The Comparative Analysis :

ALPINA B3 Bi-Turbo Convertible Switch-Tronic (07 - 10) vs. BMW M4 Convertible (18 - 19)

€ 67,800
ALPINA B3 Bi-Turbo Convertible Switch-Tronic (07 - 10) ALPINA B3 Bi-Turbo Convertible
€ 85,700
 BMW M4 Convertible (18 - 19) BMW M4 Cabrio
€ 67,800
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 85,700

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

Vehicle Dimensions

The ALPINA B3 Bi-Turbo Convertible is slightly smaller in every dimension. It's 3.6 inches shorter, 3.5 inches narrower and 0 inches lower than the BMW M4 Cabrio.
ALPINA B3 Bi-Turbo Convertible
BMW M4 Cabrio
54.5
Blueprint ALPINA B3 Bi-Turbo Convertible Switch-Tronic (07 - 10)
70.2
78
54.6
Blueprint BMW M4 Convertible (18 - 19)
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
Blueprint ALPINA B3 Bi-Turbo Convertible Switch-Tronic (07 - 10)
108.7
180.3
Blueprint BMW M4 Convertible (18 - 19)
110.7
183.9
180.3 in
Length
183.9 in
108.7 in
Wheelbase
110.7 in

Vehicle Weight

ALPINA B3 Bi-Turbo Convertible
BMW M4 Cabrio
4068 lb
Curb Weight
4112 lb
4850 lb
Gross Vehicle
Weight
4960 lb
ALPINA B3 Bi-Turbo Convertible Switch-Tronic (07 - 10)
Weight Difference:
44 lb
1.07 %
BMW M4 Convertible (18 - 19)

General

ALPINA B3 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
6-speed manual transmission

Engine

ALPINA B3 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-K20
Engine Code
S55-B30
4
Valves
4
6
Cylinders
6
3 L / 147 cu in
Displacement
3 L / 147 cu in
355 hp
at 5500 rpm
Power
425 hp
at 5550 rpm
ALPINA B3 Bi-Turbo Convertible
355 hp
425 hp
BMW M4 Cabrio
369 lb‑ft
at 3800 rpm
Max. Torque
406 lb‑ft
at 2350 rpm
ALPINA B3 Bi-Turbo Convertible
369 lb‑ft
406 lb‑ft
BMW M4 Cabrio

Performance

ALPINA B3 Bi-Turbo Convertible
BMW M4 Cabrio
174 mph
Maximum Speed
155 mph
5 sec
Acceleration 0 to 62 mph
4.6 sec
62 mph 62
mph

226 ft
0.000 sec

ALPINA B3 Bi-Turbo Convertible

62 mph 62
mph

210 ft
0.000 sec

BMW M4 Cabrio

▶ REPLAY
11.46 lb/hp
Weight-to-Power Ratio
9.68 lb/hp
ALPINA B3 Bi-Turbo Convertible
11.46 lb/hp
9.68 lb/hp
BMW M4 Cabrio

Fuel Economy / Emissions

ALPINA B3 Bi-Turbo Convertible
BMW M4 Cabrio
Fuel Economy
24 mpg
combined
23 mpg
ALPINA B3 Bi-Turbo Convertible
24 mpg
23 mpg
BMW M4 Cabrio
17 mpg
city
18 mpg
No data
highway
No data
Kraftstoffanzeige
16.6 gal
Fuel Tank Capacity
15.9 gal
Kraftstoffanzeige
403 mi
Range
369 mi
ALPINA B3 Bi-Turbo Convertible
403 mi
369 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).
191.4 kWh
ALPINA B3 Bi-Turbo Convertible
183.8 kWh
191.4 kWh
BMW M4 Cabrio
Euro 4
Emission Standard
Euro 6d-TEMP-EVAP (WLTP)
381 g/mi (NEFZ)
CO2 Emissions
385 g/mi (WLTP)

Practical Convenience

ALPINA B3 Bi-Turbo Convertible
BMW M4 Cabrio
2
Doors
2
4
No. of Seats
4
783 lb
Maximum Payload
849 lb
9.9 cu ft
Trunk Volume
10.5 cu ft
No data
Cargo Volume (Seats Down)
No data