The Comparative Analysis :

Mercedes E 400 d Coupé 4MATIC 9G-TRONIC (18 - ..) vs. Porsche Cayman PDK (09 - 12)

€ 65,500
Mercedes E 400 d Coupé 4MATIC 9G-TRONIC (18 - ..) Mercedes E 400 d Coupé
€ 53,700
 Porsche Cayman PDK (09 - 12) Porsche Cayman
€ 65,500
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 53,700

ⓘ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 18.9 inches longer, 2.3 inches wider and 5 inches taller than the Porsche Cayman.
Mercedes E 400 d Coupé
Porsche Cayman
56.3
Blueprint Mercedes E 400 d Coupé 4MATIC 9G-TRONIC (18 - ..)
73.2
80.9
51.3
Blueprint Porsche Cayman PDK (09 - 12)
70.9
77.9
73.2 in
Width
70.9 in
80.9 in
Width Incl. Mirrors
77.9 in
56.3 in
Height
51.3 in
Blueprint Mercedes E 400 d Coupé 4MATIC 9G-TRONIC (18 - ..)
113.1
190
Blueprint Porsche Cayman PDK (09 - 12)
95.1
171.1
190 in
Length
171.1 in
113.1 in
Wheelbase
95.1 in

Vehicle Weight

Mercedes E 400 d Coupé
Porsche Cayman
4277 lb
Curb Weight
3164 lb
5379 lb
Gross Vehicle
Weight
3682 lb
Mercedes E 400 d Coupé 4MATIC 9G-TRONIC (18 - ..)
Weight Difference:
1113 lb
26.02 %
Porsche Cayman PDK (09 - 12)

General

Mercedes E 400 d Coupé
Porsche Cayman
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
7-speed dual clutch transmission

Engine

Mercedes E 400 d Coupé
Porsche Cayman
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
2.9 L / 142 cu in
335 hp
at 3400 rpm
Power
261 hp
at 7200 rpm
Mercedes E 400 d Coupé
335 hp
261 hp
Porsche Cayman
516 lb‑ft
at 1200 rpm
Max. Torque
221 lb‑ft
at 4400 rpm
Mercedes E 400 d Coupé
516 lb‑ft
221 lb‑ft
Porsche Cayman

Performance

Mercedes E 400 d Coupé
Porsche Cayman
155 mph
Maximum Speed
163 mph
5.1 sec
Acceleration 0 to 62 mph
5.7 sec
62 mph 62
mph

233 ft
0.000 sec

Mercedes E 400 d Coupé

62 mph 62
mph

259 ft
0.000 sec

Porsche Cayman

▶ REPLAY
12.77 lb/hp
Weight-to-Power Ratio
12.12 lb/hp
Mercedes E 400 d Coupé
12.77 lb/hp
12.12 lb/hp
Porsche Cayman

Fuel Economy / Emissions

Mercedes E 400 d Coupé
Porsche Cayman
Fuel Economy
40 mpg
combined
26 mpg
Mercedes E 400 d Coupé
40 mpg
26 mpg
Porsche Cayman
34 mpg
city
17 mpg
44 mpg
highway
36 mpg
Kraftstoffanzeige
13.2 gal
Fuel Tank Capacity
17.2 gal
Kraftstoffanzeige
526 mi
Range
444 mi
Mercedes E 400 d Coupé
526 mi
444 mi
Porsche Cayman
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).
172.4 kWh
Mercedes E 400 d Coupé
121.3 kWh
172.4 kWh
Porsche Cayman
Euro 6d-TEMP
Emission Standard
Euro 5
286 g/mi (WLTP)
CO2 Emissions
344 g/mi (NEFZ)

Practical Convenience

Mercedes E 400 d Coupé
Porsche Cayman
3
Doors
2
4
No. of Seats
2
1102 lb
Maximum Payload
518 lb
12 cu ft
Trunk Volume
11.6 cu ft
No data
Cargo Volume (Seats Down)
No data