The Comparative Analysis :

BMW 750d xDrive Steptronic (16 - 19) vs. Mercedes S 420 CDI 7G-TRONIC (06 - 09)

€ 116,500
BMW 750d xDrive Steptronic (16 - 19) BMW 750d
€ 91,100
Mercedes S 420 CDI 7G-TRONIC (06 - 09) Mercedes S 420 CDI
€ 116,500
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 91,100

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

Vehicle Dimensions

The dimensions of these vehicles differ a little. The BMW 750d is 0.7 inches longer, 1.2 inches wider and 0.2 inches lower than the Mercedes S 420 CDI.
BMW 750d
Mercedes S 420 CDI
57.8
Blueprint BMW 750d xDrive Steptronic (16 - 19)
74.9
85.4
58
Blueprint Mercedes S 420 CDI 7G-TRONIC (06 - 09)
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
Blueprint BMW 750d xDrive Steptronic (16 - 19)
120.9
200.7
Blueprint Mercedes S 420 CDI 7G-TRONIC (06 - 09)
119.5
200
200.7 in
Length
200 in
120.9 in
Wheelbase
119.5 in

Vehicle Weight

BMW 750d
Mercedes S 420 CDI
4464 lb
Curb Weight
4608 lb
5798 lb
Gross Vehicle
Weight
5820 lb
BMW 750d xDrive Steptronic (16 - 19)
Weight Difference:
143 lb
3.1 %
Mercedes S 420 CDI 7G-TRONIC (06 - 09)

General

BMW 750d
Mercedes S 420 CDI
G11
Generation
W221
Sedan
Car Body Style
Sedan
Diesel
Fuel Type
Diesel
Permanent all-wheel drive (AWD)
Drivetrain
Rear-wheel drive
8-speed automatic transmission
Transmission
7-speed automatic transmission

Engine

BMW 750d
Mercedes S 420 CDI
Straight-six diesel engine with four tur­bo­chargers (quad-turbo)
Engine Type
V8 diesel engine with tur­bo­charger
BMW B57
Engine Series
Mercedes-Benz OM 629
B57-D30
Engine Code
OM 629.911
4
Valves
4
6
Cylinders
8
3 L / 147 cu in
Displacement
4 L / 196 cu in
395 hp
at 4400 rpm
Power
316 hp
at 3600 rpm
BMW 750d
395 hp
316 hp
Mercedes S 420 CDI
561 lb‑ft
at 1750 rpm
Max. Torque
538 lb‑ft
at 2200 rpm
BMW 750d
561 lb‑ft
538 lb‑ft
Mercedes S 420 CDI

Performance

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

210 ft
0.000 sec

BMW 750d

62 mph 62
mph

272 ft
0.000 sec

Mercedes S 420 CDI

 REPLAY
11.3 lb/hp
Weight-to-Power Ratio
14.58 lb/hp
BMW 750d
11.3 lb/hp
14.58 lb/hp
Mercedes S 420 CDI

Fuel Economy / Emissions

BMW 750d
Mercedes S 420 CDI
Fuel Economy
37 mpg
combined
25 mpg
BMW 750d
37 mpg
25 mpg
Mercedes S 420 CDI
29 mpg
city
18 mpg
No data
highway
33 mpg
Kraftstoffanzeige
20.6 gal
Fuel Tank Capacity
23.8 gal
Kraftstoffanzeige
769 mi
Range
595 mi
BMW 750d
769 mi
595 mi
Mercedes S 420 CDI
Environmental Impact
129.6 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).
193.4 kWh
BMW 750d
129.6 kWh
193.4 kWh
Mercedes S 420 CDI
Euro 6c (WLTP)
Emission Standard
Euro 4 III
309 g/mi (WLTP)
CO2 Emissions
398 g/mi (NEFZ)

Practical Convenience

BMW 750d
Mercedes S 420 CDI
4
Doors
4
5
No. of Seats
5
1334 lb
Maximum Payload
1213 lb
14.6 cu ft
Trunk Volume
15.9 cu ft
No data
Cargo Volume (Seats Down)
No data