The Comparative Analysis :

Mercedes S 420 CDI 7G-TRONIC (06 - 09) vs. BMW 750Ld xDrive Steptronic (19 - ..)

€ 91,100
Mercedes S 420 CDI 7G-TRONIC (06 - 09) Mercedes S 420 CDI
€ 121,800
 BMW 750Ld xDrive Steptronic (19 - ..) BMW 750Ld
€ 91,100
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 121,800

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

Vehicle Dimensions

The Mercedes S 420 CDI is considerably smaller in every dimension. It's 7.1 inches shorter, 1.2 inches narrower and 0.2 inches lower than the BMW 750Ld.
Mercedes S 420 CDI
BMW 750Ld
58
Blueprint Mercedes S 420 CDI 7G-TRONIC (06 - 09)
73.7
83.5
58.2
Blueprint BMW 750Ld xDrive Steptronic (19 - ..)
74.9
85.4
73.7 in
Width
74.9 in
83.5 in
Width Incl. Mirrors
85.4 in
58 in
Height
58.2 in
Blueprint Mercedes S 420 CDI 7G-TRONIC (06 - 09)
119.5
200
Blueprint BMW 750Ld xDrive Steptronic (19 - ..)
126.4
207.1
200 in
Length
207.1 in
119.5 in
Wheelbase
126.4 in

Vehicle Weight

Mercedes S 420 CDI
BMW 750Ld
4608 lb
Curb Weight
4575 lb
5820 lb
Gross Vehicle
Weight
5930 lb
Mercedes S 420 CDI 7G-TRONIC (06 - 09)
Weight Difference:
33 lb
0.72 %
BMW 750Ld xDrive Steptronic (19 - ..)

General

Mercedes S 420 CDI
BMW 750Ld
W221
Generation
G12
Sedan
Car Body Style
Sedan
Diesel
Fuel Type
Diesel
Rear-wheel drive
Drivetrain
Permanent all-wheel drive (AWD)
7-speed automatic transmission
Transmission
8-speed automatic transmission

Engine

Mercedes S 420 CDI
BMW 750Ld
V8 diesel engine with tur­bo­charger
Engine Type
Straight-six diesel engine with four tur­bo­chargers (quad-turbo)
Mercedes-Benz OM 629
Engine Series
BMW B57
OM 629.911
Engine Code
B57-D30
4
Valves
4
8
Cylinders
6
4 L / 196 cu in
Displacement
3 L / 147 cu in
316 hp
at 3600 rpm
Power
395 hp
at 4400 rpm
Mercedes S 420 CDI
316 hp
395 hp
BMW 750Ld
538 lb‑ft
at 2200 rpm
Max. Torque
561 lb‑ft
at 2000 rpm
Mercedes S 420 CDI
538 lb‑ft
561 lb‑ft
BMW 750Ld

Performance

Mercedes S 420 CDI
BMW 750Ld
155 mph
Maximum Speed
155 mph
6 sec
Acceleration 0 to 62 mph
4.7 sec
62 mph 62
mph

272 ft
0.000 sec

Mercedes S 420 CDI

62 mph 62
mph

213 ft
0.000 sec

BMW 750Ld

▶ REPLAY
14.58 lb/hp
Weight-to-Power Ratio
11.58 lb/hp
Mercedes S 420 CDI
14.58 lb/hp
11.58 lb/hp
BMW 750Ld

Fuel Economy / Emissions

Mercedes S 420 CDI
BMW 750Ld
Fuel Economy
25 mpg
combined
40 mpg
Mercedes S 420 CDI
25 mpg
40 mpg
BMW 750Ld
18 mpg
city
35 mpg
33 mpg
highway
No data
Kraftstoffanzeige
23.8 gal
Fuel Tank Capacity
20.6 gal
Kraftstoffanzeige
595 mi
Range
821 mi
Mercedes S 420 CDI
595 mi
821 mi
BMW 750Ld
Environmental Impact
193.4 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).
121.3 kWh
Mercedes S 420 CDI
193.4 kWh
121.3 kWh
BMW 750Ld
Euro 4 III
Emission Standard
Euro 6d-TEMP-EVAP-ISC (WLTP)
398 g/mi (NEFZ)
CO2 Emissions
303 g/mi (WLTP)

Practical Convenience

Mercedes S 420 CDI
BMW 750Ld
4
Doors
4
5
No. of Seats
5
1213 lb
Maximum Payload
1356 lb
15.9 cu ft
Trunk Volume
14.6 cu ft
No data
Cargo Volume (Seats Down)
No data