The Comparative Analysis :

BMW 420d Cabrio Steptronic (17 - ..) vs. ALPINA B3 Bi-Turbo Cabriolet Switch-Tronic (07 - 10)

€ 53,900
BMW 420d Cabrio Steptronic (17 - ..) BMW 420d Cabrio
€ 67,800
 ALPINA B3 Bi-Turbo Cabriolet Switch-Tronic (07 - 10) ALPINA B3 Bi-Turbo Cabriolet
€ 53,900
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 67,800

ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info

Vehicle Dimensions

The dimensions of these vehicles differ slightly. The BMW 420d Cabrio is 5.8 cm longer, 4.3 cm wider and 0.1 cm lower than the ALPINA B3 Bi-Turbo Cabriolet.
BMW 420d Cabrio
ALPINA B3 Bi-Turbo Cabriolet
1384
Blueprint BMW 420d Cabrio Steptronic (17 - ..)
1825
2017
1385
Blueprint ALPINA B3 Bi-Turbo Cabriolet Switch-Tronic (07 - 10)
1782
1982
1825 mm
Width
1782 mm
2017 mm
Width Incl. Mirrors
1982 mm
1384 mm
Height
1385 mm
Blueprint BMW 420d Cabrio Steptronic (17 - ..)
2810
4638
Blueprint ALPINA B3 Bi-Turbo Cabriolet Switch-Tronic (07 - 10)
2760
4580
4638 mm
Length
4580 mm
2810 mm
Wheelbase
2760 mm

Vehicle Weight

BMW 420d Cabrio
ALPINA B3 Bi-Turbo Cabriolet
1840 kg
Kerb Weight
1845 kg
2230 kg
Gross Vehicle
Weight
2200 kg
BMW 420d Cabrio Steptronic (17 - ..)
Weight Difference:
5 kg
0.27 %
ALPINA B3 Bi-Turbo Cabriolet Switch-Tronic (07 - 10)

General

BMW 420d Cabrio
ALPINA B3 Bi-Turbo Cabriolet
F33
Generation
E93
Convertible
Car Body Style
Convertible
Diesel
Fuel Type
Super Unleaded (98 RON)
Rear-wheel drive
Drive
Rear-wheel drive
8-speed automatic transmission
Transmission
6-speed automatic transmission

Engine

BMW 420d Cabrio
ALPINA B3 Bi-Turbo Cabriolet
Straight-four diesel engine with tur­bo­charger
Engine Type
Straight-six petrol engine with two tur­bo­chargers (bi­turbo)
BMW B47
Engine Series
B47-D20
Engine Code
N54-K20
4
Valves
4
4
Cylinders
6
1995 CC
Engine Capacity
2979 CC
187 bhp
at 4000 rpm
Power
355 bhp
at 5500 rpm
BMW 420d Cabrio
187 bhp
355 bhp
ALPINA B3 Bi-Turbo Cabriolet
400 NM
at 1750 rpm
Max. Torque
500 NM
at 3800 rpm
BMW 420d Cabrio
400 NM
500 NM
ALPINA B3 Bi-Turbo Cabriolet

Performance

BMW 420d Cabrio
ALPINA B3 Bi-Turbo Cabriolet
142 mph
Maximum Speed
174 mph
8.1 sec
Acceleration 0 to 62 mph
5 sec
62 mph 62
mph

113 m
0.000 sec

BMW 420d Cabrio

62 mph 62
mph

69 m
0.000 sec

ALPINA B3 Bi-Turbo Cabriolet

▶ REPLAY
9.84 kg/bhp
Weight-to-Power Ratio
5.2 kg/bhp
BMW 420d Cabrio
9.84 kg/bhp
5.2 kg/bhp
ALPINA B3 Bi-Turbo Cabriolet

Fuel Economy / Emissions

BMW 420d Cabrio
ALPINA B3 Bi-Turbo Cabriolet
Fuel Economy
59 mpg
combined
29 mpg
BMW 420d Cabrio
59 mpg
29 mpg
ALPINA B3 Bi-Turbo Cabriolet
52 mpg
city
20 mpg
No data
motorway
No data
Kraftstoffanzeige
57 L
Fuel Tank Capacity
63 L
Kraftstoffanzeige
738 mi
Range
403 mi
BMW 420d Cabrio
738 mi
403 mi
ALPINA B3 Bi-Turbo Cabriolet
Environmental Impact
98.8 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).
183.8 kWh
BMW 420d Cabrio
98.8 kWh
183.8 kWh
ALPINA B3 Bi-Turbo Cabriolet
Euro 6d-TEMP-EVAP-ISC (WLTP)
Emission Standard
Euro 4
156 g/km (WLTP)
CO2 Emissions
237 g/km (NEFZ)

Practical Convenience

BMW 420d Cabrio
ALPINA B3 Bi-Turbo Cabriolet
2
Doors
2
4
No. of Seats
4
390 kg
Maximum Payload
355 kg
370 L
Boot Capacity
350 L
No data
Boot Capacity (Seats Down)
No data