The Comparative Analysis :
Mercedes S 420 CDI 7G-TRONIC (06 - 09) vs. Mercedes S 320 CDI 4MATIC 7G-TRONIC (06 - 09)
€ 91,100
€ 76,200
€ 91,100
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 76,200
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The dimensions of the S 420 CDI and the S 320 CDI are absolutely identical. Both are 5080 mm long, 1871 mm wide and 1473 mm tall.
S 420 CDI
S 320 CDI
1473
1871
2120
1473
1871
2120
1871 mm
Width
1871 mm
2120 mm
Width Incl. Mirrors
2120 mm
1473 mm
Height
1473 mm
3035
5080
3035
5080
5080 mm
Length
5080 mm
3035 mm
Wheelbase
3035 mm
Vehicle Weight
S 420 CDI
S 320 CDI
2090 kg
Kerb Weight
2025 kg
2640 kg
Gross Vehicle
Weight
Weight
2625 kg
Weight Difference:
65 kg
3.11 %
General
S 420 CDI
S 320 CDI
W221
Generation
W221
Saloon
Car Body Style
Saloon
Diesel
Fuel Type
Diesel
Rear-wheel drive
Drive
Permanent all-wheel drive
7-speed automatic transmission
Transmission
7-speed automatic transmission
Engine
S 420 CDI
S 320 CDI
V8 diesel engine with turbocharger
Engine Type
V6 diesel engine with turbocharger
Mercedes-Benz OM 629
Engine Series
Mercedes-Benz OM 642
OM 629.911
Engine Code
OM 642.932
4
Valves
4
8
Cylinders
6
3996 CC
Engine Capacity
2987 CC
316 bhp
at 3600 rpm
Power
232 bhp
at 3800 rpm
S 420 CDI
316 bhp
232 bhp
S 320 CDI
730 NM
at 2200 rpm
Max. Torque
540 NM
at 1600 rpm
S 420 CDI
730 NM
540 NM
S 320 CDI
Performance
S 420 CDI
S 320 CDI
155 mph
Maximum Speed
152 mph
6 sec
Acceleration 0 to 62 mph
7.8 sec
62 mph
62
mph
mph
83 m
0.000 sec
S 420 CDI
62 mph
62
mph
mph
108 m
0.000 sec
S 320 CDI
▶ REPLAY
6.61 kg/bhp
Weight-to-Power Ratio
8.73 kg/bhp
S 420 CDI
6.61 kg/bhp
8.73 kg/bhp
S 320 CDI
Fuel Economy / Emissions
S 420 CDI
S 320 CDI
Fuel Economy
30 mpg
combined
34 mpg
S 420 CDI
30 mpg
34 mpg
S 320 CDI
22 mpg
city
25 mpg
39 mpg
motorway
44 mpg
90 L
Fuel Tank Capacity
90 L
595 mi
Range
674 mi
S 420 CDI
595 mi
674 mi
S 320 CDI
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).
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).
170.8 kWh
S 420 CDI
193.4 kWh
170.8 kWh
S 320 CDI
Euro 4 III
Emission Standard
Euro 4 III
247 g/km (NEFZ)
CO2 Emissions
218 g/km (NEFZ)
Practical Convenience
S 420 CDI
S 320 CDI
4
Doors
4
5
No. of Seats
5
550 kg
Maximum Payload
600 kg
560 L
Boot Capacity
560 L
No data
Boot Capacity (Seats Down)
No data
