The Comparative Analysis :
ALPINA B3 S Bi-Turbo Convertible Switch-Tronic (10 - 13) vs. BMW M4 Convertible M DKG (18 - 19)
€ 70,600

€ 89,600

€ 70,600
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 89,600
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The ALPINA B3 S Bi-Turbo Convertible is slightly smaller in every dimension. It's 1.9 inches shorter, 3.5 inches narrower and 0 inches lower than the BMW M4 Cabrio.
ALPINA B3 S Bi-Turbo Convertible
BMW M4 Cabrio
54.5
70.2
78
54.6
73.6
79.3
70.2 in
Width
73.6 in
78 in
Width Incl. Mirrors
79.3 in
54.5 in
Height
54.6 in
108.7
182
110.7
183.9
182 in
Length
183.9 in
108.7 in
Wheelbase
110.7 in
Vehicle Weight
ALPINA B3 S Bi-Turbo Convertible
BMW M4 Cabrio
4068 lb
Curb Weight
4167 lb
4806 lb
Gross Vehicle
Weight
Weight
4960 lb

Weight Difference:
99 lb
2.38 %

General
ALPINA B3 S Bi-Turbo Convertible
BMW M4 Cabrio
E93
Generation
F83
Convertible
Car Body Style
Convertible
Premium Unleaded
Fuel Type
Premium Unleaded

Rear-wheel drive
Drivetrain
Rear-wheel drive

6-speed automatic transmission
Transmission
7-speed dual clutch transmission
Engine
ALPINA B3 S Bi-Turbo Convertible
BMW M4 Cabrio
Straight-six gasoline engine with two turbochargers (biturbo)
Engine Type
Straight-six gasoline engine with two turbochargers (biturbo)
Engine Series
BMW S55
N54-K30
Engine Code
S55-B30
4
Valves
4
6
Cylinders
6
3 L / 147 cu in
Displacement
3 L / 147 cu in
395 hp
at 6000 rpm
Power
425 hp
at 5550 rpm
ALPINA B3 S Bi-Turbo Convertible
395 hp
425 hp
BMW M4 Cabrio
398 lb‑ft
at 4500 rpm
Max. Torque
406 lb‑ft
at 2350 rpm
ALPINA B3 S Bi-Turbo Convertible
398 lb‑ft
406 lb‑ft
BMW M4 Cabrio
Performance
ALPINA B3 S Bi-Turbo Convertible
BMW M4 Cabrio
185 mph
Maximum Speed
155 mph
4.9 sec
Acceleration 0 to 62 mph
4.4 sec
62 mph
62
mph
mph
223 ft
0.000 sec

ALPINA B3 S Bi-Turbo Convertible
62 mph
62
mph
mph
200 ft
0.000 sec

BMW M4 Cabrio
▶ REPLAY
10.3 lb/hp
Weight-to-Power Ratio
9.8 lb/hp
ALPINA B3 S Bi-Turbo Convertible
10.3 lb/hp
9.8 lb/hp
BMW M4 Cabrio
Fuel Economy / Emissions
ALPINA B3 S Bi-Turbo Convertible
BMW M4 Cabrio
Fuel Economy
24 mpg
combined
25 mpg
ALPINA B3 S Bi-Turbo Convertible
24 mpg
25 mpg
BMW M4 Cabrio
17 mpg
city
20 mpg
No data
highway
No data
16.6 gal
Fuel Tank Capacity
15.9 gal
403 mi
Range
393 mi
ALPINA B3 S Bi-Turbo Convertible
403 mi
393 mi
BMW M4 Cabrio
Environmental Impact
183.8 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).
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).
179.9 kWh
ALPINA B3 S Bi-Turbo Convertible
183.8 kWh
179.9 kWh
BMW M4 Cabrio
Euro 5
Emission Standard
Euro 6d-TEMP-EVAP (WLTP)
362 g/mi (NEFZ)
CO2 Emissions
373 g/mi (WLTP)
Practical Convenience
ALPINA B3 S Bi-Turbo Convertible
BMW M4 Cabrio
2
Doors
2
4
No. of Seats
4
739 lb
Maximum Payload
794 lb
9.9 cu ft
Trunk Volume
10.5 cu ft









No data
Cargo Volume (Seats Down)
No data