The Comparative Analysis :

BMW 420d Coupé xDrive (15 - 17) vs. ALPINA B4 S Bi-Turbo Coupé Edition 99 Switch-Tronic (18 - 19)

€ 43,300
BMW 420d Coupé xDrive (15 - 17) BMW 420d Coupé
€ 88,900
 ALPINA B4 S Bi-Turbo Coupé Edition 99 Switch-Tronic (18 - 19) ALPINA B4 S Bi-Turbo Coupé
€ 43,300
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 88,900

ⓘ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 0.7 inches taller.
BMW 420d Coupé
ALPINA B4 S Bi-Turbo Coupé
54.8
Blueprint BMW 420d Coupé xDrive (15 - 17)
71.9
79.4
54.1
Blueprint ALPINA B4 S Bi-Turbo Coupé Edition 99 Switch-Tronic (18 - 19)
71.9
79.7
71.9 in
Width
71.9 in
79.4 in
Width Incl. Mirrors
79.7 in
54.8 in
Height
54.1 in
Blueprint BMW 420d Coupé xDrive (15 - 17)
110.6
182.6
Blueprint ALPINA B4 S Bi-Turbo Coupé Edition 99 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
3538 lb
Curb Weight
3726 lb
4519 lb
Gross Vehicle
Weight
4707 lb
BMW 420d Coupé xDrive (15 - 17)
Weight Difference:
187 lb
5.02 %
ALPINA B4 S Bi-Turbo Coupé Edition 99 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
Permanent all-wheel drive (AWD)
Drivetrain
Rear-wheel drive
6-speed manual 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
147 mph
Maximum Speed
190 mph
7.4 sec
Acceleration 0 to 62 mph
4.2 sec
62 mph 62
mph

338 ft
0.000 sec

BMW 420d Coupé

62 mph 62
mph

190 ft
0.000 sec

ALPINA B4 S Bi-Turbo Coupé

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

Fuel Economy / Emissions

BMW 420d Coupé
ALPINA B4 S Bi-Turbo Coupé
Fuel Economy
53 mpg
combined
26 mpg
BMW 420d Coupé
53 mpg
26 mpg
ALPINA B4 S Bi-Turbo Coupé
44 mpg
city
19 mpg
No data
highway
No data
Kraftstoffanzeige
15.1 gal
Fuel Tank Capacity
15.9 gal
Kraftstoffanzeige
805 mi
Range
409 mi
BMW 420d Coupé
805 mi
409 mi
ALPINA B4 S Bi-Turbo Coupé
Environmental Impact
90.4 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).
172.4 kWh
BMW 420d Coupé
90.4 kWh
172.4 kWh
ALPINA B4 S Bi-Turbo Coupé
Euro 6b (NEFZ)
Emission Standard
Euro 6d-TEMP-EVAP (WLTP)
188 g/mi (NEFZ)
CO2 Emissions
333 g/mi (NEFZ)

Practical Convenience

BMW 420d Coupé
ALPINA B4 S Bi-Turbo 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