The Comparative Analysis :

Mercedes CLS Coupé 350 EQ Boost 9G-TRONIC (18 - 19) vs. Porsche Cayman S (13 - 16)

€ 63,500
Mercedes CLS Coupé 350 EQ Boost 9G-TRONIC (18 - 19) Mercedes CLS Coupé 350 EQ Boost
€ 64,100
 Porsche Cayman S (13 - 16) Porsche Cayman S
€ 63,500
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 64,100

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

Vehicle Dimensions

The Mercedes CLS Coupé 350 EQ Boost is significantly bigger in every dimension. It's 23.9 inches longer, 3.5 inches wider and 5.5 inches taller than the Porsche Cayman S.
Mercedes CLS Coupé 350 EQ Boost
Porsche Cayman S
56.5
Blueprint Mercedes CLS Coupé 350 EQ Boost 9G-TRONIC (18 - 19)
74.4
81.5
51
Blueprint Porsche Cayman S (13 - 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
51 in
Blueprint Mercedes CLS Coupé 350 EQ Boost 9G-TRONIC (18 - 19)
115.7
196.4
Blueprint Porsche Cayman S (13 - 16)
97.4
172.4
196.4 in
Length
172.4 in
115.7 in
Wheelbase
97.4 in

Vehicle Weight

Mercedes CLS Coupé 350 EQ Boost
Porsche Cayman S
3913 lb
Curb Weight
3075 lb
5335 lb
Gross Vehicle
Weight
3671 lb
Mercedes CLS Coupé 350 EQ Boost 9G-TRONIC (18 - 19)
Weight Difference:
838 lb
21.41 %
Porsche Cayman S (13 - 16)

General

Mercedes CLS Coupé 350 EQ Boost
Porsche Cayman S
C257
Generation
981C
Coupe
Car Body Style
Coupe
Mid-Grade Unleaded
Fuel Type
Premium Unleaded
Rear-wheel drive
Drivetrain
Rear-wheel drive
9-speed automatic transmission
Transmission
6-speed manual transmission

Engine

Mercedes CLS Coupé 350 EQ Boost
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
321 hp
at 7400 rpm
Mercedes CLS Coupé 350 EQ Boost
309 hp
321 hp
Porsche Cayman S
295 lb‑ft
at 3000 rpm
Max. Torque
273 lb‑ft
at 4500 rpm
Mercedes CLS Coupé 350 EQ Boost
295 lb‑ft
273 lb‑ft
Porsche Cayman S

Performance

Mercedes CLS Coupé 350 EQ Boost
Porsche Cayman S
155 mph
Maximum Speed
176 mph
6 sec
Acceleration 0 to 62 mph
5 sec
62 mph 62
mph

272 ft
0.000 sec

Mercedes CLS Coupé 350 EQ Boost

62 mph 62
mph

226 ft
0.000 sec

Porsche Cayman S

▶ REPLAY
12.66 lb/hp
Weight-to-Power Ratio
9.58 lb/hp
Mercedes CLS Coupé 350 EQ Boost
12.66 lb/hp
9.58 lb/hp
Porsche Cayman S

Fuel Economy / Emissions

Mercedes CLS Coupé 350 EQ Boost
Porsche Cayman S
Fuel Economy
34 mpg
combined
27 mpg
Mercedes CLS Coupé 350 EQ Boost
34 mpg
27 mpg
Porsche Cayman S
25 mpg
city
19 mpg
42 mpg
highway
34 mpg
Kraftstoffanzeige
17.4 gal
Fuel Tank Capacity
16.9 gal
Kraftstoffanzeige
595 mi
Range
452 mi
Mercedes CLS Coupé 350 EQ Boost
595 mi
452 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).
166.7 kWh
Mercedes CLS Coupé 350 EQ Boost
130.7 kWh
166.7 kWh
Porsche Cayman S
Euro 6d-TEMP (WLTP) 36AG-AI
Emission Standard
Euro 5 / Euro 6
296 g/mi (WLTP)
CO2 Emissions
332 g/mi (NEFZ)

Practical Convenience

Mercedes CLS Coupé 350 EQ Boost
Porsche Cayman S
4
Doors
2
5
No. of Seats
2
1422 lb
Maximum Payload
595 lb
14.7 cu ft
Trunk Volume
9.5 cu ft
No data
Cargo Volume (Seats Down)
No data