The Comparative Analysis :

Mercedes CLS Coupé 500 4MATIC 9G-TRONIC (15 - 17) vs. Porsche Cayman GTS PDK (14 - 16)

€ 84,800
Mercedes CLS Coupé 500 4MATIC 9G-TRONIC (15 - 17) Mercedes CLS Coupé 500
€ 77,200
 Porsche Cayman GTS PDK (14 - 16) Porsche Cayman GTS
€ 84,800
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 77,200

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

Vehicle Dimensions

The Mercedes CLS Coupé 500 is significantly bigger in every dimension. It's 21 inches longer, 3.1 inches wider and 5.3 inches taller than the Porsche Cayman GTS.
Mercedes CLS Coupé 500
Porsche Cayman GTS
55.8
Blueprint Mercedes CLS Coupé 500 4MATIC 9G-TRONIC (15 - 17)
74.1
81.7
50.6
Blueprint Porsche Cayman GTS PDK (14 - 16)
70.9
77.9
74.1 in
Width
70.9 in
81.7 in
Width Incl. Mirrors
77.9 in
55.8 in
Height
50.6 in
Blueprint Mercedes CLS Coupé 500 4MATIC 9G-TRONIC (15 - 17)
113.1
194.4
Blueprint Porsche Cayman GTS PDK (14 - 16)
97.4
173.4
194.4 in
Length
173.4 in
113.1 in
Wheelbase
97.4 in

Vehicle Weight

Mercedes CLS Coupé 500
Porsche Cayman GTS
4277 lb
Curb Weight
3197 lb
5346 lb
Gross Vehicle
Weight
3737 lb
Mercedes CLS Coupé 500 4MATIC 9G-TRONIC (15 - 17)
Weight Difference:
1080 lb
25.25 %
Porsche Cayman GTS PDK (14 - 16)

General

Mercedes CLS Coupé 500
Porsche Cayman GTS
C218
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
7-speed dual clutch transmission

Engine

Mercedes CLS Coupé 500
Porsche Cayman GTS
V8 gasoline engine with two tur­bo­chargers (bi­turbo)
Engine Type
6-cylinder boxer gasoline engine (nat­u­ral­ly as­pi­rat­ed engine)
Mercedes-Benz M 278
Engine Series
M 278.922
Engine Code
4
Valves
4
8
Cylinders
6
4.7 L / 230 cu in
Displacement
3.4 L / 166 cu in
402 hp
at 5000 rpm
Power
335 hp
at 7400 rpm
Mercedes CLS Coupé 500
402 hp
335 hp
Porsche Cayman GTS
443 lb‑ft
at 1600 rpm
Max. Torque
280 lb‑ft
at 4750 rpm
Mercedes CLS Coupé 500
443 lb‑ft
280 lb‑ft
Porsche Cayman GTS

Performance

Mercedes CLS Coupé 500
Porsche Cayman GTS
155 mph
Maximum Speed
176 mph
4.8 sec
Acceleration 0 to 62 mph
4.8 sec
62 mph 62
mph

220 ft
0.000 sec

Mercedes CLS Coupé 500

62 mph 62
mph

220 ft
0.000 sec

Porsche Cayman GTS

▶ REPLAY
10.64 lb/hp
Weight-to-Power Ratio
9.54 lb/hp
Mercedes CLS Coupé 500
10.64 lb/hp
9.54 lb/hp
Porsche Cayman GTS

Fuel Economy / Emissions

Mercedes CLS Coupé 500
Porsche Cayman GTS
Fuel Economy
26 mpg
combined
29 mpg
Mercedes CLS Coupé 500
26 mpg
29 mpg
Porsche Cayman GTS
19 mpg
city
21 mpg
33 mpg
highway
37 mpg
Kraftstoffanzeige
21.1 gal
Fuel Tank Capacity
16.9 gal
Kraftstoffanzeige
546 mi
Range
485 mi
Mercedes CLS Coupé 500
546 mi
485 mi
Porsche Cayman GTS
Environmental Impact
172.4 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).
155.3 kWh
Mercedes CLS Coupé 500
172.4 kWh
155.3 kWh
Porsche Cayman GTS
Euro 6b (NEFZ)
Emission Standard
Euro 6b (NEFZ)
343 g/mi (NEFZ)
CO2 Emissions
306 g/mi (NEFZ)

Practical Convenience

Mercedes CLS Coupé 500
Porsche Cayman GTS
4
Doors
2
4
No. of Seats
2
1069 lb
Maximum Payload
540 lb
13.5 cu ft
Trunk Volume
9.5 cu ft
No data
Cargo Volume (Seats Down)
No data