The Comparative Analysis :

Mercedes E 400 d Coupé 4MATIC 9G-TRONIC (18 - ..) vs. Porsche 718 Cayman GTS 4.0 (20 - ..)

€ 65,500
Mercedes E 400 d Coupé 4MATIC 9G-TRONIC (18 - ..) Mercedes E 400 d Coupé
€ 81,900
 Porsche 718 Cayman GTS 4.0 (20 - ..) Porsche 718 Cayman GTS 4.0
€ 65,500
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 E 400 d Coupé is significantly bigger in every dimension. It's 17 inches longer, 2.3 inches wider and 6.1 inches taller than the Porsche 718 Cayman GTS 4.0.
Mercedes E 400 d Coupé
Porsche 718 Cayman GTS 4.0
56.3
Blueprint Mercedes E 400 d Coupé 4MATIC 9G-TRONIC (18 - ..)
73.2
80.9
50.2
Blueprint Porsche 718 Cayman GTS 4.0 (20 - ..)
70.9
78.5
73.2 in
Width
70.9 in
80.9 in
Width Incl. Mirrors
78.5 in
56.3 in
Height
50.2 in
Blueprint Mercedes E 400 d Coupé 4MATIC 9G-TRONIC (18 - ..)
113.1
190
Blueprint Porsche 718 Cayman GTS 4.0 (20 - ..)
97.4
173
190 in
Length
173 in
113.1 in
Wheelbase
97.4 in

Vehicle Weight

Mercedes E 400 d Coupé
Porsche 718 Cayman GTS 4.0
4277 lb
Curb Weight
3263 lb
5379 lb
Gross Vehicle
Weight
3748 lb
Mercedes E 400 d Coupé 4MATIC 9G-TRONIC (18 - ..)
Weight Difference:
1014 lb
23.71 %
Porsche 718 Cayman GTS 4.0 (20 - ..)

General

Mercedes E 400 d Coupé
Porsche 718 Cayman GTS 4.0
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 GTS 4.0
Straight-six diesel engine with two tur­bo­chargers (bi­turbo)
Engine Type
6-cylinder boxer gasoline engine with tur­bo­charger
Mercedes-Benz OM 656
Engine Series
OM 656.929
Engine Code
4
Valves
4
6
Cylinders
6
2.9 L / 142 cu in
Displacement
4 L / 196 cu in
335 hp
at 3400 rpm
Power
395 hp
at 7000 rpm
Mercedes E 400 d Coupé
335 hp
395 hp
Porsche 718 Cayman GTS 4.0
516 lb‑ft
at 1200 rpm
Max. Torque
310 lb‑ft
at 5000 rpm
Mercedes E 400 d Coupé
516 lb‑ft
310 lb‑ft
Porsche 718 Cayman GTS 4.0

Performance

Mercedes E 400 d Coupé
Porsche 718 Cayman GTS 4.0
155 mph
Maximum Speed
182 mph
5.1 sec
Acceleration 0 to 62 mph
4.5 sec
62 mph 62
mph

233 ft
0.000 sec

Mercedes E 400 d Coupé

62 mph 62
mph

207 ft
0.000 sec

Porsche 718 Cayman GTS 4.0

▶ REPLAY
12.77 lb/hp
Weight-to-Power Ratio
8.26 lb/hp
Mercedes E 400 d Coupé
12.77 lb/hp
8.26 lb/hp
Porsche 718 Cayman GTS 4.0

Fuel Economy / Emissions

Mercedes E 400 d Coupé
Porsche 718 Cayman GTS 4.0
Fuel Economy
40 mpg
combined
22 mpg
Mercedes E 400 d Coupé
40 mpg
22 mpg
Porsche 718 Cayman GTS 4.0
34 mpg
city
15 mpg
44 mpg
highway
29 mpg
Kraftstoffanzeige
13.2 gal
Fuel Tank Capacity
16.9 gal
Kraftstoffanzeige
526 mi
Range
368 mi
Mercedes E 400 d Coupé
526 mi
368 mi
Porsche 718 Cayman GTS 4.0
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).
204.5 kWh
Mercedes E 400 d Coupé
121.3 kWh
204.5 kWh
Porsche 718 Cayman GTS 4.0
Euro 6d-TEMP
Emission Standard
Euro 6d-TEMP-EVAP-ISC (WLTP) 36CH, 36CI, 36DG
286 g/mi (WLTP)
CO2 Emissions
398 g/mi (WLTP)

Practical Convenience

Mercedes E 400 d Coupé
Porsche 718 Cayman GTS 4.0
3
Doors
2
4
No. of Seats
2
1102 lb
Maximum Payload
485 lb
12 cu ft
Trunk Volume
11.9 cu ft
No data
Cargo Volume (Seats Down)
No data