The Comparative Analysis :
Porsche 911 Turbo Coupé PDK (13 - 15) vs. Mercedes S 450 Coupé 4MATIC 9G-TRONIC PLUS (18 - 18)
€ 165,100
€ 101,700
€ 165,100
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 101,700
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The Porsche 911 Turbo Coupé is significantly smaller in every dimension. It's 20.7 inches shorter, 0.7 inches narrower and 4.6 inches lower than the Mercedes S 450 Coupé.
Porsche 911 Turbo Coupé
Mercedes S 450 Coupé
51
74
77.9
55.7
74.8
83
74 in
Width
74.8 in
77.9 in
Width Incl. Mirrors
83 in
51 in
Height
55.7 in
96.5
177.4
115.9
198.1
177.4 in
Length
198.1 in
96.5 in
Wheelbase
115.9 in
Vehicle Weight
Porsche 911 Turbo Coupé
Mercedes S 450 Coupé
3682 lb
Curb Weight
4519 lb
4387 lb
Gross Vehicle
Weight
Weight
5633 lb
Weight Difference:
838 lb
18.54 %
General
Porsche 911 Turbo Coupé
Mercedes S 450 Coupé
991
Generation
C217
Coupe
Car Body Style
Coupe
Premium Unleaded
Fuel Type
Mid-Grade Unleaded

Permanent all-wheel drive (AWD)
Drivetrain
Permanent all-wheel drive (AWD)

7-speed dual clutch transmission
Transmission
9-speed automatic transmission
Engine
Porsche 911 Turbo Coupé
Mercedes S 450 Coupé
6-cylinder boxer gasoline engine with two turbochargers (biturbo)
Engine Type
6-cylinder mild hybrid gasoline engine with turbocharger and electric driven compressor
Engine Series
Mercedes-Benz M 276
Engine Code
M 276.824

4
Valves
4
6
Cylinders
6
3.8 L / 186 cu in
Displacement
3 L / 147 cu in
513 hp
at 6000 rpm
Power
383 hp
at 5500 rpm
Porsche 911 Turbo Coupé
513 hp
383 hp
Mercedes S 450 Coupé
487 lb‑ft
at 1950 rpm
Max. Torque
369 lb‑ft
at 1600 rpm
Porsche 911 Turbo Coupé
487 lb‑ft
369 lb‑ft
Mercedes S 450 Coupé
Performance
Porsche 911 Turbo Coupé
Mercedes S 450 Coupé
196 mph
Maximum Speed
155 mph
3.4 sec
Acceleration 0 to 62 mph
5.5 sec
62 mph
62
mph
mph
154 ft
0.000 sec
Porsche 911 Turbo Coupé
62 mph
62
mph
mph
249 ft
0.000 sec
Mercedes S 450 Coupé
▶ REPLAY
7.18 lb/hp
Weight-to-Power Ratio
11.8 lb/hp
Porsche 911 Turbo Coupé
7.18 lb/hp
11.8 lb/hp
Mercedes S 450 Coupé
Fuel Economy / Emissions
Porsche 911 Turbo Coupé
Mercedes S 450 Coupé
Fuel Economy
24 mpg
combined
26 mpg
Porsche 911 Turbo Coupé
24 mpg
26 mpg
Mercedes S 450 Coupé
18 mpg
city
19 mpg
31 mpg
highway
34 mpg
18 gal
Fuel Tank Capacity
21.1 gal
436 mi
Range
559 mi
Porsche 911 Turbo Coupé
436 mi
559 mi
Mercedes S 450 Coupé
Environmental Impact
183.8 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).
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).
168.7 kWh
Porsche 911 Turbo Coupé
183.8 kWh
168.7 kWh
Mercedes S 450 Coupé
Euro 6b (NEFZ)
Emission Standard
Euro 6c (NEFZ) 36ZA-ZF
365 g/mi (NEFZ)
CO2 Emissions
328 g/mi (NEFZ)
Practical Convenience
Porsche 911 Turbo Coupé
Mercedes S 450 Coupé
2
Doors
2
4
No. of Seats
4
705 lb
Maximum Payload
1113 lb
3.3 cu ft
Trunk Volume
11.3 cu ft







No data
Cargo Volume (Seats Down)
No data














