The Comparative Analysis :

Mercedes CLS Coupé 250 d 9G-TRONIC (15 - 17) vs. Porsche Cayman S (05 - 09)

€ 57,200
Mercedes CLS Coupé 250 d 9G-TRONIC (15 - 17) Mercedes CLS Coupé 250 d
€ 60,300
 Porsche Cayman S (05 - 09) Porsche Cayman S
€ 57,200
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 60,300

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

Vehicle Dimensions

The Mercedes CLS Coupé 250 d is significantly bigger in every dimension. It's 23.5 inches longer, 3.1 inches wider and 4.4 inches taller than the Porsche Cayman S.
Mercedes CLS Coupé 250 d
Porsche Cayman S
55.8
Blueprint Mercedes CLS Coupé 250 d 9G-TRONIC (15 - 17)
74.1
81.7
51.4
Blueprint Porsche Cayman S (05 - 09)
70.9
77.9
74.1 in
Width
70.9 in
81.7 in
Width Incl. Mirrors
77.9 in
55.8 in
Height
51.4 in
Blueprint Mercedes CLS Coupé 250 d 9G-TRONIC (15 - 17)
113.1
194.4
Blueprint Porsche Cayman S (05 - 09)
95.1
170.9
194.4 in
Length
170.9 in
113.1 in
Wheelbase
95.1 in

Vehicle Weight

Mercedes CLS Coupé 250 d
Porsche Cayman S
4001 lb
Curb Weight
3120 lb
5071 lb
Gross Vehicle
Weight
3594 lb
Mercedes CLS Coupé 250 d 9G-TRONIC (15 - 17)
Weight Difference:
882 lb
22.04 %
Porsche Cayman S (05 - 09)

General

Mercedes CLS Coupé 250 d
Porsche Cayman S
C218
Generation
987C
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 250 d
Porsche Cayman S
Straight-four diesel engine with two tur­bo­chargers (bi­turbo)
Engine Type
6-cylinder boxer gasoline engine (nat­u­ral­ly as­pi­rat­ed engine)
Mercedes-Benz OM 651
Engine Series
OM 651.924
Engine Code
4
Valves
4
4
Cylinders
6
2.1 L / 103 cu in
Displacement
3.4 L / 166 cu in
201 hp
at 3800 rpm
Power
291 hp
at 6250 rpm
Mercedes CLS Coupé 250 d
201 hp
291 hp
Porsche Cayman S
369 lb‑ft
at 1600 rpm
Max. Torque
251 lb‑ft
at 4400 rpm
Mercedes CLS Coupé 250 d
369 lb‑ft
251 lb‑ft
Porsche Cayman S

Performance

Mercedes CLS Coupé 250 d
Porsche Cayman S
150 mph
Maximum Speed
171 mph
7.5 sec
Acceleration 0 to 62 mph
5.4 sec
62 mph 62
mph

341 ft
0.000 sec

Mercedes CLS Coupé 250 d

62 mph 62
mph

246 ft
0.000 sec

Porsche Cayman S

▶ REPLAY
19.91 lb/hp
Weight-to-Power Ratio
10.72 lb/hp
Mercedes CLS Coupé 250 d
19.91 lb/hp
10.72 lb/hp
Porsche Cayman S

Fuel Economy / Emissions

Mercedes CLS Coupé 250 d
Porsche Cayman S
Fuel Economy
51 mpg
combined
22 mpg
Mercedes CLS Coupé 250 d
51 mpg
22 mpg
Porsche Cayman S
43 mpg
city
15 mpg
57 mpg
highway
30 mpg
Kraftstoffanzeige
15.6 gal
Fuel Tank Capacity
16.9 gal
Kraftstoffanzeige
797 mi
Range
375 mi
Mercedes CLS Coupé 250 d
797 mi
375 mi
Porsche Cayman S
Environmental Impact
94.6 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).
200.8 kWh
Mercedes CLS Coupé 250 d
94.6 kWh
200.8 kWh
Porsche Cayman S
Euro 6b (NEFZ)
Emission Standard
Euro 4
193 g/mi (NEFZ)
CO2 Emissions
409 g/mi (NEFZ)

Practical Convenience

Mercedes CLS Coupé 250 d
Porsche Cayman S
4
Doors
2
4
No. of Seats
2
1069 lb
Maximum Payload
474 lb
13.5 cu ft
Trunk Volume
11.6 cu ft
No data
Cargo Volume (Seats Down)
No data