The Comparative Analysis :

Mercedes S 420 CDI long 7G-TRONIC (06 - 09) vs. BMW 740Li Steptronic (12 - 15)

€ 98,900
Mercedes S 420 CDI long 7G-TRONIC (06 - 09) Mercedes S 420 CDI long
€ 88,700
 BMW 740Li Steptronic (12 - 15) BMW 740Li
€ 98,900
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 88,700

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

Vehicle Dimensions

The Mercedes S 420 CDI long is a bit smaller in every dimension. It's 0.4 inches shorter, 1.2 inches narrower and 0.3 inches lower than the BMW 740Li.
Mercedes S 420 CDI long
BMW 740Li
58
Blueprint Mercedes S 420 CDI long 7G-TRONIC (06 - 09)
73.7
83.5
58.3
Blueprint BMW 740Li Steptronic (12 - 15)
74.9
84
73.7 in
Width
74.9 in
83.5 in
Width Incl. Mirrors
84 in
58 in
Height
58.3 in
Blueprint Mercedes S 420 CDI long 7G-TRONIC (06 - 09)
124.6
205.1
Blueprint BMW 740Li Steptronic (12 - 15)
126.4
205.5
205.1 in
Length
205.5 in
124.6 in
Wheelbase
126.4 in

Vehicle Weight

Mercedes S 420 CDI long
BMW 740Li
4718 lb
Curb Weight
4233 lb
5864 lb
Gross Vehicle
Weight
5567 lb
Mercedes S 420 CDI long 7G-TRONIC (06 - 09)
Weight Difference:
485 lb
10.28 %
BMW 740Li Steptronic (12 - 15)

General

Mercedes S 420 CDI long
BMW 740Li
W221
Generation
F02
Sedan
Car Body Style
Sedan
Diesel
Fuel Type
Premium Unleaded
Rear-wheel drive
Drivetrain
Rear-wheel drive
7-speed automatic transmission
Transmission
8-speed automatic transmission

Engine

Mercedes S 420 CDI long
BMW 740Li
V8 diesel engine with tur­bo­charger
Engine Type
Straight-six gasoline engine with two tur­bo­chargers (bi­turbo)
Mercedes-Benz OM 629
Engine Series
BMW N55
OM 629.911
Engine Code
N55-B30
4
Valves
4
8
Cylinders
6
4 L / 196 cu in
Displacement
3 L / 147 cu in
316 hp
at 3600 rpm
Power
316 hp
at 5800 rpm
Mercedes S 420 CDI long
316 hp
316 hp
BMW 740Li
538 lb‑ft
at 2200 rpm
Max. Torque
332 lb‑ft
at 1300 rpm
Mercedes S 420 CDI long
538 lb‑ft
332 lb‑ft
BMW 740Li

Performance

Mercedes S 420 CDI long
BMW 740Li
155 mph
Maximum Speed
155 mph
6 sec
Acceleration 0 to 62 mph
5.7 sec
62 mph 62
mph

272 ft
0.000 sec

Mercedes S 420 CDI long

62 mph 62
mph

259 ft
0.000 sec

BMW 740Li

▶ REPLAY
14.93 lb/hp
Weight-to-Power Ratio
13.4 lb/hp
Mercedes S 420 CDI long
14.93 lb/hp
13.4 lb/hp
BMW 740Li

Fuel Economy / Emissions

Mercedes S 420 CDI long
BMW 740Li
Fuel Economy
25 mpg
combined
30 mpg
Mercedes S 420 CDI long
25 mpg
30 mpg
BMW 740Li
18 mpg
city
22 mpg
33 mpg
highway
No data
Kraftstoffanzeige
23.8 gal
Fuel Tank Capacity
21.1 gal
Kraftstoffanzeige
595 mi
Range
629 mi
Mercedes S 420 CDI long
595 mi
629 mi
BMW 740Li
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).
149.7 kWh
Mercedes S 420 CDI long
193.4 kWh
149.7 kWh
BMW 740Li
Euro 4 III
Emission Standard
Euro 5
398 g/mi (NEFZ)
CO2 Emissions
296 g/mi (NEFZ)

Practical Convenience

Mercedes S 420 CDI long
BMW 740Li
4
Doors
4
5
No. of Seats
5
1146 lb
Maximum Payload
1334 lb
15.9 cu ft
Trunk Volume
14.2 cu ft
No data
Cargo Volume (Seats Down)
No data