The Comparative Analysis :
Mercedes CLS Coupé 350 9G-TRONIC (19 - ..) vs. Porsche Cayman S Sport Tiptronic (08 - 09)
€ 63,500

€ 72,600

€ 63,500
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 72,600
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The Mercedes CLS Coupé 350 is significantly bigger in every dimension. It's 25.5 inches longer, 3.5 inches wider and 5.5 inches taller than the Porsche Cayman S.
Mercedes CLS Coupé 350
Porsche Cayman S
56.5
74.4
81.5
51
70.9
77.9
74.4 in
Width
70.9 in
81.5 in
Width Incl. Mirrors
77.9 in
56.5 in
Height
51 in
115.7
196.4
95.1
170.9
196.4 in
Length
170.9 in
115.7 in
Wheelbase
95.1 in
Vehicle Weight
Mercedes CLS Coupé 350
Porsche Cayman S
3891 lb
Curb Weight
3208 lb
5313 lb
Gross Vehicle
Weight
Weight
3682 lb

Weight Difference:
683 lb
17.55 %

General
Mercedes CLS Coupé 350
Porsche Cayman S
C257
Generation
987C
Coupe
Car Body Style
Coupe
Mid-Grade Unleaded
Fuel Type
Premium Unleaded

Rear-wheel drive
Drivetrain
Rear-wheel drive

9-speed automatic transmission
Transmission
5-speed automatic transmission
Engine
Mercedes CLS Coupé 350
Porsche Cayman S
4-cylinder mild hybrid gasoline engine with turbocharger
Engine Type
6-cylinder boxer gasoline engine (naturally aspirated engine)
Mercedes-Benz M 264
Engine Series
M 264.920
Engine Code

4
Valves
4
4
Cylinders
6
2 L / 98 cu in
Displacement
3.4 L / 166 cu in
309 hp
at 5500 rpm
Power
299 hp
at 6250 rpm
Mercedes CLS Coupé 350
309 hp
299 hp
Porsche Cayman S
295 lb‑ft
at 3000 rpm
Max. Torque
251 lb‑ft
at 4400 rpm
Mercedes CLS Coupé 350
295 lb‑ft
251 lb‑ft
Porsche Cayman S
Performance
Mercedes CLS Coupé 350
Porsche Cayman S
155 mph
Maximum Speed
167 mph
6.1 sec
Acceleration 0 to 62 mph
6.1 sec
62 mph
62
mph
mph
279 ft
0.000 sec

Mercedes CLS Coupé 350
62 mph
62
mph
mph
279 ft
0.000 sec

Porsche Cayman S
▶ REPLAY
12.59 lb/hp
Weight-to-Power Ratio
10.73 lb/hp
Mercedes CLS Coupé 350
12.59 lb/hp
10.73 lb/hp
Porsche Cayman S
Fuel Economy / Emissions
Mercedes CLS Coupé 350
Porsche Cayman S
Fuel Economy
34 mpg
combined
21 mpg
Mercedes CLS Coupé 350
34 mpg
21 mpg
Porsche Cayman S
26 mpg
city
14 mpg
42 mpg
highway
30 mpg
17.4 gal
Fuel Tank Capacity
16.9 gal
595 mi
Range
362 mi
Mercedes CLS Coupé 350
595 mi
362 mi
Porsche Cayman S
Environmental Impact
130.7 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).
208.4 kWh
Mercedes CLS Coupé 350
130.7 kWh
208.4 kWh
Porsche Cayman S
Euro 6d-TEMP-EVAP-ISC (WLTP) 36CH, 36CI, 36DG
Emission Standard
Euro 4
285 g/mi (WLTP)
CO2 Emissions
422 g/mi (NEFZ)
Practical Convenience
Mercedes CLS Coupé 350
Porsche Cayman S
4
Doors
2
5
No. of Seats
2
1422 lb
Maximum Payload
474 lb
14.7 cu ft
Trunk Volume
11.6 cu ft









No data
Cargo Volume (Seats Down)
No data