The Comparative Analysis :

Mercedes CLS Coupé 300 d 9G-TRONIC (18 - ..) vs. Porsche 718 Cayman GTS 4.0 (20 - ..)

€ 60,600
Mercedes CLS Coupé 300 d 9G-TRONIC (18 - ..) Mercedes CLS Coupé 300 d
€ 81,900
 Porsche 718 Cayman GTS 4.0 (20 - ..) Porsche 718 Cayman GTS 4.0
€ 60,600
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 81,900

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

Vehicle Dimensions

The Mercedes CLS Coupé 300 d is significantly bigger in every dimension. It's 23.4 inches longer, 3.5 inches wider and 6.3 inches taller than the Porsche 718 Cayman GTS 4.0.
Mercedes CLS Coupé 300 d
Porsche 718 Cayman GTS 4.0
56.5
Blueprint Mercedes CLS Coupé 300 d 9G-TRONIC (18 - ..)
74.4
81.5
50.2
Blueprint Porsche 718 Cayman GTS 4.0 (20 - ..)
70.9
78.5
74.4 in
Width
70.9 in
81.5 in
Width Incl. Mirrors
78.5 in
56.5 in
Height
50.2 in
Blueprint Mercedes CLS Coupé 300 d 9G-TRONIC (18 - ..)
115.7
196.4
Blueprint Porsche 718 Cayman GTS 4.0 (20 - ..)
97.4
173
196.4 in
Length
173 in
115.7 in
Wheelbase
97.4 in

Vehicle Weight

Mercedes CLS Coupé 300 d
Porsche 718 Cayman GTS 4.0
4023 lb
Curb Weight
3263 lb
5390 lb
Gross Vehicle
Weight
3748 lb
Mercedes CLS Coupé 300 d 9G-TRONIC (18 - ..)
Weight Difference:
761 lb
18.91 %
Porsche 718 Cayman GTS 4.0 (20 - ..)

General

Mercedes CLS Coupé 300 d
Porsche 718 Cayman GTS 4.0
C257
Generation
982C
Coupe
Car Body Style
Coupe
Diesel
Fuel Type
Premium Unleaded
Rear-wheel drive
Drivetrain
Rear-wheel drive
9-speed automatic transmission
Transmission
6-speed manual transmission

Engine

Mercedes CLS Coupé 300 d
Porsche 718 Cayman GTS 4.0
Straight-four diesel engine with two tur­bo­chargers (bi­turbo)
Engine Type
6-cylinder boxer gasoline engine with tur­bo­charger
Mercedes-Benz OM 654
Engine Series
OM 654.920
Engine Code
4
Valves
4
4
Cylinders
6
2 L / 98 cu in
Displacement
4 L / 196 cu in
242 hp
at 4600 rpm
Power
395 hp
at 7000 rpm
Mercedes CLS Coupé 300 d
242 hp
395 hp
Porsche 718 Cayman GTS 4.0
369 lb‑ft
at 1600 rpm
Max. Torque
310 lb‑ft
at 5000 rpm
Mercedes CLS Coupé 300 d
369 lb‑ft
310 lb‑ft
Porsche 718 Cayman GTS 4.0

Performance

Mercedes CLS Coupé 300 d
Porsche 718 Cayman GTS 4.0
155 mph
Maximum Speed
182 mph
6.4 sec
Acceleration 0 to 62 mph
4.5 sec
62 mph 62
mph

292 ft
0.000 sec

Mercedes CLS Coupé 300 d

62 mph 62
mph

207 ft
0.000 sec

Porsche 718 Cayman GTS 4.0

▶ REPLAY
16.62 lb/hp
Weight-to-Power Ratio
8.26 lb/hp
Mercedes CLS Coupé 300 d
16.62 lb/hp
8.26 lb/hp
Porsche 718 Cayman GTS 4.0

Fuel Economy / Emissions

Mercedes CLS Coupé 300 d
Porsche 718 Cayman GTS 4.0
Fuel Economy
44 mpg
combined
22 mpg
Mercedes CLS Coupé 300 d
44 mpg
22 mpg
Porsche 718 Cayman GTS 4.0
36 mpg
city
15 mpg
52 mpg
highway
29 mpg
Kraftstoffanzeige
13.2 gal
Fuel Tank Capacity
16.9 gal
Kraftstoffanzeige
586 mi
Range
368 mi
Mercedes CLS Coupé 300 d
586 mi
368 mi
Porsche 718 Cayman GTS 4.0
Environmental Impact
109.1 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).
204.5 kWh
Mercedes CLS Coupé 300 d
109.1 kWh
204.5 kWh
Porsche 718 Cayman GTS 4.0
Euro 6d-TEMP
Emission Standard
Euro 6d-TEMP-EVAP-ISC (WLTP) 36CH, 36CI, 36DG
254 g/mi (WLTP)
CO2 Emissions
398 g/mi (WLTP)

Practical Convenience

Mercedes CLS Coupé 300 d
Porsche 718 Cayman GTS 4.0
4
Doors
2
5
No. of Seats
2
1367 lb
Maximum Payload
485 lb
14.7 cu ft
Trunk Volume
11.9 cu ft
No data
Cargo Volume (Seats Down)
No data