The Comparative Analysis :

BMW M4 Convertible (14 - 17) vs. ALPINA B4 S Bi-Turbo Convertible Switch-Tronic (18 - 19)

€ 79,700
BMW M4 Convertible (14 - 17) BMW M4 Cabrio
€ 81,400
 ALPINA B4 S Bi-Turbo Convertible Switch-Tronic (18 - 19) ALPINA B4 S Bi-Turbo Cabrio
€ 79,700
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 81,400

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

Vehicle Dimensions

The BMW M4 Cabrio is a little bigger in every dimension. It's 1.2 inches longer, 1.8 inches wider and 0.2 inches taller than the ALPINA B4 S Bi-Turbo Cabrio.
BMW M4 Cabrio
ALPINA B4 S Bi-Turbo Cabrio
54.6
Blueprint BMW M4 Convertible (14 - 17)
73.6
79.3
54.3
Blueprint ALPINA B4 S Bi-Turbo Convertible Switch-Tronic (18 - 19)
71.9
79.7
73.6 in
Width
71.9 in
79.3 in
Width Incl. Mirrors
79.7 in
54.6 in
Height
54.3 in
Blueprint BMW M4 Convertible (14 - 17)
110.7
183.9
Blueprint ALPINA B4 S Bi-Turbo Convertible Switch-Tronic (18 - 19)
110.6
182.7
183.9 in
Length
182.7 in
110.7 in
Wheelbase
110.6 in

Vehicle Weight

BMW M4 Cabrio
ALPINA B4 S Bi-Turbo Cabrio
4023 lb
Curb Weight
4222 lb
4960 lb
Gross Vehicle
Weight
5071 lb
BMW M4 Convertible (14 - 17)
Weight Difference:
198 lb
4.69 %
ALPINA B4 S Bi-Turbo Convertible Switch-Tronic (18 - 19)

General

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

Engine

BMW M4 Cabrio
ALPINA B4 S Bi-Turbo Cabrio
Straight-six gasoline engine with two tur­bo­chargers (bi­turbo)
Engine Type
Straight-six gasoline engine with two tur­bo­chargers (bi­turbo)
BMW S55
Engine Series
S55-B30
Engine Code
N55-B30
4
Valves
4
6
Cylinders
6
3 L / 147 cu in
Displacement
3 L / 147 cu in
425 hp
at 5500 rpm
Power
434 hp
at 5500 rpm
BMW M4 Cabrio
425 hp
434 hp
ALPINA B4 S Bi-Turbo Cabrio
406 lb‑ft
at 1850 rpm
Max. Torque
487 lb‑ft
at 3000 rpm
BMW M4 Cabrio
406 lb‑ft
487 lb‑ft
ALPINA B4 S Bi-Turbo Cabrio

Performance

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

210 ft
0.000 sec

BMW M4 Cabrio

62 mph 62
mph

197 ft
0.000 sec

ALPINA B4 S Bi-Turbo Cabrio

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

Fuel Economy / Emissions

BMW M4 Cabrio
ALPINA B4 S Bi-Turbo Cabrio
Fuel Economy
26 mpg
combined
26 mpg
BMW M4 Cabrio
26 mpg
26 mpg
ALPINA B4 S Bi-Turbo Cabrio
19 mpg
city
19 mpg
No data
highway
No data
Kraftstoffanzeige
15.9 gal
Fuel Tank Capacity
15.9 gal
Kraftstoffanzeige
409 mi
Range
409 mi
BMW M4 Cabrio
409 mi
409 mi
ALPINA B4 S Bi-Turbo Cabrio
Environmental Impact
172.4 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).
172.4 kWh
BMW M4 Cabrio
172.4 kWh
172.4 kWh
ALPINA B4 S Bi-Turbo Cabrio
Euro 6b (NEFZ)
Emission Standard
Euro 6d-TEMP (WLTP)
343 g/mi (NEFZ)
CO2 Emissions
333 g/mi (NEFZ)

Practical Convenience

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