The Comparative Analysis :
ALPINA B7 Bi-Turbo AWD Switch-Tronic (12 - 15) vs. Mercedes S 420 CDI 7G-TRONIC (06 - 09)
€ 134,600
€ 91,100
€ 134,600
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 ALPINA B7 Bi-Turbo is a little bigger in every dimension. It's 1.2 cm longer, 3.1 cm wider and 1.8 cm taller than the Mercedes S 420 CDI.
ALPINA B7 Bi-Turbo
Mercedes S 420 CDI
1491
1902
2102
1473
1871
2120
1902 mm
Width
1871 mm
2102 mm
Width Incl. Mirrors
2120 mm
1491 mm
Height
1473 mm
3070
5092
3035
5080
5092 mm
Length
5080 mm
3070 mm
Wheelbase
3035 mm
Vehicle Weight
ALPINA B7 Bi-Turbo
Mercedes S 420 CDI
2205 kg
Kerb Weight
2090 kg
2750 kg
Gross Vehicle
Weight
Weight
2640 kg
Weight Difference:
115 kg
5.22 %
General
ALPINA B7 Bi-Turbo
Mercedes S 420 CDI
F01/F02
Generation
W221
Saloon
Car Body Style
Saloon
Super Unleaded (98 RON)
Fuel Type
Diesel

Permanent all-wheel drive
Drive
Rear-wheel drive

8-speed automatic transmission
Transmission
7-speed automatic transmission
Engine
ALPINA B7 Bi-Turbo
Mercedes S 420 CDI
V8 petrol engine with two turbochargers (biturbo)
Engine Type
V8 diesel engine with turbocharger
Engine Series
Mercedes-Benz OM 629
N63-M20
Engine Code
OM 629.911

4
Valves
4
8
Cylinders
8
4395 CC
Engine Capacity
3996 CC
533 bhp
at 5200 rpm
Power
316 bhp
at 3600 rpm
ALPINA B7 Bi-Turbo
533 bhp
316 bhp
Mercedes S 420 CDI
730 NM
at 2800 rpm
Max. Torque
730 NM
at 2200 rpm
ALPINA B7 Bi-Turbo
730 NM
730 NM
Mercedes S 420 CDI
Performance
ALPINA B7 Bi-Turbo
Mercedes S 420 CDI
193 mph
Maximum Speed
155 mph
4.5 sec
Acceleration 0 to 62 mph
6 sec
62 mph
62
mph
mph
63 m
0.000 sec
ALPINA B7 Bi-Turbo
62 mph
62
mph
mph
83 m
0.000 sec
Mercedes S 420 CDI
▶ REPLAY
4.14 kg/bhp
Weight-to-Power Ratio
6.61 kg/bhp
ALPINA B7 Bi-Turbo
4.14 kg/bhp
6.61 kg/bhp
Mercedes S 420 CDI
Fuel Economy / Emissions
ALPINA B7 Bi-Turbo
Mercedes S 420 CDI
Fuel Economy
27 mpg
combined
30 mpg
ALPINA B7 Bi-Turbo
27 mpg
30 mpg
Mercedes S 420 CDI
20 mpg
city
22 mpg
No data
motorway
39 mpg
80 L
Fuel Tank Capacity
90 L
478 mi
Range
595 mi
ALPINA B7 Bi-Turbo
478 mi
595 mi
Mercedes S 420 CDI
Environmental Impact
197 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
ALPINA B7 Bi-Turbo
197 kWh
193.4 kWh
Mercedes S 420 CDI
Euro 5
Emission Standard
Euro 4 III
242 g/km (NEFZ)
CO2 Emissions
247 g/km (NEFZ)
Practical Convenience
ALPINA B7 Bi-Turbo
Mercedes S 420 CDI
4
Doors
4
5
No. of Seats
5
545 kg
Maximum Payload
550 kg
500 L
Boot Capacity
560 L










No data
Boot Capacity (Seats Down)
No data




















