The Comparative Analysis :

BMW 428i Cabrio xDrive Steptronic (14 - 15) vs. ALPINA B3 S Bi-Turbo Cabriolet Switch-Tronic (10 - 13)

€ 52,900
BMW 428i Cabrio xDrive Steptronic (14 - 15) BMW 428i Cabrio
€ 70,600
 ALPINA B3 S Bi-Turbo Cabriolet Switch-Tronic (10 - 13) ALPINA B3 S Bi-Turbo Cabriolet
€ 52,900
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 70,600

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

Vehicle Dimensions

The BMW 428i Cabrio is a little bigger in every dimension. It's 1.5 cm longer, 4.3 cm wider and 1.4 cm taller than the ALPINA B3 S Bi-Turbo Cabriolet.
BMW 428i Cabrio
ALPINA B3 S Bi-Turbo Cabriolet
1399
Blueprint BMW 428i Cabrio xDrive Steptronic (14 - 15)
1825
2017
1385
Blueprint ALPINA B3 S Bi-Turbo Cabriolet Switch-Tronic (10 - 13)
1782
1982
1825 mm
Width
1782 mm
2017 mm
Width Incl. Mirrors
1982 mm
1399 mm
Height
1385 mm
Blueprint BMW 428i Cabrio xDrive Steptronic (14 - 15)
2810
4638
Blueprint ALPINA B3 S Bi-Turbo Cabriolet Switch-Tronic (10 - 13)
2760
4623
4638 mm
Length
4623 mm
2810 mm
Wheelbase
2760 mm

Vehicle Weight

BMW 428i Cabrio
ALPINA B3 S Bi-Turbo Cabriolet
1845 kg
Kerb Weight
1845 kg
2220 kg
Gross Vehicle
Weight
2180 kg
BMW 428i Cabrio xDrive Steptronic (14 - 15)
Weight Difference:
0 kg
0 %
ALPINA B3 S Bi-Turbo Cabriolet Switch-Tronic (10 - 13)

General

BMW 428i Cabrio
ALPINA B3 S Bi-Turbo Cabriolet
F33
Generation
E93
Convertible
Car Body Style
Convertible
Super Unleaded (98 RON)
Fuel Type
Super Unleaded (98 RON)
Permanent all-wheel drive
Drive
Rear-wheel drive
8-speed automatic transmission
Transmission
6-speed automatic transmission

Engine

BMW 428i Cabrio
ALPINA B3 S Bi-Turbo Cabriolet
Straight-four petrol engine with tur­bo­charger
Engine Type
Straight-six petrol engine with two tur­bo­chargers (bi­turbo)
BMW N20
Engine Series
N20-B20
Engine Code
N54-K30
4
Valves
4
4
Cylinders
6
1997 CC
Engine Capacity
2979 CC
242 bhp
at 5000 rpm
Power
395 bhp
at 6000 rpm
BMW 428i Cabrio
242 bhp
395 bhp
ALPINA B3 S Bi-Turbo Cabriolet
350 NM
at 1250 rpm
Max. Torque
540 NM
at 4500 rpm
BMW 428i Cabrio
350 NM
540 NM
ALPINA B3 S Bi-Turbo Cabriolet

Performance

BMW 428i Cabrio
ALPINA B3 S Bi-Turbo Cabriolet
155 mph
Maximum Speed
185 mph
6.5 sec
Acceleration 0 to 62 mph
4.9 sec
62 mph 62
mph

90 m
0.000 sec

BMW 428i Cabrio

62 mph 62
mph

68 m
0.000 sec

ALPINA B3 S Bi-Turbo Cabriolet

▶ REPLAY
7.62 kg/bhp
Weight-to-Power Ratio
4.67 kg/bhp
BMW 428i Cabrio
7.62 kg/bhp
4.67 kg/bhp
ALPINA B3 S Bi-Turbo Cabriolet

Fuel Economy / Emissions

BMW 428i Cabrio
ALPINA B3 S Bi-Turbo Cabriolet
Fuel Economy
40 mpg
combined
29 mpg
BMW 428i Cabrio
40 mpg
29 mpg
ALPINA B3 S Bi-Turbo Cabriolet
31 mpg
city
20 mpg
No data
motorway
No data
Kraftstoffanzeige
60 L
Fuel Tank Capacity
63 L
Kraftstoffanzeige
533 mi
Range
403 mi
BMW 428i Cabrio
533 mi
403 mi
ALPINA B3 S Bi-Turbo Cabriolet
Environmental Impact
132.6 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 428i Cabrio
132.6 kWh
183.8 kWh
ALPINA B3 S Bi-Turbo Cabriolet
Euro 6b (NEFZ)
Emission Standard
Euro 5
163 g/km (NEFZ)
CO2 Emissions
225 g/km (NEFZ)

Practical Convenience

BMW 428i Cabrio
ALPINA B3 S Bi-Turbo Cabriolet
2
Doors
2
4
No. of Seats
4
375 kg
Maximum Payload
335 kg
370 L
Boot Capacity
350 L
No data
Boot Capacity (Seats Down)
No data