The Comparative Analysis :
Mercedes S 420 CDI 7G-TRONIC (06 - 09) vs. BMW 730Ld BluePerformance Automatic (09 - 12)
€ 91,100

€ 80,900

€ 91,100
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 80,900
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The Mercedes S 420 CDI is slightly smaller in every dimension. It's 13.2 cm shorter, 3.1 cm narrower and 0.5 cm lower than the BMW 730Ld BluePerformance.
Mercedes S 420 CDI
BMW 730Ld BluePerformance
1473
1871
2120
1478
1902
2134
1871 mm
Width
1902 mm
2120 mm
Width Incl. Mirrors
2134 mm
1473 mm
Height
1478 mm
3035
5080
3210
5212
5080 mm
Length
5212 mm
3035 mm
Wheelbase
3210 mm
Vehicle Weight
Mercedes S 420 CDI
BMW 730Ld BluePerformance
2090 kg
Kerb Weight
1975 kg
2640 kg
Gross Vehicle
Weight
Weight
2530 kg

Weight Difference:
115 kg
5.5 %

General
Mercedes S 420 CDI
BMW 730Ld BluePerformance
W221
Generation
F02
Saloon
Car Body Style
Saloon
Diesel
Fuel Type
Diesel

Rear-wheel drive
Drive
Rear-wheel drive

7-speed automatic transmission
Transmission
6-speed automatic transmission
Engine
Mercedes S 420 CDI
BMW 730Ld BluePerformance
V8 diesel engine with turbocharger
Engine Type
Straight-six diesel engine with turbocharger
Mercedes-Benz OM 629
Engine Series
BMW N57
OM 629.911
Engine Code
N57-D30


4
Valves
4
8
Cylinders
6
3996 CC
Engine Capacity
2993 CC
316 bhp
at 3600 rpm
Power
242 bhp
at 4000 rpm
Mercedes S 420 CDI
316 bhp
242 bhp
BMW 730Ld BluePerformance
730 NM
at 2200 rpm
Max. Torque
540 NM
at 1750 rpm
Mercedes S 420 CDI
730 NM
540 NM
BMW 730Ld BluePerformance
Performance
Mercedes S 420 CDI
BMW 730Ld BluePerformance
155 mph
Maximum Speed
152 mph
6 sec
Acceleration 0 to 62 mph
7.3 sec
62 mph
62
mph
mph
83 m
0.000 sec

Mercedes S 420 CDI
62 mph
62
mph
mph
101 m
0.000 sec

BMW 730Ld BluePerformance
▶ REPLAY
6.61 kg/bhp
Weight-to-Power Ratio
8.16 kg/bhp
Mercedes S 420 CDI
6.61 kg/bhp
8.16 kg/bhp
BMW 730Ld BluePerformance
Fuel Economy / Emissions
Mercedes S 420 CDI
BMW 730Ld BluePerformance
Fuel Economy
30 mpg
combined
41 mpg
Mercedes S 420 CDI
30 mpg
41 mpg
BMW 730Ld BluePerformance
22 mpg
city
31 mpg
39 mpg
motorway
No data
90 L
Fuel Tank Capacity
80 L
595 mi
Range
720 mi
Mercedes S 420 CDI
595 mi
720 mi
BMW 730Ld BluePerformance
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).
141.9 kWh
Mercedes S 420 CDI
193.4 kWh
141.9 kWh
BMW 730Ld BluePerformance
Euro 4 III
Emission Standard
Euro 6b (NEFZ)
247 g/km (NEFZ)
CO2 Emissions
180 g/km (NEFZ)
Practical Convenience
Mercedes S 420 CDI
BMW 730Ld BluePerformance
4
Doors
4
5
No. of Seats
5
550 kg
Maximum Payload
555 kg
560 L
Boot Capacity
500 L










No data
Boot Capacity (Seats Down)
No data