The Comparative Analysis :
BMW 730d xDrive Steptronic (19 - ..) vs. Mercedes S 450 long 4MATIC 7G-TRONIC (06 - 09)
€ 91,800
€ 95,400
€ 91,800
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 95,400
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The dimensions of these vehicles differ slightly. The BMW 730d is 3.5 inches shorter, 1.2 inches wider and 0.2 inches lower than the Mercedes S 450 long.
BMW 730d
Mercedes S 450 long
57.8
74.9
85.4
58
73.7
83.5
74.9 in
Width
73.7 in
85.4 in
Width Incl. Mirrors
83.5 in
57.8 in
Height
58 in
120.9
201.6
124.6
205.1
201.6 in
Length
205.1 in
120.9 in
Wheelbase
124.6 in
Vehicle Weight
BMW 730d
Mercedes S 450 long
4310 lb
Curb Weight
4530 lb
5644 lb
Gross Vehicle
Weight
Weight
5820 lb
Weight Difference:
220 lb
4.86 %
General
BMW 730d
Mercedes S 450 long
G11
Generation
W221
Sedan
Car Body Style
Sedan
Diesel
Fuel Type
Mid-Grade Unleaded

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

8-speed automatic transmission
Transmission
7-speed automatic transmission
Engine
BMW 730d
Mercedes S 450 long
Straight-six diesel engine with turbocharger
Engine Type
V8 gasoline engine (naturally aspirated engine)
BMW B57
Engine Series
Mercedes-Benz M 273
B57-D30
Engine Code
M 273.924

4
Valves
4
6
Cylinders
8
3 L / 147 cu in
Displacement
4.7 L / 230 cu in
261 hp
at 4000 rpm
Power
335 hp
at 6000 rpm
BMW 730d
261 hp
335 hp
Mercedes S 450 long
457 lb‑ft
at 2000 rpm
Max. Torque
339 lb‑ft
at 2700 rpm
BMW 730d
457 lb‑ft
339 lb‑ft
Mercedes S 450 long
Performance
BMW 730d
Mercedes S 450 long
155 mph
Maximum Speed
155 mph
5.8 sec
Acceleration 0 to 62 mph
5.9 sec
62 mph
62
mph
mph
266 ft
0.000 sec
BMW 730d
62 mph
62
mph
mph
269 ft
0.000 sec
Mercedes S 450 long
▶ REPLAY
16.51 lb/hp
Weight-to-Power Ratio
13.52 lb/hp
BMW 730d
16.51 lb/hp
13.52 lb/hp
Mercedes S 450 long
Fuel Economy / Emissions
BMW 730d
Mercedes S 450 long
Fuel Economy
43 mpg
combined
20 mpg
BMW 730d
43 mpg
20 mpg
Mercedes S 450 long
37 mpg
city
14 mpg
No data
highway
27 mpg
20.6 gal
Fuel Tank Capacity
23.8 gal
881 mi
Range
478 mi
BMW 730d
881 mi
478 mi
Mercedes S 450 long
Environmental Impact
113.1 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).
221.6 kWh
BMW 730d
113.1 kWh
221.6 kWh
Mercedes S 450 long
Euro 6d-TEMP-EVAP-ISC (WLTP)
Emission Standard
Euro 4 III
278 g/mi (WLTP)
CO2 Emissions
449 g/mi (NEFZ)
Practical Convenience
BMW 730d
Mercedes S 450 long
4
Doors
4
5
No. of Seats
5
1334 lb
Maximum Payload
1290 lb
14.6 cu ft
Trunk Volume
15.9 cu ft











No data
Cargo Volume (Seats Down)
No data



















