The Comparative Analysis :

Mercedes E 300 d Coupé 9G-TRONIC (18 - ..) vs. Porsche 718 Cayman (19 - ..)

€ 54,300
Mercedes E 300 d Coupé 9G-TRONIC (18 - ..) Mercedes E 300 d Coupé
€ 54,400
 Porsche 718 Cayman (19 - ..) Porsche 718 Cayman
€ 54,300
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 54,400

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

Vehicle Dimensions

The Mercedes E 300 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.
Mercedes E 300 d Coupé
Porsche 718 Cayman
56.3
Blueprint Mercedes E 300 d Coupé 9G-TRONIC (18 - ..)
73.2
80.9
51
Blueprint Porsche 718 Cayman (19 - ..)
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 300 d Coupé 9G-TRONIC (18 - ..)
113.1
190
Blueprint Porsche 718 Cayman (19 - ..)
97.4
172.4
190 in
Length
172.4 in
113.1 in
Wheelbase
97.4 in

Vehicle Weight

Mercedes E 300 d Coupé
Porsche 718 Cayman
3869 lb
Curb Weight
3109 lb
5159 lb
Gross Vehicle
Weight
3649 lb
Mercedes E 300 d Coupé 9G-TRONIC (18 - ..)
Weight Difference:
761 lb
19.67 %
Porsche 718 Cayman (19 - ..)

General

Mercedes E 300 d Coupé
Porsche 718 Cayman
C238
Generation
982C
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 E 300 d Coupé
Porsche 718 Cayman
Straight-four diesel engine with two tur­bo­chargers (bi­turbo)
Engine Type
4-cylinder boxer gasoline engine with tur­bo­charger
Mercedes-Benz OM 654
Engine Series
OM 654.920
Engine Code
4
Valves
4
4
Cylinders
4
2 L / 98 cu in
Displacement
2 L / 98 cu in
242 hp
at 3800 rpm
Power
296 hp
at 6500 rpm
Mercedes E 300 d Coupé
242 hp
296 hp
Porsche 718 Cayman
369 lb‑ft
at 1600 rpm
Max. Torque
280 lb‑ft
at 2150 rpm
Mercedes E 300 d Coupé
369 lb‑ft
280 lb‑ft
Porsche 718 Cayman

Performance

Mercedes E 300 d Coupé
Porsche 718 Cayman
155 mph
Maximum Speed
171 mph
6.3 sec
Acceleration 0 to 62 mph
5.1 sec
62 mph 62
mph

289 ft
0.000 sec

Mercedes E 300 d Coupé

62 mph 62
mph

233 ft
0.000 sec

Porsche 718 Cayman

▶ REPLAY
15.99 lb/hp
Weight-to-Power Ratio
10.5 lb/hp
Mercedes E 300 d Coupé
15.99 lb/hp
10.5 lb/hp
Porsche 718 Cayman

Fuel Economy / Emissions

Mercedes E 300 d Coupé
Porsche 718 Cayman
Fuel Economy
47 mpg
combined
29 mpg
Mercedes E 300 d Coupé
47 mpg
29 mpg
Porsche 718 Cayman
36 mpg
city
21 mpg
57 mpg
highway
38 mpg
Kraftstoffanzeige
13.2 gal
Fuel Tank Capacity
14.3 gal
Kraftstoffanzeige
621 mi
Range
414 mi
Mercedes E 300 d Coupé
621 mi
414 mi
Porsche 718 Cayman
Environmental Impact
102.8 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 300 d Coupé
102.8 kWh
153.5 kWh
Porsche 718 Cayman
Euro 6d-TEMP
Emission Standard
Euro 6d-TEMP
246 g/mi (WLTP)
CO2 Emissions
317 g/mi (WLTP)

Practical Convenience

Mercedes E 300 d Coupé
Porsche 718 Cayman
3
Doors
2
4
No. of Seats
2
1290 lb
Maximum Payload
540 lb
12 cu ft
Trunk Volume
12 cu ft
No data
Cargo Volume (Seats Down)
No data