The Comparative Analysis :

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

€ 46,700
BMW 420d Coupé Steptronic (17 - ..) BMW 420d Coupé
€ 91,800
 ALPINA B4 S Bi-Turbo Coupé Edition 99 AWD Switch-Tronic (18 - 19) ALPINA B4 S Bi-Turbo Coupé
€ 46,700
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 91,800

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

Vehicle Weight

BMW 420d Coupé
ALPINA B4 S Bi-Turbo Coupé
3560 lb
Curb Weight
3869 lb
4553 lb
Gross Vehicle
Weight
4850 lb
BMW 420d Coupé Steptronic (17 - ..)
Weight Difference:
309 lb
7.99 %
ALPINA B4 S Bi-Turbo Coupé Edition 99 AWD Switch-Tronic (18 - 19)

General

BMW 420d Coupé
ALPINA B4 S Bi-Turbo Coupé
F32
Generation
F32
Coupe
Car Body Style
Coupe
Diesel
Fuel Type
Premium Unleaded
Rear-wheel drive
Drivetrain
Permanent all-wheel drive (AWD)
8-speed automatic transmission
Transmission
8-speed automatic transmission

Engine

BMW 420d Coupé
ALPINA B4 S Bi-Turbo Coupé
Straight-four diesel engine with tur­bo­charger
Engine Type
Straight-six gasoline engine with two tur­bo­chargers (bi­turbo)
BMW B47
Engine Series
B47-D20
Engine Code
N55-B30
4
Valves
4
4
Cylinders
6
2 L / 98 cu in
Displacement
3 L / 147 cu in
187 hp
at 4000 rpm
Power
446 hp
at 5500 rpm
BMW 420d Coupé
187 hp
446 hp
ALPINA B4 S Bi-Turbo Coupé
295 lb‑ft
at 1750 rpm
Max. Torque
502 lb‑ft
at 3000 rpm
BMW 420d Coupé
295 lb‑ft
502 lb‑ft
ALPINA B4 S Bi-Turbo Coupé

Performance

BMW 420d Coupé
ALPINA B4 S Bi-Turbo Coupé
144 mph
Maximum Speed
188 mph
7.2 sec
Acceleration 0 to 62 mph
3.9 sec
62 mph 62
mph

328 ft
0.000 sec

BMW 420d Coupé

62 mph 62
mph

177 ft
0.000 sec

ALPINA B4 S Bi-Turbo Coupé

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

Fuel Economy / Emissions

BMW 420d Coupé
ALPINA B4 S Bi-Turbo Coupé
Fuel Economy
52 mpg
combined
26 mpg
BMW 420d Coupé
52 mpg
26 mpg
ALPINA B4 S Bi-Turbo Coupé
45 mpg
city
19 mpg
No data
highway
No data
Kraftstoffanzeige
15.1 gal
Fuel Tank Capacity
15.9 gal
Kraftstoffanzeige
787 mi
Range
405 mi
BMW 420d Coupé
787 mi
405 mi
ALPINA B4 S Bi-Turbo Coupé
Environmental Impact
92.5 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).
174.3 kWh
BMW 420d Coupé
92.5 kWh
174.3 kWh
ALPINA B4 S Bi-Turbo Coupé
Euro 6d-TEMP-EVAP-ISC (WLTP)
Emission Standard
Euro 6d-TEMP-EVAP (WLTP)
238 g/mi (WLTP)
CO2 Emissions
336 g/mi (NEFZ)

Practical Convenience

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