The Comparative Analysis :
BMW 420i Coupé Steptronic (16 - 17) vs. ALPINA B3 S Bi-Turbo Coupé AWD Switch-Tronic (10 - 13)
€ 39,700
€ 66,300
€ 39,700
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 66,300
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The dimensions of these vehicles differ a little. The BMW 420i Coupé is 1.6 cm longer, 4.3 cm wider and 3.3 cm lower than the ALPINA B3 S Bi-Turbo Coupé.
BMW 420i Coupé
ALPINA B3 S Bi-Turbo Coupé
1377
1825
2017
1410
1782
1982
1825 mm
Width
1782 mm
2017 mm
Width Incl. Mirrors
1982 mm
1377 mm
Height
1410 mm
2810
4638
2760
4622
4638 mm
Length
4622 mm
2810 mm
Wheelbase
2760 mm
Vehicle Weight
BMW 420i Coupé
ALPINA B3 S Bi-Turbo Coupé
1570 kg
Kerb Weight
1745 kg
2015 kg
Gross Vehicle
Weight
Weight
2150 kg
Weight Difference:
175 kg
10.03 %
General
BMW 420i Coupé
ALPINA B3 S Bi-Turbo Coupé
F32
Generation
E92
Coupe
Car Body Style
Coupe
Super Unleaded (98 RON)
Fuel Type
Super Unleaded (98 RON)
Rear-wheel drive
Drive
Permanent all-wheel drive
8-speed automatic transmission
Transmission
6-speed automatic transmission
Engine
BMW 420i Coupé
ALPINA B3 S Bi-Turbo Coupé
Straight-four petrol engine with turbocharger
Engine Type
Straight-six petrol engine with two turbochargers (biturbo)
BMW B48
Engine Series
B48-B20
Engine Code
N54-K30
4
Valves
4
4
Cylinders
6
1997 CC
Engine Capacity
2979 CC
181 bhp
at 5000 rpm
Power
395 bhp
at 6000 rpm
BMW 420i Coupé
181 bhp
395 bhp
ALPINA B3 S Bi-Turbo Coupé
270 NM
at 1350 rpm
Max. Torque
540 NM
at 4500 rpm
BMW 420i Coupé
270 NM
540 NM
ALPINA B3 S Bi-Turbo Coupé
Performance
BMW 420i Coupé
ALPINA B3 S Bi-Turbo Coupé
147 mph
Maximum Speed
183 mph
7.5 sec
Acceleration 0 to 62 mph
4.7 sec
62 mph
62
mph
mph
104 m
0.000 sec
BMW 420i Coupé
62 mph
62
mph
mph
65 m
0.000 sec
ALPINA B3 S Bi-Turbo Coupé
▶ REPLAY
8.67 kg/bhp
Weight-to-Power Ratio
4.42 kg/bhp
BMW 420i Coupé
8.67 kg/bhp
4.42 kg/bhp
ALPINA B3 S Bi-Turbo Coupé
Fuel Economy / Emissions
BMW 420i Coupé
ALPINA B3 S Bi-Turbo Coupé
Fuel Economy
51 mpg
combined
28 mpg
BMW 420i Coupé
51 mpg
28 mpg
ALPINA B3 S Bi-Turbo Coupé
40 mpg
city
20 mpg
No data
motorway
No data
60 L
Fuel Tank Capacity
63 L
678 mi
Range
391 mi
BMW 420i Coupé
678 mi
391 mi
ALPINA B3 S Bi-Turbo Coupé
Environmental Impact
104.1 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).
189.4 kWh
BMW 420i Coupé
104.1 kWh
189.4 kWh
ALPINA B3 S Bi-Turbo Coupé
Euro 6b (NEFZ)
Emission Standard
Euro 5
127 g/km (NEFZ)
CO2 Emissions
232 g/km (NEFZ)
Practical Convenience
BMW 420i Coupé
ALPINA B3 S Bi-Turbo Coupé
2
Doors
2
4
No. of Seats
4
445 kg
Maximum Payload
405 kg
445 L
Boot Capacity
430 L
No data
Boot Capacity (Seats Down)
No data
