The Comparative Analysis :

Mercedes S 420 CDI long 7G-TRONIC (06 - 09) vs. BMW 740i Automatic (08 - 12)

€ 98,900
Mercedes S 420 CDI long 7G-TRONIC (06 - 09) Mercedes S 420 CDI long
€ 80,400
 BMW 740i Automatic (08 - 12) BMW 740i
€ 98,900
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 80,400

ⓘ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 Mercedes S 420 CDI long is 5.4 inches longer, 1.2 inches narrower and 0.2 inches lower than the BMW 740i.
Mercedes S 420 CDI long
BMW 740i
58
Blueprint Mercedes S 420 CDI long 7G-TRONIC (06 - 09)
73.7
83.5
58.2
Blueprint BMW 740i Automatic (08 - 12)
74.9
84
73.7 in
Width
74.9 in
83.5 in
Width Incl. Mirrors
84 in
58 in
Height
58.2 in
Blueprint Mercedes S 420 CDI long 7G-TRONIC (06 - 09)
124.6
205.1
Blueprint BMW 740i Automatic (08 - 12)
120.9
199.7
205.1 in
Length
199.7 in
124.6 in
Wheelbase
120.9 in

Vehicle Weight

Mercedes S 420 CDI long
BMW 740i
4718 lb
Curb Weight
4266 lb
5864 lb
Gross Vehicle
Weight
5523 lb
Mercedes S 420 CDI long 7G-TRONIC (06 - 09)
Weight Difference:
452 lb
9.58 %
BMW 740i Automatic (08 - 12)

General

Mercedes S 420 CDI long
BMW 740i
W221
Generation
F01
Sedan
Car Body Style
Sedan
Diesel
Fuel Type
Premium Unleaded
Rear-wheel drive
Drivetrain
Rear-wheel drive
7-speed automatic transmission
Transmission
6-speed automatic transmission

Engine

Mercedes S 420 CDI long
BMW 740i
V8 diesel engine with tur­bo­charger
Engine Type
Straight-six gasoline engine with two tur­bo­chargers (bi­turbo)
Mercedes-Benz OM 629
Engine Series
BMW N54
OM 629.911
Engine Code
N54-B30
4
Valves
4
8
Cylinders
6
4 L / 196 cu in
Displacement
3 L / 147 cu in
316 hp
at 3600 rpm
Power
322 hp
at 5800 rpm
Mercedes S 420 CDI long
316 hp
322 hp
BMW 740i
538 lb‑ft
at 2200 rpm
Max. Torque
332 lb‑ft
at 1500 rpm
Mercedes S 420 CDI long
538 lb‑ft
332 lb‑ft
BMW 740i

Performance

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

272 ft
0.000 sec

Mercedes S 420 CDI long

62 mph 62
mph

269 ft
0.000 sec

BMW 740i

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

Fuel Economy / Emissions

Mercedes S 420 CDI long
BMW 740i
Fuel Economy
25 mpg
combined
24 mpg
Mercedes S 420 CDI long
25 mpg
24 mpg
BMW 740i
18 mpg
city
17 mpg
33 mpg
highway
No data
Kraftstoffanzeige
23.8 gal
Fuel Tank Capacity
21.7 gal
Kraftstoffanzeige
595 mi
Range
514 mi
Mercedes S 420 CDI long
595 mi
514 mi
BMW 740i
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).
187.5 kWh
Mercedes S 420 CDI long
193.4 kWh
187.5 kWh
BMW 740i
Euro 4 III
Emission Standard
Euro 5
398 g/mi (NEFZ)
CO2 Emissions
373 g/mi (NEFZ)

Practical Convenience

Mercedes S 420 CDI long
BMW 740i
4
Doors
4
5
No. of Seats
5
1146 lb
Maximum Payload
1257 lb
15.9 cu ft
Trunk Volume
14.2 cu ft
No data
Cargo Volume (Seats Down)
No data