The Comparative Analysis :
ALPINA B4 S Bi-Turbo Convertible Switch-Tronic (18 - 19) vs. Audi RS5 Convertible S tronic (13 - 15)
€ 81,400

€ 89,900

€ 81,400
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 89,900
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
Тhere is barely any difference in dimensions between the two vehicles. Both cars are the same height, but the ALPINA B4 S Bi-Turbo Cabrio is 0.4 inches shorter and 1.4 inches narrower.
ALPINA B4 S Bi-Turbo Cabrio
Audi RS5 Convertible
54.3
71.9
79.7
54.3
73.2
79.5
71.9 in
Width
73.2 in
79.7 in
Width Incl. Mirrors
79.5 in
54.3 in
Height
54.3 in
110.6
182.7
108.3
183
182.7 in
Length
183 in
110.6 in
Wheelbase
108.3 in
Vehicle Weight
ALPINA B4 S Bi-Turbo Cabrio
Audi RS5 Convertible
4222 lb
Curb Weight
4398 lb
5071 lb
Gross Vehicle
Weight
Weight
5335 lb

Weight Difference:
176 lb
4 %

General
ALPINA B4 S Bi-Turbo Cabrio
Audi RS5 Convertible
F33
Generation
8F
Convertible
Car Body Style
Convertible
Premium Unleaded
Fuel Type
Premium Unleaded

Rear-wheel drive
Drivetrain
Permanent all-wheel drive (AWD)

8-speed automatic transmission
Transmission
7-speed dual clutch transmission
Engine
ALPINA B4 S Bi-Turbo Cabrio
Audi RS5 Convertible
Straight-six gasoline engine with two turbochargers (biturbo)
Engine Type
V8 gasoline engine (naturally aspirated engine)
N55-B30
Engine Code
CFSA
4
Valves
4
6
Cylinders
8
3 L / 147 cu in
Displacement
4.2 L / 206 cu in
434 hp
at 5500 rpm
Power
444 hp
at 8250 rpm
ALPINA B4 S Bi-Turbo Cabrio
434 hp
444 hp
Audi RS5 Convertible
487 lb‑ft
at 3000 rpm
Max. Torque
317 lb‑ft
at 4000 rpm
ALPINA B4 S Bi-Turbo Cabrio
487 lb‑ft
317 lb‑ft
Audi RS5 Convertible
Performance
ALPINA B4 S Bi-Turbo Cabrio
Audi RS5 Convertible
189 mph
Maximum Speed
155 mph
4.3 sec
Acceleration 0 to 62 mph
4.9 sec
62 mph
62
mph
mph
197 ft
0.000 sec

ALPINA B4 S Bi-Turbo Cabrio
62 mph
62
mph
mph
223 ft
0.000 sec

Audi RS5 Convertible
▶ REPLAY
9.73 lb/hp
Weight-to-Power Ratio
9.91 lb/hp
ALPINA B4 S Bi-Turbo Cabrio
9.73 lb/hp
9.91 lb/hp
Audi RS5 Convertible
Fuel Economy / Emissions
ALPINA B4 S Bi-Turbo Cabrio
Audi RS5 Convertible
Fuel Economy
26 mpg
combined
22 mpg
ALPINA B4 S Bi-Turbo Cabrio
26 mpg
22 mpg
Audi RS5 Convertible
19 mpg
city
16 mpg
No data
highway
No data
15.9 gal
Fuel Tank Capacity
16.1 gal
409 mi
Range
354 mi
ALPINA B4 S Bi-Turbo Cabrio
409 mi
354 mi
Audi RS5 Convertible
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).
202.8 kWh
ALPINA B4 S Bi-Turbo Cabrio
172.4 kWh
202.8 kWh
Audi RS5 Convertible
Euro 6d-TEMP (WLTP)
Emission Standard
Euro 5
333 g/mi (NEFZ)
CO2 Emissions
401 g/mi (NEFZ)
Practical Convenience
ALPINA B4 S Bi-Turbo Cabrio
Audi RS5 Convertible
2
Doors
2
4
No. of Seats
4
849 lb
Maximum Payload
937 lb
10.5 cu ft
Trunk Volume
9.1 cu ft








No data
Cargo Volume (Seats Down)
No data