The Comparative Analysis :
ALPINA B4 S Bi-Turbo Convertible Edition 99 Switch-Tronic (18 - 19) vs. Infiniti G 37 Convertible (09 - 11)
€ 96,100
€ 50,800
€ 96,100
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 50,800
ⓘ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 0.8 inches shorter, 1.1 inches narrower and 0.8 inches lower than the Infiniti G Convertible 37.
ALPINA B4 S Bi-Turbo Cabrio
Infiniti G Convertible 37
54.3
71.9
79.7
55.1
72.9
80.8
71.9 in
Width
72.9 in
79.7 in
Width Incl. Mirrors
80.8 in
54.3 in
Height
55.1 in
110.6
182.7
112.2
183.5
182.7 in
Length
183.5 in
110.6 in
Wheelbase
112.2 in
Vehicle Weight
ALPINA B4 S Bi-Turbo Cabrio
Infiniti G Convertible 37
4222 lb
Curb Weight
4162 lb
5071 lb
Gross Vehicle
Weight
Weight
4674 lb
Weight Difference:
60 lb
1.42 %
General
ALPINA B4 S Bi-Turbo Cabrio
Infiniti G Convertible 37
F33
Generation
CV36
Convertible
Car Body Style
Convertible
Premium Unleaded
Fuel Type
Mid-Grade Unleaded
Rear-wheel drive
Drivetrain
Rear-wheel drive
8-speed automatic transmission
Transmission
6-speed manual transmission
Engine
ALPINA B4 S Bi-Turbo Cabrio
Infiniti G Convertible 37
Straight-six gasoline engine with two turbochargers (biturbo)
Engine Type
V6 gasoline engine (naturally aspirated engine)
N55-B30
Engine Code
4
Valves
4
6
Cylinders
6
3 L / 147 cu in
Displacement
3.7 L / 181 cu in
446 hp
at 5500 rpm
Power
316 hp
at 7000 rpm
ALPINA B4 S Bi-Turbo Cabrio
446 hp
316 hp
Infiniti G Convertible 37
502 lb‑ft
at 3000 rpm
Max. Torque
266 lb‑ft
at 5200 rpm
ALPINA B4 S Bi-Turbo Cabrio
502 lb‑ft
266 lb‑ft
Infiniti G Convertible 37
Performance
ALPINA B4 S Bi-Turbo Cabrio
Infiniti G Convertible 37
189 mph
Maximum Speed
155 mph
4.3 sec
Acceleration 0 to 62 mph
6.2 sec
62 mph
62
mph
mph
197 ft
0.000 sec
ALPINA B4 S Bi-Turbo Cabrio
62 mph
62
mph
mph
282 ft
0.000 sec
Infiniti G Convertible 37
▶ REPLAY
9.47 lb/hp
Weight-to-Power Ratio
13.17 lb/hp
ALPINA B4 S Bi-Turbo Cabrio
9.47 lb/hp
13.17 lb/hp
Infiniti G Convertible 37
Fuel Economy / Emissions
ALPINA B4 S Bi-Turbo Cabrio
Infiniti G Convertible 37
Fuel Economy
26 mpg
combined
20 mpg
ALPINA B4 S Bi-Turbo Cabrio
26 mpg
20 mpg
Infiniti G Convertible 37
19 mpg
city
14 mpg
No data
highway
26 mpg
15.9 gal
Fuel Tank Capacity
21.1 gal
409 mi
Range
418 mi
ALPINA B4 S Bi-Turbo Cabrio
409 mi
418 mi
Infiniti G Convertible 37
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).
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).
225.5 kWh
ALPINA B4 S Bi-Turbo Cabrio
172.4 kWh
225.5 kWh
Infiniti G Convertible 37
Euro 6d-TEMP-EVAP (WLTP)
Emission Standard
Euro 5
333 g/mi (NEFZ)
CO2 Emissions
443 g/mi (NEFZ)
Practical Convenience
ALPINA B4 S Bi-Turbo Cabrio
Infiniti G Convertible 37
2
Doors
2
4
No. of Seats
4
849 lb
Maximum Payload
511 lb
10.5 cu ft
Trunk Volume
10.4 cu ft
No data
Cargo Volume (Seats Down)
No data
