718 Cayman
Euro 6d-TEMP
Emission Standard
Euro 6d-TEMP
291 g/mi (WLTP)
CO2 Emissions
317 g/mi (WLTP)

Practical Convenience

Mercedes CLS Coupé 400 d
Porsche 718 Cayman
4
Doors
2
5
No. of Seats
2
1345 lb
Maximum Payload
540 lb
14.7 cu ft
Trunk Volume
12 cu ft
No data
Cargo Volume (Seats Down)
No data