The Comparative Analysis :
Mercedes S 320 CDI DPF long 7G-TRONIC (05 - 08) vs. Mercedes S 420 CDI 7G-TRONIC (06 - 09)
€ 78,700
€ 91,100
€ 78,700
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 these vehicles differ slightly. Both cars are the same width and height, but the S 320 CDI DPF long is 5.1 inches longer.
S 320 CDI DPF long
S 420 CDI
58
73.7
83.5
58
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
124.6
205.1
119.5
200
205.1 in
Length
200 in
124.6 in
Wheelbase
119.5 in
Vehicle Weight
S 320 CDI DPF long
S 420 CDI
4409 lb
Curb Weight
4608 lb
5688 lb
Gross Vehicle
Weight
Weight
5820 lb
Weight Difference:
198 lb
4.3 %
General
S 320 CDI DPF long
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 DPF long
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 3800 rpm
Power
316 hp
at 3600 rpm
S 320 CDI DPF long
232 hp
316 hp
S 420 CDI
398 lb‑ft
at 1600 rpm
Max. Torque
538 lb‑ft
at 2200 rpm
S 320 CDI DPF long
398 lb‑ft
538 lb‑ft
S 420 CDI
Performance
S 320 CDI DPF long
S 420 CDI
155 mph
Maximum Speed
155 mph
7.5 sec
Acceleration 0 to 62 mph
6 sec
62 mph
62
mph
mph
341 ft
0.000 sec
S 320 CDI DPF long
62 mph
62
mph
mph
272 ft
0.000 sec
S 420 CDI
▶ REPLAY
19 lb/hp
Weight-to-Power Ratio
14.58 lb/hp
S 320 CDI DPF long
19 lb/hp
14.58 lb/hp
S 420 CDI
Fuel Economy / Emissions
S 320 CDI DPF long
S 420 CDI
Fuel Economy
28 mpg
combined
25 mpg
S 320 CDI DPF long
28 mpg
25 mpg
S 420 CDI
20 mpg
city
18 mpg
36 mpg
highway
33 mpg
23.8 gal
Fuel Tank Capacity
23.8 gal
665 mi
Range
595 mi
S 320 CDI DPF long
665 mi
595 mi
S 420 CDI
Environmental Impact
172.8 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).
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 DPF long
172.8 kWh
193.4 kWh
S 420 CDI
Euro 4 III
Emission Standard
Euro 4 III
359 g/mi (NEFZ)
CO2 Emissions
398 g/mi (NEFZ)
Practical Convenience
S 320 CDI DPF long
S 420 CDI
4
Doors
4
5
No. of Seats
5
1279 lb
Maximum Payload
1213 lb
15.9 cu ft
Trunk Volume
15.9 cu ft
No data
Cargo Volume (Seats Down)
No data
