The Comparative Analysis :

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

€ 88,900
ALPINA B4 S Bi-Turbo Coupé Edition 99 Switch-Tronic (18 - 19) ALPINA B4 S Bi-Turbo Coupé
€ 37,600
 BMW 420i Coupé (16 - 17) BMW 420i Coupé
€ 88,900
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 37,600

ⓘ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 0.1 inches longer and 0.2 inches lower.
ALPINA B4 S Bi-Turbo Coupé
BMW 420i Coupé
54.1
Blueprint ALPINA B4 S Bi-Turbo Coupé Edition 99 Switch-Tronic (18 - 19)
71.9
79.7
54.2
Blueprint BMW 420i Coupé (16 - 17)
71.9
79.4
71.9 in
Width
71.9 in
79.7 in
Width Incl. Mirrors
79.4 in
54.1 in
Height
54.2 in
Blueprint ALPINA B4 S Bi-Turbo Coupé Edition 99 Switch-Tronic (18 - 19)
110.6
182.7
Blueprint BMW 420i Coupé (16 - 17)
110.6
182.6
182.7 in
Length
182.6 in
110.6 in
Wheelbase
110.6 in

Vehicle Weight

ALPINA B4 S Bi-Turbo Coupé
BMW 420i Coupé
3726 lb
Curb Weight
3417 lb
4707 lb
Gross Vehicle
Weight
4398 lb
ALPINA B4 S Bi-Turbo Coupé Edition 99 Switch-Tronic (18 - 19)
Weight Difference:
309 lb
8.29 %
BMW 420i Coupé (16 - 17)

General

ALPINA B4 S Bi-Turbo Coupé
BMW 420i Coupé
F32
Generation
F32
Coupe
Car Body Style
Coupe
Premium Unleaded
Fuel Type
Premium Unleaded
Rear-wheel drive
Drivetrain
Rear-wheel drive
8-speed automatic transmission
Transmission
6-speed manual transmission

Engine

ALPINA B4 S Bi-Turbo Coupé
BMW 420i Coupé
Straight-six gasoline engine with two tur­bo­chargers (bi­turbo)
Engine Type
Straight-four gasoline engine with tur­bo­charger
Engine Series
BMW B48
N55-B30
Engine Code
B48-B20
4
Valves
4
6
Cylinders
4
3 L / 147 cu in
Displacement
2 L / 98 cu in
446 hp
at 5500 rpm
Power
181 hp
at 5000 rpm
ALPINA B4 S Bi-Turbo Coupé
446 hp
181 hp
BMW 420i Coupé
502 lb‑ft
at 3000 rpm
Max. Torque
199 lb‑ft
at 1350 rpm
ALPINA B4 S Bi-Turbo Coupé
502 lb‑ft
199 lb‑ft
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

190 ft
0.000 sec

ALPINA B4 S Bi-Turbo Coupé

62 mph 62
mph

331 ft
0.000 sec

BMW 420i Coupé

▶ REPLAY
8.35 lb/hp
Weight-to-Power Ratio
18.88 lb/hp
ALPINA B4 S Bi-Turbo Coupé
8.35 lb/hp
18.88 lb/hp
BMW 420i Coupé

Fuel Economy / Emissions

ALPINA B4 S Bi-Turbo Coupé
BMW 420i Coupé
Fuel Economy
26 mpg
combined
41 mpg
ALPINA B4 S Bi-Turbo Coupé
26 mpg
41 mpg
BMW 420i Coupé
19 mpg
city
31 mpg
No data
highway
No data
Kraftstoffanzeige
15.9 gal
Fuel Tank Capacity
15.9 gal
Kraftstoffanzeige
409 mi
Range
642 mi
ALPINA B4 S Bi-Turbo Coupé
409 mi
642 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).
109.9 kWh
ALPINA B4 S Bi-Turbo Coupé
172.4 kWh
109.9 kWh
BMW 420i Coupé
Euro 6d-TEMP-EVAP (WLTP)
Emission Standard
Euro 6b (NEFZ)
333 g/mi (NEFZ)
CO2 Emissions
216 g/mi (NEFZ)

Practical Convenience

ALPINA B4 S Bi-Turbo Coupé
BMW 420i Coupé
2
Doors
2
4
No. of Seats
4
981 lb
Maximum Payload
981 lb
12.6 cu ft
Trunk Volume
12.6 cu ft
No data
Cargo Volume (Seats Down)
No data