The Comparative Analysis :

ALPINA B4 S Bi-Turbo Convertible Switch-Tronic (17 - 18) vs. BMW M4 Convertible M DKG (14 - 17)

€ 81,400
ALPINA B4 S Bi-Turbo Convertible Switch-Tronic (17 - 18) ALPINA B4 S Bi-Turbo Cabrio
€ 83,600
 BMW M4 Convertible M DKG (14 - 17) BMW M4 Cabrio
€ 81,400
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 83,600

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

Vehicle Dimensions

The ALPINA B4 S Bi-Turbo Cabrio is a little smaller in every dimension. It's 1.2 inches shorter, 1.8 inches narrower and 0.2 inches lower than the BMW M4 Cabrio.
ALPINA B4 S Bi-Turbo Cabrio
BMW M4 Cabrio
54.3
Blueprint ALPINA B4 S Bi-Turbo Convertible Switch-Tronic (17 - 18)
71.9
79.7
54.6
Blueprint BMW M4 Convertible M DKG (14 - 17)
73.6
79.3
71.9 in
Width
73.6 in
79.7 in
Width Incl. Mirrors
79.3 in
54.3 in
Height
54.6 in
Blueprint ALPINA B4 S Bi-Turbo Convertible Switch-Tronic (17 - 18)
110.6
182.7
Blueprint BMW M4 Convertible M DKG (14 - 17)
110.7
183.9
182.7 in
Length
183.9 in
110.6 in
Wheelbase
110.7 in

Vehicle Weight

ALPINA B4 S Bi-Turbo Cabrio
BMW M4 Cabrio
4222 lb
Curb Weight
4112 lb
5071 lb
Gross Vehicle
Weight
4960 lb
ALPINA B4 S Bi-Turbo Convertible Switch-Tronic (17 - 18)
Weight Difference:
110 lb
2.61 %
BMW M4 Convertible M DKG (14 - 17)

General

ALPINA B4 S Bi-Turbo Cabrio
BMW M4 Cabrio
F33
Generation
F83
Convertible
Car Body Style
Convertible
Premium Unleaded
Fuel Type
Premium Unleaded
Rear-wheel drive
Drivetrain
Rear-wheel drive
8-speed automatic transmission
Transmission
7-speed dual clutch transmission

Engine

ALPINA B4 S Bi-Turbo Cabrio
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
N55-B30
Engine Code
S55-B30
4
Valves
4
6
Cylinders
6
3 L / 147 cu in
Displacement
3 L / 147 cu in
434 hp
at 5500 rpm
Power
425 hp
at 5500 rpm
ALPINA B4 S Bi-Turbo Cabrio
434 hp
425 hp
BMW M4 Cabrio
487 lb‑ft
at 3000 rpm
Max. Torque
406 lb‑ft
at 1850 rpm
ALPINA B4 S Bi-Turbo Cabrio
487 lb‑ft
406 lb‑ft
BMW M4 Cabrio

Performance

ALPINA B4 S Bi-Turbo Cabrio
BMW M4 Cabrio
189 mph
Maximum Speed
155 mph
4.3 sec
Acceleration 0 to 62 mph
4.4 sec
62 mph 62
mph

197 ft
0.000 sec

ALPINA B4 S Bi-Turbo Cabrio

62 mph 62
mph

200 ft
0.000 sec

BMW M4 Cabrio

▶ REPLAY
9.73 lb/hp
Weight-to-Power Ratio
9.68 lb/hp
ALPINA B4 S Bi-Turbo Cabrio
9.73 lb/hp
9.68 lb/hp
BMW M4 Cabrio

Fuel Economy / Emissions

ALPINA B4 S Bi-Turbo Cabrio
BMW M4 Cabrio
Fuel Economy
28 mpg
combined
27 mpg
ALPINA B4 S Bi-Turbo Cabrio
28 mpg
27 mpg
BMW M4 Cabrio
21 mpg
city
20 mpg
No data
highway
No data
Kraftstoffanzeige
15.9 gal
Fuel Tank Capacity
15.9 gal
Kraftstoffanzeige
449 mi
Range
429 mi
ALPINA B4 S Bi-Turbo Cabrio
449 mi
429 mi
BMW M4 Cabrio
Environmental Impact
157.2 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 B4 S Bi-Turbo Cabrio
157.2 kWh
164.8 kWh
BMW M4 Cabrio
Euro 6c (NEFZ)
Emission Standard
Euro 6b (NEFZ)
306 g/mi (NEFZ)
CO2 Emissions
327 g/mi (NEFZ)

Practical Convenience

ALPINA B4 S Bi-Turbo Cabrio
BMW M4 Cabrio
2
Doors
2
4
No. of Seats
4
849 lb
Maximum Payload
849 lb
10.5 cu ft
Trunk Volume
10.5 cu ft
No data
Cargo Volume (Seats Down)
No data