The Comparative Analysis :
Mercedes E 400 d Coupé 4MATIC 9G-TRONIC (18 - ..) vs. Porsche Cayman S Tiptronic (05 - 09)
€ 65,500
€ 62,900
€ 65,500
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 62,900
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The Mercedes E 400 d Coupé is significantly bigger in every dimension. It's 19.1 inches longer, 2.3 inches wider and 4.9 inches taller than the Porsche Cayman S.
Mercedes E 400 d Coupé
Porsche Cayman S
56.3
73.2
80.9
51.4
70.9
77.9
73.2 in
Width
70.9 in
80.9 in
Width Incl. Mirrors
77.9 in
56.3 in
Height
51.4 in
113.1
190
95.1
170.9
190 in
Length
170.9 in
113.1 in
Wheelbase
95.1 in
Vehicle Weight
Mercedes E 400 d Coupé
Porsche Cayman S
4277 lb
Curb Weight
3208 lb
5379 lb
Gross Vehicle
Weight
Weight
3682 lb
Weight Difference:
1069 lb
24.99 %
General
Mercedes E 400 d Coupé
Porsche Cayman S
C238
Generation
987C
Coupe
Car Body Style
Coupe
Diesel
Fuel Type
Premium Unleaded
Permanent all-wheel drive (AWD)
Drivetrain
Rear-wheel drive
9-speed automatic transmission
Transmission
5-speed automatic transmission
Engine
Mercedes E 400 d Coupé
Porsche Cayman S
Straight-six diesel engine with two turbochargers (biturbo)
Engine Type
6-cylinder boxer gasoline engine (naturally aspirated engine)
Mercedes-Benz OM 656
Engine Series
OM 656.929
Engine Code
4
Valves
4
6
Cylinders
6
2.9 L / 142 cu in
Displacement
3.4 L / 166 cu in
335 hp
at 3400 rpm
Power
291 hp
at 6250 rpm
Mercedes E 400 d Coupé
335 hp
291 hp
Porsche Cayman S
516 lb‑ft
at 1200 rpm
Max. Torque
251 lb‑ft
at 4400 rpm
Mercedes E 400 d Coupé
516 lb‑ft
251 lb‑ft
Porsche Cayman S
Performance
Mercedes E 400 d Coupé
Porsche Cayman S
155 mph
Maximum Speed
166 mph
5.1 sec
Acceleration 0 to 62 mph
6.1 sec
62 mph
62
mph
mph
233 ft
0.000 sec
Mercedes E 400 d Coupé
62 mph
62
mph
mph
279 ft
0.000 sec
Porsche Cayman S
▶ REPLAY
12.77 lb/hp
Weight-to-Power Ratio
11.02 lb/hp
Mercedes E 400 d Coupé
12.77 lb/hp
11.02 lb/hp
Porsche Cayman S
Fuel Economy / Emissions
Mercedes E 400 d Coupé
Porsche Cayman S
Fuel Economy
40 mpg
combined
21 mpg
Mercedes E 400 d Coupé
40 mpg
21 mpg
Porsche Cayman S
34 mpg
city
14 mpg
44 mpg
highway
30 mpg
13.2 gal
Fuel Tank Capacity
16.9 gal
526 mi
Range
362 mi
Mercedes E 400 d Coupé
526 mi
362 mi
Porsche Cayman S
Environmental Impact
121.3 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).
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).
208.4 kWh
Mercedes E 400 d Coupé
121.3 kWh
208.4 kWh
Porsche Cayman S
Euro 6d-TEMP
Emission Standard
Euro 4
286 g/mi (WLTP)
CO2 Emissions
422 g/mi (NEFZ)
Practical Convenience
Mercedes E 400 d Coupé
Porsche Cayman S
3
Doors
2
4
No. of Seats
2
1102 lb
Maximum Payload
474 lb
12 cu ft
Trunk Volume
11.6 cu ft
No data
Cargo Volume (Seats Down)
No data
