The Comparative Analysis :

Mercedes S 320 CDI DPF long 7G-TRONIC (05 - 08) vs. Mercedes S 420 CDI 7G-TRONIC (06 - 09)

€ 78,700
Mercedes S 320 CDI DPF long 7G-TRONIC (05 - 08) S 320 CDI DPF long
€ 91,100
 Mercedes S 420 CDI 7G-TRONIC (06 - 09) S 420 CDI
€ 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 13 cm longer.
S 320 CDI DPF long
S 420 CDI
1473
Blueprint Mercedes S 320 CDI DPF long 7G-TRONIC (05 - 08)
1871
2120
1473
Blueprint Mercedes S 420 CDI 7G-TRONIC (06 - 09)
1871
2120
1871 mm
Width
1871 mm
2120 mm
Width Incl. Mirrors
2120 mm
1473 mm
Height
1473 mm
Blueprint Mercedes S 320 CDI DPF long 7G-TRONIC (05 - 08)
3165
5210
Blueprint Mercedes S 420 CDI 7G-TRONIC (06 - 09)
3035
5080
5210 mm
Length
5080 mm
3165 mm
Wheelbase
3035 mm

Vehicle Weight

S 320 CDI DPF long
S 420 CDI
2000 kg
Kerb Weight
2090 kg
2580 kg
Gross Vehicle
Weight
2640 kg
Mercedes S 320 CDI DPF long 7G-TRONIC (05 - 08)
Weight Difference:
90 kg
4.31 %
Mercedes S 420 CDI 7G-TRONIC (06 - 09)

General

S 320 CDI DPF long
S 420 CDI
W221
Generation
W221
Saloon
Car Body Style
Saloon
Diesel
Fuel Type
Diesel
Rear-wheel drive
Drive
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
2987 CC
Engine Capacity
3996 CC
232 bhp
at 3800 rpm
Power
316 bhp
at 3600 rpm
S 320 CDI DPF long
232 bhp
316 bhp
S 420 CDI
540 NM
at 1600 rpm
Max. Torque
730 NM
at 2200 rpm
S 320 CDI DPF long
540 NM
730 NM
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

104 m
0.000 sec

S 320 CDI DPF long

62 mph 62
mph

83 m
0.000 sec

S 420 CDI

▶ REPLAY
8.62 kg/bhp
Weight-to-Power Ratio
6.61 kg/bhp
S 320 CDI DPF long
8.62 kg/bhp
6.61 kg/bhp
S 420 CDI

Fuel Economy / Emissions

S 320 CDI DPF long
S 420 CDI
Fuel Economy
34 mpg
combined
30 mpg
S 320 CDI DPF long
34 mpg
30 mpg
S 420 CDI
24 mpg
city
22 mpg
43 mpg
motorway
39 mpg
Kraftstoffanzeige
90 L
Fuel Tank Capacity
90 L
Kraftstoffanzeige
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).
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
223 g/km (NEFZ)
CO2 Emissions
247 g/km (NEFZ)

Practical Convenience

S 320 CDI DPF long
S 420 CDI
4
Doors
4
5
No. of Seats
5
580 kg
Maximum Payload
550 kg
560 L
Boot Capacity
560 L
No data
Boot Capacity (Seats Down)
No data