The Comparative Analysis :

Mercedes E 400 d Coupé 4MATIC 9G-TRONIC (18 - ..) vs. Porsche 718 Cayman S (16 - 18)

€ 65,500
Mercedes E 400 d Coupé 4MATIC 9G-TRONIC (18 - ..) Mercedes E 400 d Coupé
€ 65,200
 Porsche 718 Cayman S (16 - 18) Porsche 718 Cayman S
€ 65,500
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 E 400 d Coupé is significantly bigger in every dimension. It's 17.6 inches longer, 2.3 inches wider and 5.3 inches taller than the Porsche 718 Cayman S.
Mercedes E 400 d Coupé
Porsche 718 Cayman S
56.3
Blueprint Mercedes E 400 d Coupé 4MATIC 9G-TRONIC (18 - ..)
73.2
80.9
51
Blueprint Porsche 718 Cayman S (16 - 18)
70.9
78.5
73.2 in
Width
70.9 in
80.9 in
Width Incl. Mirrors
78.5 in
56.3 in
Height
51 in
Blueprint Mercedes E 400 d Coupé 4MATIC 9G-TRONIC (18 - ..)
113.1
190
Blueprint Porsche 718 Cayman S (16 - 18)
97.4
172.4
190 in
Length
172.4 in
113.1 in
Wheelbase
97.4 in

Vehicle Weight

Mercedes E 400 d Coupé
Porsche 718 Cayman S
4277 lb
Curb Weight
3153 lb
5379 lb
Gross Vehicle
Weight
3671 lb
Mercedes E 400 d Coupé 4MATIC 9G-TRONIC (18 - ..)
Weight Difference:
1124 lb
26.28 %
Porsche 718 Cayman S (16 - 18)

General

Mercedes E 400 d Coupé
Porsche 718 Cayman S
C238
Generation
982C
Coupe
Car Body Style
Coupe
Diesel
Fuel Type
Premium Unleaded
Permanent all-wheel drive (AWD)
Drivetrain
Rear-wheel drive
9-speed automatic transmission
Transmission
6-speed manual transmission

Engine

Mercedes E 400 d Coupé
Porsche 718 Cayman S
Straight-six diesel engine with two tur­bo­chargers (bi­turbo)
Engine Type
4-cylinder boxer gasoline engine with tur­bo­charger
Mercedes-Benz OM 656
Engine Series
OM 656.929
Engine Code
4
Valves
4
6
Cylinders
4
2.9 L / 142 cu in
Displacement
2.5 L / 122 cu in
335 hp
at 3400 rpm
Power
345 hp
at 6500 rpm
Mercedes E 400 d Coupé
335 hp
345 hp
Porsche 718 Cayman S
516 lb‑ft
at 1200 rpm
Max. Torque
310 lb‑ft
at 1900 rpm
Mercedes E 400 d Coupé
516 lb‑ft
310 lb‑ft
Porsche 718 Cayman S

Performance

Mercedes E 400 d Coupé
Porsche 718 Cayman S
155 mph
Maximum Speed
177 mph
5.1 sec
Acceleration 0 to 62 mph
4.6 sec
62 mph 62
mph

233 ft
0.000 sec

Mercedes E 400 d Coupé

62 mph 62
mph

210 ft
0.000 sec

Porsche 718 Cayman S

▶ REPLAY
12.77 lb/hp
Weight-to-Power Ratio
9.14 lb/hp
Mercedes E 400 d Coupé
12.77 lb/hp
9.14 lb/hp
Porsche 718 Cayman S

Fuel Economy / Emissions

Mercedes E 400 d Coupé
Porsche 718 Cayman S
Fuel Economy
40 mpg
combined
29 mpg
Mercedes E 400 d Coupé
40 mpg
29 mpg
Porsche 718 Cayman S
34 mpg
city
22 mpg
44 mpg
highway
36 mpg
Kraftstoffanzeige
13.2 gal
Fuel Tank Capacity
16.9 gal
Kraftstoffanzeige
526 mi
Range
491 mi
Mercedes E 400 d Coupé
526 mi
491 mi
Porsche 718 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).
153.5 kWh
Mercedes E 400 d Coupé
121.3 kWh
153.5 kWh
Porsche 718 Cayman S
Euro 6d-TEMP
Emission Standard
Euro 6c (NEFZ) 36ZA-ZF
286 g/mi (WLTP)
CO2 Emissions
296 g/mi (NEFZ)

Practical Convenience

Mercedes E 400 d Coupé
Porsche 718 Cayman S
3
Doors
2
4
No. of Seats
2
1102 lb
Maximum Payload
518 lb
12 cu ft
Trunk Volume
12 cu ft
No data
Cargo Volume (Seats Down)
No data