The Comparative Analysis :

Mercedes S 320 CDI BlueEFFICIENCY 7G-TRONIC (08 - 09) vs. Mercedes S 420 CDI 7G-TRONIC (06 - 09)

€ 72,400
Mercedes S 320 CDI BlueEFFICIENCY 7G-TRONIC (08 - 09) S 320 CDI BlueEFFICIENCY
€ 91,100
 Mercedes S 420 CDI 7G-TRONIC (06 - 09) S 420 CDI
€ 72,400
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 the S 320 CDI BlueEFFICIENCY and the S 420 CDI are absolutely identical. Both are 200 inches long, 73.7 inches wide and 58 inches tall.
S 320 CDI BlueEFFICIENCY
S 420 CDI
58
Blueprint Mercedes S 320 CDI BlueEFFICIENCY 7G-TRONIC (08 - 09)
73.7
83.5
58
Blueprint Mercedes S 420 CDI 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 320 CDI BlueEFFICIENCY 7G-TRONIC (08 - 09)
119.5
200
Blueprint Mercedes S 420 CDI 7G-TRONIC (06 - 09)
119.5
200
200 in
Length
200 in
119.5 in
Wheelbase
119.5 in

Vehicle Weight

S 320 CDI BlueEFFICIENCY
S 420 CDI
4310 lb
Curb Weight
4608 lb
5622 lb
Gross Vehicle
Weight
5820 lb
Mercedes S 320 CDI BlueEFFICIENCY 7G-TRONIC (08 - 09)
Weight Difference:
298 lb
6.47 %
Mercedes S 420 CDI 7G-TRONIC (06 - 09)

General

S 320 CDI BlueEFFICIENCY
S 420 CDI
W221
Generation
W221
Sedan
Car Body Style
Sedan
Diesel
Fuel Type
Diesel
Rear-wheel drive
Drivetrain
Rear-wheel drive
7-speed automatic transmission
Transmission
7-speed automatic transmission

Engine

S 320 CDI BlueEFFICIENCY
S 420 CDI
V6 diesel engine with tur­bo­charger
Engine Type
V8 diesel engine with tur­bo­charger
Mercedes-Benz OM 642
Engine Series
Mercedes-Benz OM 629
OM 642.930
Engine Code
OM 629.911
4
Valves
4
6
Cylinders
8
3 L / 147 cu in
Displacement
4 L / 196 cu in
232 hp
at 3600 rpm
Power
316 hp
at 3600 rpm
S 320 CDI BlueEFFICIENCY
232 hp
316 hp
S 420 CDI
398 lb‑ft
at 1600 rpm
Max. Torque
538 lb‑ft
at 2200 rpm
S 320 CDI BlueEFFICIENCY
398 lb‑ft
538 lb‑ft
S 420 CDI

Performance

S 320 CDI BlueEFFICIENCY
S 420 CDI
155 mph
Maximum Speed
155 mph
7.8 sec
Acceleration 0 to 62 mph
6 sec
62 mph 62
mph

354 ft
0.000 sec

S 320 CDI BlueEFFICIENCY

62 mph 62
mph

272 ft
0.000 sec

S 420 CDI

▶ REPLAY
18.58 lb/hp
Weight-to-Power Ratio
14.58 lb/hp
S 320 CDI BlueEFFICIENCY
18.58 lb/hp
14.58 lb/hp
S 420 CDI

Fuel Economy / Emissions

S 320 CDI BlueEFFICIENCY
S 420 CDI
Fuel Economy
31 mpg
combined
25 mpg
S 320 CDI BlueEFFICIENCY
31 mpg
25 mpg
S 420 CDI
23 mpg
city
18 mpg
40 mpg
highway
33 mpg
Kraftstoffanzeige
23.8 gal
Fuel Tank Capacity
23.8 gal
Kraftstoffanzeige
736 mi
Range
595 mi
S 320 CDI BlueEFFICIENCY
736 mi
595 mi
S 420 CDI
Environmental Impact
156.4 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).
193.4 kWh
S 320 CDI BlueEFFICIENCY
156.4 kWh
193.4 kWh
S 420 CDI
Euro 4 III
Emission Standard
Euro 4 III
320 g/mi (NEFZ)
CO2 Emissions
398 g/mi (NEFZ)

Practical Convenience

S 320 CDI BlueEFFICIENCY
S 420 CDI
4
Doors
4
5
No. of Seats
5
1312 lb
Maximum Payload
1213 lb
15.9 cu ft
Trunk Volume
15.9 cu ft
No data
Cargo Volume (Seats Down)
No data