The Comparative Analysis :

Mercedes CLS Coupé 450 EQ Boost 4MATIC 9G-TRONIC (18 - 19) vs. Porsche Cayman GTS (14 - 16)

€ 70,900
Mercedes CLS Coupé 450 EQ Boost 4MATIC 9G-TRONIC (18 - 19) Mercedes CLS Coupé 450 EQ Boost
€ 73,800
 Porsche Cayman GTS (14 - 16) Porsche Cayman GTS
€ 70,900
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 73,800

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

Vehicle Dimensions

The Mercedes CLS Coupé 450 EQ Boost is significantly bigger in every dimension. It's 23 inches longer, 3.5 inches wider and 5.9 inches taller than the Porsche Cayman GTS.
Mercedes CLS Coupé 450 EQ Boost
Porsche Cayman GTS
56.5
Blueprint Mercedes CLS Coupé 450 EQ Boost 4MATIC 9G-TRONIC (18 - 19)
74.4
81.5
50.6
Blueprint Porsche Cayman GTS (14 - 16)
70.9
77.9
74.4 in
Width
70.9 in
81.5 in
Width Incl. Mirrors
77.9 in
56.5 in
Height
50.6 in
Blueprint Mercedes CLS Coupé 450 EQ Boost 4MATIC 9G-TRONIC (18 - 19)
115.7
196.4
Blueprint Porsche Cayman GTS (14 - 16)
97.4
173.4
196.4 in
Length
173.4 in
115.7 in
Wheelbase
97.4 in

Vehicle Weight

Mercedes CLS Coupé 450 EQ Boost
Porsche Cayman GTS
4277 lb
Curb Weight
3131 lb
5699 lb
Gross Vehicle
Weight
3671 lb
Mercedes CLS Coupé 450 EQ Boost 4MATIC 9G-TRONIC (18 - 19)
Weight Difference:
1146 lb
26.79 %
Porsche Cayman GTS (14 - 16)

General

Mercedes CLS Coupé 450 EQ Boost
Porsche Cayman GTS
C257
Generation
981C
Coupe
Car Body Style
Coupe
Mid-Grade Unleaded
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 450 EQ Boost
Porsche Cayman GTS
6-cylinder mild hybrid gasoline engine with tur­bo­charger and elec­tric driven com­pres­sor
Engine Type
6-cylinder boxer gasoline engine (nat­u­ral­ly as­pi­rat­ed engine)
Mercedes-Benz M 256
Engine Series
M 256.930
Engine Code
4
Valves
4
6
Cylinders
6
3 L / 147 cu in
Displacement
3.4 L / 166 cu in
383 hp
at 5500 rpm
Power
335 hp
at 7400 rpm
Mercedes CLS Coupé 450 EQ Boost
383 hp
335 hp
Porsche Cayman GTS
369 lb‑ft
at 1600 rpm
Max. Torque
280 lb‑ft
at 4750 rpm
Mercedes CLS Coupé 450 EQ Boost
369 lb‑ft
280 lb‑ft
Porsche Cayman GTS

Performance

Mercedes CLS Coupé 450 EQ Boost
Porsche Cayman GTS
155 mph
Maximum Speed
177 mph
4.8 sec
Acceleration 0 to 62 mph
4.9 sec
62 mph 62
mph

220 ft
0.000 sec

Mercedes CLS Coupé 450 EQ Boost

62 mph 62
mph

223 ft
0.000 sec

Porsche Cayman GTS

▶ REPLAY
11.17 lb/hp
Weight-to-Power Ratio
9.35 lb/hp
Mercedes CLS Coupé 450 EQ Boost
11.17 lb/hp
9.35 lb/hp
Porsche Cayman GTS

Fuel Economy / Emissions

Mercedes CLS Coupé 450 EQ Boost
Porsche Cayman GTS
Fuel Economy
31 mpg
combined
26 mpg
Mercedes CLS Coupé 450 EQ Boost
31 mpg
26 mpg
Porsche Cayman GTS
24 mpg
city
19 mpg
39 mpg
highway
33 mpg
Kraftstoffanzeige
17.4 gal
Fuel Tank Capacity
16.9 gal
Kraftstoffanzeige
547 mi
Range
442 mi
Mercedes CLS Coupé 450 EQ Boost
547 mi
442 mi
Porsche Cayman GTS
Environmental Impact
142.1 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).
170.4 kWh
Mercedes CLS Coupé 450 EQ Boost
142.1 kWh
170.4 kWh
Porsche Cayman GTS
Euro 6d-TEMP (WLTP) 36AG-AI
Emission Standard
Euro 6b (NEFZ)
306 g/mi (WLTP)
CO2 Emissions
340 g/mi (NEFZ)

Practical Convenience

Mercedes CLS Coupé 450 EQ Boost
Porsche Cayman GTS
4
Doors
2
5
No. of Seats
2
1422 lb
Maximum Payload
540 lb
14.7 cu ft
Trunk Volume
9.5 cu ft
No data
Cargo Volume (Seats Down)
No data