The Comparative Analysis :

Mercedes CLS Coupé 250 BlueTEC 9G-TRONIC (14 - 15) vs. Porsche 718 Cayman GTS PDK (17 - 18)

€ 56,900
Mercedes CLS Coupé 250 BlueTEC 9G-TRONIC (14 - 15) Mercedes CLS Coupé 250 BlueTEC
€ 79,400
 Porsche 718 Cayman GTS PDK (17 - 18) Porsche 718 Cayman GTS
€ 56,900
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 79,400

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

Vehicle Dimensions

The Mercedes CLS Coupé 250 BlueTEC 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 250 BlueTEC
Porsche 718 Cayman GTS
55.8
Blueprint Mercedes CLS Coupé 250 BlueTEC 9G-TRONIC (14 - 15)
74.1
81.7
50.6
Blueprint Porsche 718 Cayman GTS PDK (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 250 BlueTEC 9G-TRONIC (14 - 15)
113.1
194.4
Blueprint Porsche 718 Cayman GTS PDK (17 - 18)
97.4
173
194.4 in
Length
173 in
113.1 in
Wheelbase
97.4 in

Vehicle Weight

Mercedes CLS Coupé 250 BlueTEC
Porsche 718 Cayman GTS
4001 lb
Curb Weight
3263 lb
5071 lb
Gross Vehicle
Weight
3759 lb
Mercedes CLS Coupé 250 BlueTEC 9G-TRONIC (14 - 15)
Weight Difference:
739 lb
18.47 %
Porsche 718 Cayman GTS PDK (17 - 18)

General

Mercedes CLS Coupé 250 BlueTEC
Porsche 718 Cayman GTS
C218
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 250 BlueTEC
Porsche 718 Cayman GTS
Straight-four diesel engine with two tur­bo­chargers (bi­turbo)
Engine Type
4-cylinder boxer gasoline engine with tur­bo­charger
Mercedes-Benz OM 651
Engine Series
OM 651.924
Engine Code
4
Valves
4
4
Cylinders
4
2.1 L / 103 cu in
Displacement
2.5 L / 122 cu in
201 hp
at 3800 rpm
Power
360 hp
at 6500 rpm
Mercedes CLS Coupé 250 BlueTEC
201 hp
360 hp
Porsche 718 Cayman GTS
369 lb‑ft
at 1600 rpm
Max. Torque
317 lb‑ft
at 1900 rpm
Mercedes CLS Coupé 250 BlueTEC
369 lb‑ft
317 lb‑ft
Porsche 718 Cayman GTS

Performance

Mercedes CLS Coupé 250 BlueTEC
Porsche 718 Cayman GTS
150 mph
Maximum Speed
180 mph
7.5 sec
Acceleration 0 to 62 mph
4.3 sec
62 mph 62
mph

341 ft
0.000 sec

Mercedes CLS Coupé 250 BlueTEC

62 mph 62
mph

197 ft
0.000 sec

Porsche 718 Cayman GTS

▶ REPLAY
19.91 lb/hp
Weight-to-Power Ratio
9.06 lb/hp
Mercedes CLS Coupé 250 BlueTEC
19.91 lb/hp
9.06 lb/hp
Porsche 718 Cayman GTS

Fuel Economy / Emissions

Mercedes CLS Coupé 250 BlueTEC
Porsche 718 Cayman GTS
Fuel Economy
51 mpg
combined
29 mpg
Mercedes CLS Coupé 250 BlueTEC
51 mpg
29 mpg
Porsche 718 Cayman GTS
43 mpg
city
22 mpg
57 mpg
highway
36 mpg
Kraftstoffanzeige
15.6 gal
Fuel Tank Capacity
16.9 gal
Kraftstoffanzeige
797 mi
Range
485 mi
Mercedes CLS Coupé 250 BlueTEC
797 mi
485 mi
Porsche 718 Cayman GTS
Environmental Impact
94.6 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).
155.3 kWh
Mercedes CLS Coupé 250 BlueTEC
94.6 kWh
155.3 kWh
Porsche 718 Cayman GTS
Euro 6b (NEFZ)
Emission Standard
Euro 6c (NEFZ) 36ZA-ZF
196 g/mi (NEFZ)
CO2 Emissions
299 g/mi (NEFZ)

Practical Convenience

Mercedes CLS Coupé 250 BlueTEC
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