The Comparative Analysis :
BMW 750Li xDrive Steptronic (15 - 18) vs. Mercedes S 420 CDI long 7G-TRONIC (06 - 09)
€ 121,700
€ 98,900
€ 121,700
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 98,900
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The BMW 750Li is a little bigger in every dimension. It's 1.1 inches longer, 1.2 inches wider and 0.5 inches taller than the Mercedes S 420 CDI long.
BMW 750Li
Mercedes S 420 CDI long
58.5
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
58.5 in
Height
58 in
126.4
206.2
124.6
205.1
206.2 in
Length
205.1 in
126.4 in
Wheelbase
124.6 in
Vehicle Weight
BMW 750Li
Mercedes S 420 CDI long
4387 lb
Curb Weight
4718 lb
5765 lb
Gross Vehicle
Weight
Weight
5864 lb
Weight Difference:
331 lb
7.02 %
General
BMW 750Li
Mercedes S 420 CDI long
G12
Generation
W221
Sedan
Car Body Style
Sedan
Premium Unleaded
Fuel Type
Diesel
Permanent all-wheel drive (AWD)
Drivetrain
Rear-wheel drive
8-speed automatic transmission
Transmission
7-speed automatic transmission
Engine
BMW 750Li
Mercedes S 420 CDI long
V8 gasoline engine with two turbochargers (biturbo)
Engine Type
V8 diesel engine with turbocharger
BMW N63
Engine Series
Mercedes-Benz OM 629
N63-B44
Engine Code
OM 629.911
4
Valves
4
8
Cylinders
8
4.4 L / 215 cu in
Displacement
4 L / 196 cu in
443 hp
at 5500 rpm
Power
316 hp
at 3600 rpm
BMW 750Li
443 hp
316 hp
Mercedes S 420 CDI long
479 lb‑ft
at 1800 rpm
Max. Torque
538 lb‑ft
at 2200 rpm
BMW 750Li
479 lb‑ft
538 lb‑ft
Mercedes S 420 CDI long
Performance
BMW 750Li
Mercedes S 420 CDI long
155 mph
Maximum Speed
155 mph
4.5 sec
Acceleration 0 to 62 mph
6 sec
62 mph
62
mph
mph
207 ft
0.000 sec
BMW 750Li
62 mph
62
mph
mph
272 ft
0.000 sec
Mercedes S 420 CDI long
▶ REPLAY
9.9 lb/hp
Weight-to-Power Ratio
14.93 lb/hp
BMW 750Li
9.9 lb/hp
14.93 lb/hp
Mercedes S 420 CDI long
Fuel Economy / Emissions
BMW 750Li
Mercedes S 420 CDI long
Fuel Economy
28 mpg
combined
25 mpg
BMW 750Li
28 mpg
25 mpg
Mercedes S 420 CDI long
20 mpg
city
18 mpg
No data
highway
33 mpg
20.6 gal
Fuel Tank Capacity
23.8 gal
584 mi
Range
595 mi
BMW 750Li
584 mi
595 mi
Mercedes S 420 CDI long
Environmental Impact
157.2 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).
193.4 kWh
BMW 750Li
157.2 kWh
193.4 kWh
Mercedes S 420 CDI long
Euro 6b (NEFZ)
Emission Standard
Euro 4 III
309 g/mi (NEFZ)
CO2 Emissions
398 g/mi (NEFZ)
Practical Convenience
BMW 750Li
Mercedes S 420 CDI long
4
Doors
4
5
No. of Seats
5
1378 lb
Maximum Payload
1146 lb
14.6 cu ft
Trunk Volume
15.9 cu ft
No data
Cargo Volume (Seats Down)
No data
