The Comparative Analysis :

ALPINA B3 Bi-Turbo Convertible Switch-Tronic (07 - 10) vs. BMW M4 Convertible Competition M DKG (17 - 18)

€ 67,800
ALPINA B3 Bi-Turbo Convertible Switch-Tronic (07 - 10) ALPINA B3 Bi-Turbo Convertible
€ 95,800
 BMW M4 Convertible Competition M DKG (17 - 18) BMW M4 Convertible Competition Package
€ 67,800
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 95,800

ⓘ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 0.3 inches lower than the BMW M4 Convertible Competition Package.
ALPINA B3 Bi-Turbo Convertible
BMW M4 Convertible Competition Package
54.5
Blueprint ALPINA B3 Bi-Turbo Convertible Switch-Tronic (07 - 10)
70.2
78
54.8
Blueprint BMW M4 Convertible Competition M DKG (17 - 18)
73.6
79.3
70.2 in
Width
73.6 in
78 in
Width Incl. Mirrors
79.3 in
54.5 in
Height
54.8 in
Blueprint ALPINA B3 Bi-Turbo Convertible Switch-Tronic (07 - 10)
108.7
180.3
Blueprint BMW M4 Convertible Competition M DKG (17 - 18)
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 Convertible Competition Package
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 Competition M DKG (17 - 18)

General

ALPINA B3 Bi-Turbo Convertible
BMW M4 Convertible Competition Package
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 Bi-Turbo Convertible
BMW M4 Convertible Competition Package
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
444 hp
at 7000 rpm
ALPINA B3 Bi-Turbo Convertible
355 hp
444 hp
BMW M4 Convertible Competition Package
369 lb‑ft
at 3800 rpm
Max. Torque
406 lb‑ft
at 1850 rpm
ALPINA B3 Bi-Turbo Convertible
369 lb‑ft
406 lb‑ft
BMW M4 Convertible Competition Package

Performance

ALPINA B3 Bi-Turbo Convertible
BMW M4 Convertible Competition Package
174 mph
Maximum Speed
155 mph
5 sec
Acceleration 0 to 62 mph
4.3 sec
62 mph 62
mph

226 ft
0.000 sec

ALPINA B3 Bi-Turbo Convertible

62 mph 62
mph

197 ft
0.000 sec

BMW M4 Convertible Competition Package

▶ REPLAY
11.46 lb/hp
Weight-to-Power Ratio
9.26 lb/hp
ALPINA B3 Bi-Turbo Convertible
11.46 lb/hp
9.26 lb/hp
BMW M4 Convertible Competition Package

Fuel Economy / Emissions

ALPINA B3 Bi-Turbo Convertible
BMW M4 Convertible Competition Package
Fuel Economy
24 mpg
combined
27 mpg
ALPINA B3 Bi-Turbo Convertible
24 mpg
27 mpg
BMW M4 Convertible Competition Package
17 mpg
city
20 mpg
No data
highway
No data
Kraftstoffanzeige
16.6 gal
Fuel Tank Capacity
15.9 gal
Kraftstoffanzeige
403 mi
Range
429 mi
ALPINA B3 Bi-Turbo Convertible
403 mi
429 mi
BMW M4 Convertible Competition Package
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).
164.8 kWh
ALPINA B3 Bi-Turbo Convertible
183.8 kWh
164.8 kWh
BMW M4 Convertible Competition Package
Euro 4
Emission Standard
Euro 6b (NEFZ)
381 g/mi (NEFZ)
CO2 Emissions
327 g/mi (NEFZ)

Practical Convenience

ALPINA B3 Bi-Turbo Convertible
BMW M4 Convertible Competition Package
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