The Comparative Analysis :
ALPINA B4 S Bi-Turbo Coupé Edition 99 Switch-Tronic (18 - 19) vs. BMW 420i Coupé (13 - 16)
€ 88,900
€ 36,800
€ 88,900
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 36,800
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
Тhere is barely any difference in dimensions between the two vehicles. Both cars are the same width, but the ALPINA B4 S Bi-Turbo Coupé is 0.2 cm longer and 0.4 cm lower.
ALPINA B4 S Bi-Turbo Coupé
BMW 420i Coupé
1373
1825
2025
1377
1825
2017
1825 mm
Width
1825 mm
2025 mm
Width Incl. Mirrors
2017 mm
1373 mm
Height
1377 mm
2810
4640
2810
4638
4640 mm
Length
4638 mm
2810 mm
Wheelbase
2810 mm
Vehicle Weight
ALPINA B4 S Bi-Turbo Coupé
BMW 420i Coupé
1690 kg
Kerb Weight
1505 kg
2135 kg
Gross Vehicle
Weight
Weight
1950 kg
Weight Difference:
185 kg
10.95 %
General
ALPINA B4 S Bi-Turbo Coupé
BMW 420i Coupé
F32
Generation
F32
Coupe
Car Body Style
Coupe
Super Unleaded (98 RON)
Fuel Type
Super Unleaded (98 RON)
Rear-wheel drive
Drive
Rear-wheel drive
8-speed automatic transmission
Transmission
6-speed manual transmission
Engine
ALPINA B4 S Bi-Turbo Coupé
BMW 420i Coupé
Straight-six petrol engine with two turbochargers (biturbo)
Engine Type
Straight-four petrol engine with turbocharger
Engine Series
BMW N20
N55-B30
Engine Code
N20-B20
4
Valves
4
6
Cylinders
4
2979 CC
Engine Capacity
1997 CC
446 bhp
at 5500 rpm
Power
181 bhp
at 5000 rpm
ALPINA B4 S Bi-Turbo Coupé
446 bhp
181 bhp
BMW 420i Coupé
680 NM
at 3000 rpm
Max. Torque
270 NM
at 1250 rpm
ALPINA B4 S Bi-Turbo Coupé
680 NM
270 NM
BMW 420i Coupé
Performance
ALPINA B4 S Bi-Turbo Coupé
BMW 420i Coupé
190 mph
Maximum Speed
147 mph
4.2 sec
Acceleration 0 to 62 mph
7.3 sec
62 mph
62
mph
mph
58 m
0.000 sec
ALPINA B4 S Bi-Turbo Coupé
62 mph
62
mph
mph
101 m
0.000 sec
BMW 420i Coupé
▶ REPLAY
3.79 kg/bhp
Weight-to-Power Ratio
8.31 kg/bhp
ALPINA B4 S Bi-Turbo Coupé
3.79 kg/bhp
8.31 kg/bhp
BMW 420i Coupé
Fuel Economy / Emissions
ALPINA B4 S Bi-Turbo Coupé
BMW 420i Coupé
Fuel Economy
31 mpg
combined
46 mpg
ALPINA B4 S Bi-Turbo Coupé
31 mpg
46 mpg
BMW 420i Coupé
23 mpg
city
34 mpg
No data
motorway
No data
60 L
Fuel Tank Capacity
60 L
409 mi
Range
611 mi
ALPINA B4 S Bi-Turbo Coupé
409 mi
611 mi
BMW 420i Coupé
Environmental Impact
172.4 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).
115.6 kWh
ALPINA B4 S Bi-Turbo Coupé
172.4 kWh
115.6 kWh
BMW 420i Coupé
Euro 6d-TEMP-EVAP (WLTP)
Emission Standard
Euro 6b (NEFZ)
207 g/km (NEFZ)
CO2 Emissions
144 g/km (NEFZ)
Practical Convenience
ALPINA B4 S Bi-Turbo Coupé
BMW 420i Coupé
2
Doors
2
4
No. of Seats
4
445 kg
Maximum Payload
445 kg
445 L
Boot Capacity
445 L
No data
Boot Capacity (Seats Down)
No data
