The Comparative Analysis :

BMW 420d Coupé xDrive Steptronic (17 - ..) vs. ALPINA B4 Bi-Turbo Coupé Switch-Tronic (14 - 17)

€ 49,200
BMW 420d Coupé xDrive Steptronic (17 - ..) BMW 420d Coupé
€ 69,800
 ALPINA B4 Bi-Turbo Coupé Switch-Tronic (14 - 17) ALPINA B4 Bi-Turbo Coupé
€ 49,200
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 69,800

ⓘ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 0.2 cm shorter and 1.9 cm taller.
BMW 420d Coupé
ALPINA B4 Bi-Turbo Coupé
1392
Blueprint BMW 420d Coupé xDrive Steptronic (17 - ..)
1825
2017
1373
Blueprint ALPINA B4 Bi-Turbo Coupé Switch-Tronic (14 - 17)
1825
2025
1825 mm
Width
1825 mm
2017 mm
Width Incl. Mirrors
2025 mm
1392 mm
Height
1373 mm
Blueprint BMW 420d Coupé xDrive Steptronic (17 - ..)
2810
4638
Blueprint ALPINA B4 Bi-Turbo Coupé Switch-Tronic (14 - 17)
2810
4640
4638 mm
Length
4640 mm
2810 mm
Wheelbase
2810 mm

Vehicle Weight

BMW 420d Coupé
ALPINA B4 Bi-Turbo Coupé
1685 kg
Kerb Weight
1690 kg
2125 kg
Gross Vehicle
Weight
2135 kg
BMW 420d Coupé xDrive Steptronic (17 - ..)
Weight Difference:
5 kg
0.3 %
ALPINA B4 Bi-Turbo Coupé Switch-Tronic (14 - 17)

General

BMW 420d Coupé
ALPINA B4 Bi-Turbo Coupé
F32
Generation
F32
Coupe
Car Body Style
Coupe
Diesel
Fuel Type
Super Unleaded (98 RON)
Permanent all-wheel drive
Drive
Rear-wheel drive
8-speed automatic transmission
Transmission
8-speed automatic transmission

Engine

BMW 420d Coupé
ALPINA B4 Bi-Turbo Coupé
Straight-four diesel engine with tur­bo­charger
Engine Type
Straight-six petrol engine with two tur­bo­chargers (bi­turbo)
BMW B47
Engine Series
B47-D20
Engine Code
N55-R20
4
Valves
4
4
Cylinders
6
1995 CC
Engine Capacity
2979 CC
187 bhp
at 4000 rpm
Power
404 bhp
at 5500 rpm
BMW 420d Coupé
187 bhp
404 bhp
ALPINA B4 Bi-Turbo Coupé
400 NM
at 1750 rpm
Max. Torque
600 NM
at 3000 rpm
BMW 420d Coupé
400 NM
600 NM
ALPINA B4 Bi-Turbo Coupé

Performance

BMW 420d Coupé
ALPINA B4 Bi-Turbo Coupé
143 mph
Maximum Speed
188 mph
7.3 sec
Acceleration 0 to 62 mph
4.2 sec
62 mph 62
mph

101 m
0.000 sec

BMW 420d Coupé

62 mph 62
mph

58 m
0.000 sec

ALPINA B4 Bi-Turbo Coupé

▶ REPLAY
9.01 kg/bhp
Weight-to-Power Ratio
4.18 kg/bhp
BMW 420d Coupé
9.01 kg/bhp
4.18 kg/bhp
ALPINA B4 Bi-Turbo Coupé

Fuel Economy / Emissions

BMW 420d Coupé
ALPINA B4 Bi-Turbo Coupé
Fuel Economy
56 mpg
combined
37 mpg
BMW 420d Coupé
56 mpg
37 mpg
ALPINA B4 Bi-Turbo Coupé
49 mpg
city
28 mpg
No data
motorway
No data
Kraftstoffanzeige
57 L
Fuel Tank Capacity
60 L
Kraftstoffanzeige
708 mi
Range
490 mi
BMW 420d Coupé
708 mi
490 mi
ALPINA B4 Bi-Turbo Coupé
Environmental Impact
102.8 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).
144 kWh
BMW 420d Coupé
102.8 kWh
144 kWh
ALPINA B4 Bi-Turbo Coupé
Euro 6d-TEMP-EVAP-ISC (WLTP)
Emission Standard
Euro 6b (NEFZ)
158 g/km (WLTP)
CO2 Emissions
177 g/km (NEFZ)

Practical Convenience

BMW 420d Coupé
ALPINA B4 Bi-Turbo Coupé
2
Doors
2
4
No. of Seats
4
440 kg
Maximum Payload
445 kg
445 L
Boot Capacity
445 L
No data
Boot Capacity (Seats Down)
No data