The Comparative Analysis :

Mercedes S 420 CDI long 7G-TRONIC (06 - 09) vs. Mercedes S 450 4MATIC 7G-TRONIC (06 - 09)

€ 98,900
Mercedes S 420 CDI long 7G-TRONIC (06 - 09) S 420 CDI long
€ 87,500
 Mercedes S 450 4MATIC 7G-TRONIC (06 - 09) S 450
€ 98,900
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 87,500

ⓘ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. Both cars are the same width and height, but the S 420 CDI long is 5.1 inches longer.
S 420 CDI long
S 450
58
Blueprint Mercedes S 420 CDI long 7G-TRONIC (06 - 09)
73.7
83.5
58
Blueprint Mercedes S 450 4MATIC 7G-TRONIC (06 - 09)
73.7
83.5
73.7 in
Width
73.7 in
83.5 in
Width Incl. Mirrors
83.5 in
58 in
Height
58 in
Blueprint Mercedes S 420 CDI long 7G-TRONIC (06 - 09)
124.6
205.1
Blueprint Mercedes S 450 4MATIC 7G-TRONIC (06 - 09)
119.5
200
205.1 in
Length
200 in
124.6 in
Wheelbase
119.5 in

Vehicle Weight

S 420 CDI long
S 450
4718 lb
Curb Weight
4431 lb
5864 lb
Gross Vehicle
Weight
5776 lb
Mercedes S 420 CDI long 7G-TRONIC (06 - 09)
Weight Difference:
287 lb
6.08 %
Mercedes S 450 4MATIC 7G-TRONIC (06 - 09)

General

S 420 CDI long
S 450
W221
Generation
W221
Sedan
Car Body Style
Sedan
Diesel
Fuel Type
Mid-Grade Unleaded
Rear-wheel drive
Drivetrain
Permanent all-wheel drive (AWD)
7-speed automatic transmission
Transmission
7-speed automatic transmission

Engine

S 420 CDI long
S 450
V8 diesel engine with tur­bo­charger
Engine Type
V8 gasoline engine (nat­u­ral­ly as­pi­rat­ed engine)
Mercedes-Benz OM 629
Engine Series
Mercedes-Benz M 273
OM 629.911
Engine Code
M 273.924
4
Valves
4
8
Cylinders
8
4 L / 196 cu in
Displacement
4.7 L / 230 cu in
316 hp
at 3600 rpm
Power
335 hp
at 6000 rpm
S 420 CDI long
316 hp
335 hp
S 450
538 lb‑ft
at 2200 rpm
Max. Torque
339 lb‑ft
at 2700 rpm
S 420 CDI long
538 lb‑ft
339 lb‑ft
S 450

Performance

S 420 CDI long
S 450
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

S 420 CDI long

62 mph 62
mph

269 ft
0.000 sec

S 450

▶ REPLAY
14.93 lb/hp
Weight-to-Power Ratio
13.23 lb/hp
S 420 CDI long
14.93 lb/hp
13.23 lb/hp
S 450

Fuel Economy / Emissions

S 420 CDI long
S 450
Fuel Economy
25 mpg
combined
20 mpg
S 420 CDI long
25 mpg
20 mpg
S 450
18 mpg
city
14 mpg
33 mpg
highway
28 mpg
Kraftstoffanzeige
23.8 gal
Fuel Tank Capacity
23.8 gal
Kraftstoffanzeige
595 mi
Range
482 mi
S 420 CDI long
595 mi
482 mi
S 450
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).
219.8 kWh
S 420 CDI long
193.4 kWh
219.8 kWh
S 450
Euro 4 III
Emission Standard
Euro 4 III
398 g/mi (NEFZ)
CO2 Emissions
446 g/mi (NEFZ)

Practical Convenience

S 420 CDI long
S 450
4
Doors
4
5
No. of Seats
5
1146 lb
Maximum Payload
1345 lb
15.9 cu ft
Trunk Volume
15.9 cu ft
No data
Cargo Volume (Seats Down)
No data