The Comparative Analysis :

BMW 750i xDrive Steptronic (13 - 15) vs. Mercedes S 420 CDI long 7G-TRONIC (06 - 09)

€ 100,600
BMW 750i xDrive Steptronic (13 - 15) BMW 750i
€ 98,900
 Mercedes S 420 CDI long 7G-TRONIC (06 - 09) Mercedes S 420 CDI long
€ 100,600
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 dimensions of these vehicles differ slightly. The BMW 750i is 5.2 inches shorter, 1.2 inches wider and 0.1 inches lower than the Mercedes S 420 CDI long.
BMW 750i
Mercedes S 420 CDI long
57.9
Blueprint BMW 750i xDrive Steptronic (13 - 15)
74.9
84
58
Blueprint Mercedes S 420 CDI long 7G-TRONIC (06 - 09)
73.7
83.5
74.9 in
Width
73.7 in
84 in
Width Incl. Mirrors
83.5 in
57.9 in
Height
58 in
Blueprint BMW 750i xDrive Steptronic (13 - 15)
120.9
200
Blueprint Mercedes S 420 CDI long 7G-TRONIC (06 - 09)
124.6
205.1
200 in
Length
205.1 in
120.9 in
Wheelbase
124.6 in

Vehicle Weight

BMW 750i
Mercedes S 420 CDI long
4575 lb
Curb Weight
4718 lb
5864 lb
Gross Vehicle
Weight
5864 lb
BMW 750i xDrive Steptronic (13 - 15)
Weight Difference:
143 lb
3.03 %
Mercedes S 420 CDI long 7G-TRONIC (06 - 09)

General

BMW 750i
Mercedes S 420 CDI long
F01
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 750i
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 750i
443 hp
316 hp
Mercedes S 420 CDI long
479 lb‑ft
at 2000 rpm
Max. Torque
538 lb‑ft
at 2200 rpm
BMW 750i
479 lb‑ft
538 lb‑ft
Mercedes S 420 CDI long

Performance

BMW 750i
Mercedes S 420 CDI long
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 750i

62 mph 62
mph

272 ft
0.000 sec

Mercedes S 420 CDI long

▶ REPLAY
10.33 lb/hp
Weight-to-Power Ratio
14.93 lb/hp
BMW 750i
10.33 lb/hp
14.93 lb/hp
Mercedes S 420 CDI long

Fuel Economy / Emissions

BMW 750i
Mercedes S 420 CDI long
Fuel Economy
25 mpg
combined
25 mpg
BMW 750i
25 mpg
25 mpg
Mercedes S 420 CDI long
18 mpg
city
18 mpg
No data
highway
33 mpg
Kraftstoffanzeige
21.1 gal
Fuel Tank Capacity
23.8 gal
Kraftstoffanzeige
534 mi
Range
595 mi
BMW 750i
534 mi
595 mi
Mercedes S 420 CDI long
Environmental Impact
176.2 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).
193.4 kWh
BMW 750i
176.2 kWh
193.4 kWh
Mercedes S 420 CDI long
Euro 6b (NEFZ)
Emission Standard
Euro 4 III
349 g/mi (NEFZ)
CO2 Emissions
398 g/mi (NEFZ)

Practical Convenience

BMW 750i
Mercedes S 420 CDI long
4
Doors
4
5
No. of Seats
5
1290 lb
Maximum Payload
1146 lb
14.2 cu ft
Trunk Volume
15.9 cu ft
No data
Cargo Volume (Seats Down)
No data