The Comparative Analysis :

Mercedes CLS Coupé 500 4MATIC 7G-TRONIC PLUS (14 - 15) vs. Porsche 718 Cayman S (16 - 18)

€ 84,500
Mercedes CLS Coupé 500 4MATIC 7G-TRONIC PLUS (14 - 15) Mercedes CLS Coupé 500
€ 65,200
 Porsche 718 Cayman S (16 - 18) Porsche 718 Cayman S
€ 84,500
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 65,200

ⓘ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 22 inches longer, 3.1 inches wider and 4.8 inches taller than the Porsche 718 Cayman S.
Mercedes CLS Coupé 500
Porsche 718 Cayman S
55.8
Blueprint Mercedes CLS Coupé 500 4MATIC 7G-TRONIC PLUS (14 - 15)
74.1
81.7
51
Blueprint Porsche 718 Cayman S (16 - 18)
70.9
78.5
74.1 in
Width
70.9 in
81.7 in
Width Incl. Mirrors
78.5 in
55.8 in
Height
51 in
Blueprint Mercedes CLS Coupé 500 4MATIC 7G-TRONIC PLUS (14 - 15)
113.1
194.4
Blueprint Porsche 718 Cayman S (16 - 18)
97.4
172.4
194.4 in
Length
172.4 in
113.1 in
Wheelbase
97.4 in

Vehicle Weight

Mercedes CLS Coupé 500
Porsche 718 Cayman S
4277 lb
Curb Weight
3153 lb
5346 lb
Gross Vehicle
Weight
3671 lb
Mercedes CLS Coupé 500 4MATIC 7G-TRONIC PLUS (14 - 15)
Weight Difference:
1124 lb
26.28 %
Porsche 718 Cayman S (16 - 18)

General

Mercedes CLS Coupé 500
Porsche 718 Cayman S
C218
Generation
982C
Coupe
Car Body Style
Coupe
Mid-Grade Unleaded
Fuel Type
Premium Unleaded
Permanent all-wheel drive (AWD)
Drivetrain
Rear-wheel drive
7-speed automatic transmission
Transmission
6-speed manual transmission

Engine

Mercedes CLS Coupé 500
Porsche 718 Cayman S
V8 gasoline engine with two tur­bo­chargers (bi­turbo)
Engine Type
4-cylinder boxer gasoline engine with tur­bo­charger
Mercedes-Benz M 278
Engine Series
M 278.922
Engine Code
4
Valves
4
8
Cylinders
4
4.7 L / 230 cu in
Displacement
2.5 L / 122 cu in
402 hp
at 5000 rpm
Power
345 hp
at 6500 rpm
Mercedes CLS Coupé 500
402 hp
345 hp
Porsche 718 Cayman S
443 lb‑ft
at 1600 rpm
Max. Torque
310 lb‑ft
at 1900 rpm
Mercedes CLS Coupé 500
443 lb‑ft
310 lb‑ft
Porsche 718 Cayman S

Performance

Mercedes CLS Coupé 500
Porsche 718 Cayman S
155 mph
Maximum Speed
177 mph
4.8 sec
Acceleration 0 to 62 mph
4.6 sec
62 mph 62
mph

220 ft
0.000 sec

Mercedes CLS Coupé 500

62 mph 62
mph

210 ft
0.000 sec

Porsche 718 Cayman S

▶ REPLAY
10.64 lb/hp
Weight-to-Power Ratio
9.14 lb/hp
Mercedes CLS Coupé 500
10.64 lb/hp
9.14 lb/hp
Porsche 718 Cayman S

Fuel Economy / Emissions

Mercedes CLS Coupé 500
Porsche 718 Cayman S
Fuel Economy
25 mpg
combined
29 mpg
Mercedes CLS Coupé 500
25 mpg
29 mpg
Porsche 718 Cayman S
18 mpg
city
22 mpg
32 mpg
highway
36 mpg
Kraftstoffanzeige
21.1 gal
Fuel Tank Capacity
16.9 gal
Kraftstoffanzeige
518 mi
Range
491 mi
Mercedes CLS Coupé 500
518 mi
491 mi
Porsche 718 Cayman S
Environmental Impact
181.9 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).
153.5 kWh
Mercedes CLS Coupé 500
181.9 kWh
153.5 kWh
Porsche 718 Cayman S
Euro 6b (NEFZ)
Emission Standard
Euro 6c (NEFZ) 36ZA-ZF
360 g/mi (NEFZ)
CO2 Emissions
296 g/mi (NEFZ)

Practical Convenience

Mercedes CLS Coupé 500
Porsche 718 Cayman S
4
Doors
2
4
No. of Seats
2
1069 lb
Maximum Payload
518 lb
13.5 cu ft
Trunk Volume
12 cu ft
No data
Cargo Volume (Seats Down)
No data