The Comparative Analysis :
ALPINA B3 S Cabrio Switch-Tronic (03 - 06) vs. BMW 420i Cabrio (17 - 18)
€ 58,200
€ 48,500
€ 58,200
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 48,500
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The ALPINA B3 S Cabrio is considerably smaller in every dimension. It's 15 cm shorter, 6.8 cm narrower and 3.2 cm lower than the BMW 420i Cabrio.
ALPINA B3 S Cabrio
BMW 420i Cabrio
1352
1757
2035
1384
1825
2017
1757 mm
Width
1825 mm
2035 mm
Width Incl. Mirrors
2017 mm
1352 mm
Height
1384 mm
2725
4488
2810
4638
4488 mm
Length
4638 mm
2725 mm
Wheelbase
2810 mm
Vehicle Weight
ALPINA B3 S Cabrio
BMW 420i Cabrio
1645 kg
Kerb Weight
1775 kg
2065 kg
Gross Vehicle
Weight
Weight
2170 kg
Weight Difference:
130 kg
7.32 %
General
ALPINA B3 S Cabrio
BMW 420i Cabrio
E46
Generation
F33
Convertible
Car Body Style
Convertible
Super Unleaded (98 RON)
Fuel Type
Super Unleaded (98 RON)
Rear-wheel drive
Drive
Rear-wheel drive
5-speed automatic transmission
Transmission
6-speed manual transmission
Engine
ALPINA B3 S Cabrio
BMW 420i Cabrio
Straight-six petrol engine (naturally aspirated engine)
Engine Type
Straight-four petrol engine with turbocharger
Engine Series
BMW B48
E5/1
Engine Code
B48-B20
4
Valves
4
6
Cylinders
4
3346 CC
Engine Capacity
1998 CC
301 bhp
at 6300 rpm
Power
181 bhp
at 5000 rpm
ALPINA B3 S Cabrio
301 bhp
181 bhp
BMW 420i Cabrio
362 NM
at 4500 rpm
Max. Torque
270 NM
at 1350 rpm
ALPINA B3 S Cabrio
362 NM
270 NM
BMW 420i Cabrio
Performance
ALPINA B3 S Cabrio
BMW 420i Cabrio
161 mph
Maximum Speed
143 mph
6.6 sec
Acceleration 0 to 62 mph
8.2 sec
62 mph
62
mph
mph
92 m
0.000 sec
ALPINA B3 S Cabrio
62 mph
62
mph
mph
114 m
0.000 sec
BMW 420i Cabrio
▶ REPLAY
5.47 kg/bhp
Weight-to-Power Ratio
9.81 kg/bhp
ALPINA B3 S Cabrio
5.47 kg/bhp
9.81 kg/bhp
BMW 420i Cabrio
Fuel Economy / Emissions
ALPINA B3 S Cabrio
BMW 420i Cabrio
Fuel Economy
24 mpg
combined
46 mpg
ALPINA B3 S Cabrio
24 mpg
46 mpg
BMW 420i Cabrio
16 mpg
city
35 mpg
No data
motorway
No data
63 L
Fuel Tank Capacity
60 L
332 mi
Range
601 mi
ALPINA B3 S Cabrio
332 mi
601 mi
BMW 420i Cabrio
Environmental Impact
223.5 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).
117.5 kWh
ALPINA B3 S Cabrio
223.5 kWh
117.5 kWh
BMW 420i Cabrio
Euro 3
Emission Standard
Euro 6b (NEFZ)
283 g/km (NEFZ)
CO2 Emissions
145 g/km (NEFZ)
Practical Convenience
ALPINA B3 S Cabrio
BMW 420i Cabrio
2
Doors
2
4
No. of Seats
4
500 kg
Maximum Payload
395 kg
300 L
Boot Capacity
370 L
No data
Boot Capacity (Seats Down)
No data
