The Comparative Analysis :

ALPINA B4 S Bi-Turbo Coupé Edition 99 AWD Switch-Tronic (18 - 19) vs. BMW 420i Coupé xDrive (13 - 16)

€ 91,800
ALPINA B4 S Bi-Turbo Coupé Edition 99 AWD Switch-Tronic (18 - 19) ALPINA B4 S Bi-Turbo Coupé
€ 39,300
 BMW 420i Coupé xDrive (13 - 16) BMW 420i Coupé
€ 91,800
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 39,300

ⓘ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 0.7 inches lower.
ALPINA B4 S Bi-Turbo Coupé
BMW 420i Coupé
54.1
Blueprint ALPINA B4 S Bi-Turbo Coupé Edition 99 AWD Switch-Tronic (18 - 19)
71.9
79.7
54.8
Blueprint BMW 420i Coupé xDrive (13 - 16)
71.9
79.4
71.9 in
Width
71.9 in
79.7 in
Width Incl. Mirrors
79.4 in
54.1 in
Height
54.8 in
Blueprint ALPINA B4 S Bi-Turbo Coupé Edition 99 AWD Switch-Tronic (18 - 19)
110.6
182.7
Blueprint BMW 420i Coupé xDrive (13 - 16)
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
3869 lb
Curb Weight
3516 lb
4850 lb
Gross Vehicle
Weight
4497 lb
ALPINA B4 S Bi-Turbo Coupé Edition 99 AWD Switch-Tronic (18 - 19)
Weight Difference:
353 lb
9.12 %
BMW 420i Coupé xDrive (13 - 16)

General

ALPINA B4 S Bi-Turbo Coupé
BMW 420i Coupé
F32
Generation
F32
Coupe
Car Body Style
Coupe
Premium Unleaded
Fuel Type
Premium Unleaded
Permanent all-wheel drive (AWD)
Drivetrain
Permanent all-wheel drive (AWD)
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 N20
N55-B30
Engine Code
N20-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 1250 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
188 mph
Maximum Speed
145 mph
3.9 sec
Acceleration 0 to 62 mph
7.4 sec
62 mph 62
mph

177 ft
0.000 sec

ALPINA B4 S Bi-Turbo Coupé

62 mph 62
mph

338 ft
0.000 sec

BMW 420i Coupé

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

Fuel Economy / Emissions

ALPINA B4 S Bi-Turbo Coupé
BMW 420i Coupé
Fuel Economy
26 mpg
combined
35 mpg
ALPINA B4 S Bi-Turbo Coupé
26 mpg
35 mpg
BMW 420i Coupé
19 mpg
city
26 mpg
No data
highway
No data
Kraftstoffanzeige
15.9 gal
Fuel Tank Capacity
15.9 gal
Kraftstoffanzeige
405 mi
Range
548 mi
ALPINA B4 S Bi-Turbo Coupé
405 mi
548 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).
128.7 kWh
ALPINA B4 S Bi-Turbo Coupé
174.3 kWh
128.7 kWh
BMW 420i Coupé
Euro 6d-TEMP-EVAP (WLTP)
Emission Standard
Euro 6b (NEFZ)
336 g/mi (NEFZ)
CO2 Emissions
256 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