The Comparative Analysis :
Porsche Cayman GTS (14 - 16) vs. Mercedes CLS Coupé 450 EQ Boost 4MATIC 9G-TRONIC (18 - 19)
€ 73,800

€ 70,900

€ 73,800
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 70,900
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The Porsche Cayman GTS is significantly smaller in every dimension. It's 23 inches shorter, 3.5 inches narrower and 5.9 inches lower than the Mercedes CLS Coupé 450 EQ Boost.
Porsche Cayman GTS
Mercedes CLS Coupé 450 EQ Boost
50.6
70.9
77.9
56.5
74.4
81.5
70.9 in
Width
74.4 in
77.9 in
Width Incl. Mirrors
81.5 in
50.6 in
Height
56.5 in
97.4
173.4
115.7
196.4
173.4 in
Length
196.4 in
97.4 in
Wheelbase
115.7 in
Vehicle Weight
Porsche Cayman GTS
Mercedes CLS Coupé 450 EQ Boost
3131 lb
Curb Weight
4277 lb
3671 lb
Gross Vehicle
Weight
Weight
5699 lb

Weight Difference:
1146 lb
26.79 %

General
Porsche Cayman GTS
Mercedes CLS Coupé 450 EQ Boost
981C
Generation
C257
Coupe
Car Body Style
Coupe
Premium Unleaded
Fuel Type
Mid-Grade Unleaded

Rear-wheel drive
Drivetrain
Permanent all-wheel drive (AWD)

6-speed manual transmission
Transmission
9-speed automatic transmission
Engine
Porsche Cayman GTS
Mercedes CLS Coupé 450 EQ Boost
6-cylinder boxer gasoline engine (naturally aspirated engine)
Engine Type
6-cylinder mild hybrid gasoline engine with turbocharger and electric driven compressor
Engine Series
Mercedes-Benz M 256
Engine Code
M 256.930

4
Valves
4
6
Cylinders
6
3.4 L / 166 cu in
Displacement
3 L / 147 cu in
335 hp
at 7400 rpm
Power
383 hp
at 5500 rpm
Porsche Cayman GTS
335 hp
383 hp
Mercedes CLS Coupé 450 EQ Boost
280 lb‑ft
at 4750 rpm
Max. Torque
369 lb‑ft
at 1600 rpm
Porsche Cayman GTS
280 lb‑ft
369 lb‑ft
Mercedes CLS Coupé 450 EQ Boost
Performance
Porsche Cayman GTS
Mercedes CLS Coupé 450 EQ Boost
177 mph
Maximum Speed
155 mph
4.9 sec
Acceleration 0 to 62 mph
4.8 sec
62 mph
62
mph
mph
223 ft
0.000 sec

Porsche Cayman GTS
62 mph
62
mph
mph
220 ft
0.000 sec

Mercedes CLS Coupé 450 EQ Boost
▶ REPLAY
9.35 lb/hp
Weight-to-Power Ratio
11.17 lb/hp
Porsche Cayman GTS
9.35 lb/hp
11.17 lb/hp
Mercedes CLS Coupé 450 EQ Boost
Fuel Economy / Emissions
Porsche Cayman GTS
Mercedes CLS Coupé 450 EQ Boost
Fuel Economy
26 mpg
combined
31 mpg
Porsche Cayman GTS
26 mpg
31 mpg
Mercedes CLS Coupé 450 EQ Boost
19 mpg
city
24 mpg
33 mpg
highway
39 mpg
16.9 gal
Fuel Tank Capacity
17.4 gal
442 mi
Range
547 mi
Porsche Cayman GTS
442 mi
547 mi
Mercedes CLS Coupé 450 EQ Boost
Environmental Impact
170.4 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).
142.1 kWh
Porsche Cayman GTS
170.4 kWh
142.1 kWh
Mercedes CLS Coupé 450 EQ Boost
Euro 6b (NEFZ)
Emission Standard
Euro 6d-TEMP (WLTP) 36AG-AI
340 g/mi (NEFZ)
CO2 Emissions
306 g/mi (WLTP)
Practical Convenience
Porsche Cayman GTS
Mercedes CLS Coupé 450 EQ Boost
2
Doors
4
2
No. of Seats
5
540 lb
Maximum Payload
1422 lb
9.5 cu ft
Trunk Volume
14.7 cu ft









No data
Cargo Volume (Seats Down)
No data