The Comparative Analysis :
BMW 420d Coupé (17 - 19) vs. ALPINA B4 S Bi-Turbo Coupé Switch-Tronic (18 - 19)
€ 43,700
€ 75,300
€ 43,700
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 75,300
ⓘ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 BMW 420d Coupé is 0.2 cm shorter and 0.4 cm taller.
BMW 420d Coupé
ALPINA B4 S Bi-Turbo Coupé
1377
1825
2017
1373
1825
2025
1825 mm
Width
1825 mm
2017 mm
Width Incl. Mirrors
2025 mm
1377 mm
Height
1373 mm
2810
4638
2810
4640
4638 mm
Length
4640 mm
2810 mm
Wheelbase
2810 mm
Vehicle Weight
BMW 420d Coupé
ALPINA B4 S Bi-Turbo Coupé
1550 kg
Kerb Weight
1690 kg
1995 kg
Gross Vehicle
Weight
Weight
2135 kg
Weight Difference:
140 kg
8.28 %
General
BMW 420d Coupé
ALPINA B4 S Bi-Turbo Coupé
F32
Generation
F32
Coupe
Car Body Style
Coupe
Diesel
Fuel Type
Super Unleaded (98 RON)
Rear-wheel drive
Drive
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 petrol engine with two turbochargers (biturbo)
BMW B47
Engine Series
B47-D20
Engine Code
N55-B30
4
Valves
4
4
Cylinders
6
1995 CC
Engine Capacity
2979 CC
187 bhp
at 4000 rpm
Power
434 bhp
at 5500 rpm
BMW 420d Coupé
187 bhp
434 bhp
ALPINA B4 S Bi-Turbo Coupé
400 NM
at 1750 rpm
Max. Torque
660 NM
at 3000 rpm
BMW 420d Coupé
400 NM
660 NM
ALPINA B4 S Bi-Turbo Coupé
Performance
BMW 420d Coupé
ALPINA B4 S Bi-Turbo Coupé
149 mph
Maximum Speed
190 mph
7.3 sec
Acceleration 0 to 62 mph
4.2 sec
62 mph
62
mph
mph
101 m
0.000 sec
BMW 420d Coupé
62 mph
62
mph
mph
58 m
0.000 sec
ALPINA B4 S Bi-Turbo Coupé
▶ REPLAY
8.29 kg/bhp
Weight-to-Power Ratio
3.89 kg/bhp
BMW 420d Coupé
8.29 kg/bhp
3.89 kg/bhp
ALPINA B4 S Bi-Turbo Coupé
Fuel Economy / Emissions
BMW 420d Coupé
ALPINA B4 S Bi-Turbo Coupé
Fuel Economy
67 mpg
combined
31 mpg
BMW 420d Coupé
67 mpg
31 mpg
ALPINA B4 S Bi-Turbo Coupé
55 mpg
city
23 mpg
No data
motorway
No data
57 L
Fuel Tank Capacity
60 L
843 mi
Range
409 mi
BMW 420d Coupé
843 mi
409 mi
ALPINA B4 S Bi-Turbo Coupé
Environmental Impact
86.4 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).
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
86.4 kWh
172.4 kWh
ALPINA B4 S Bi-Turbo Coupé
Euro 6b (NEFZ)
Emission Standard
Euro 6d-TEMP (WLTP)
111 g/km (NEFZ)
CO2 Emissions
207 g/km (NEFZ)
Practical Convenience
BMW 420d Coupé
ALPINA B4 S Bi-Turbo Coupé
2
Doors
2
4
No. of Seats
4
445 kg
Maximum Payload
445 kg
445 L
Boot Capacity
445 L
No data
Boot Capacity (Seats Down)
No data
