The Comparative Analysis :

ALPINA B4 S Bi-Turbo Coupé Edition 99 AWD Switch-Tronic (18 - 19) vs. BMW 420i Coupé Steptronic (16 - 17)

€ 91,800
ALPINA B4 S Bi-Turbo Coupé Edition 99 AWD Switch-Tronic (18 - 19) ALPINA B4 S Bi-Turbo Coupé
€ 39,700
 BMW 420i Coupé Steptronic (16 - 17) BMW 420i Coupé
€ 91,800
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 39,700

ⓘ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
Blueprint ALPINA B4 S Bi-Turbo Coupé Edition 99 AWD Switch-Tronic (18 - 19)
1825
2025
1377
Blueprint BMW 420i Coupé Steptronic (16 - 17)
1825
2017
1825 mm
Width
1825 mm
2025 mm
Width Incl. Mirrors
2017 mm
1373 mm
Height
1377 mm
Blueprint ALPINA B4 S Bi-Turbo Coupé Edition 99 AWD Switch-Tronic (18 - 19)
2810
4640
Blueprint BMW 420i Coupé Steptronic (16 - 17)
2810
4638
4640 mm
Length
4638 mm
2810 mm
Wheelbase
2810 mm

Vehicle Weight

ALPINA B4 S Bi-Turbo Coupé
BMW 420i Coupé
1755 kg
Kerb Weight
1570 kg
2200 kg
Gross Vehicle
Weight
2015 kg
ALPINA B4 S Bi-Turbo Coupé Edition 99 AWD Switch-Tronic (18 - 19)
Weight Difference:
185 kg
10.54 %
BMW 420i Coupé Steptronic (16 - 17)

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)
Permanent all-wheel drive
Drive
Rear-wheel drive
8-speed automatic transmission
Transmission
8-speed automatic 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 B48
N55-B30
Engine Code
B48-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 1350 rpm
ALPINA B4 S Bi-Turbo Coupé
680 NM
270 NM
BMW 420i Coupé

Performance

ALPINA B4 S Bi-Turbo Coupé
BMW 420i Coupé
188 mph
Maximum Speed
147 mph
3.9 sec
Acceleration 0 to 62 mph
7.5 sec
62 mph 62
mph

54 m
0.000 sec

ALPINA B4 S Bi-Turbo Coupé

62 mph 62
mph

104 m
0.000 sec

BMW 420i Coupé

▶ REPLAY
3.93 kg/bhp
Weight-to-Power Ratio
8.67 kg/bhp
ALPINA B4 S Bi-Turbo Coupé
3.93 kg/bhp
8.67 kg/bhp
BMW 420i Coupé

Fuel Economy / Emissions

ALPINA B4 S Bi-Turbo Coupé
BMW 420i Coupé
Fuel Economy
31 mpg
combined
51 mpg
ALPINA B4 S Bi-Turbo Coupé
31 mpg
51 mpg
BMW 420i Coupé
23 mpg
city
40 mpg
No data
motorway
No data
Kraftstoffanzeige
60 L
Fuel Tank Capacity
60 L
Kraftstoffanzeige
405 mi
Range
678 mi
ALPINA B4 S Bi-Turbo Coupé
405 mi
678 mi
BMW 420i Coupé
Environmental Impact
174.3 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).
104.1 kWh
ALPINA B4 S Bi-Turbo Coupé
174.3 kWh
104.1 kWh
BMW 420i Coupé
Euro 6d-TEMP-EVAP (WLTP)
Emission Standard
Euro 6b (NEFZ)
209 g/km (NEFZ)
CO2 Emissions
127 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