The Comparative Analysis :
ALPINA B4 Bi-Turbo Convertible Switch-Tronic (14 - 17) vs. Audi A5 Convertible 1.8 TFSI multitronic (09 - 11)
€ 75,900

€ 40,000

€ 75,900
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 40,000
ⓘ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. The ALPINA B4 Bi-Turbo Cabrio is just 0.6 inches longer, 1.1 inches narrower and 0.1 inches lower than the Audi A5 Convertible 1.8 TFSI.
ALPINA B4 Bi-Turbo Cabrio
Audi A5 Convertible 1.8 TFSI
54.3
71.9
79.7
54.4
73
79.5
71.9 in
Width
73 in
79.7 in
Width Incl. Mirrors
79.5 in
54.3 in
Height
54.4 in
110.6
182.7
108.3
182.1
182.7 in
Length
182.1 in
110.6 in
Wheelbase
108.3 in
Vehicle Weight
ALPINA B4 Bi-Turbo Cabrio
Audi A5 Convertible 1.8 TFSI
4222 lb
Curb Weight
3792 lb
5071 lb
Gross Vehicle
Weight
Weight
4729 lb

Weight Difference:
430 lb
10.19 %

General
ALPINA B4 Bi-Turbo Cabrio
Audi A5 Convertible 1.8 TFSI
F33
Generation
8F
Convertible
Car Body Style
Convertible
Premium Unleaded
Fuel Type
Mid-Grade Unleaded

Rear-wheel drive
Drivetrain
Front-wheel drive

8-speed automatic transmission
Transmission
Continuously variable transmission (CVT)
Engine
ALPINA B4 Bi-Turbo Cabrio
Audi A5 Convertible 1.8 TFSI
Straight-six gasoline engine with two turbochargers (biturbo)
Engine Type
Straight-four gasoline engine with turbocharger
N55-R20
Engine Code
CDHB
4
Valves
4
6
Cylinders
4
3 L / 147 cu in
Displacement
1.8 L / 88 cu in
404 hp
at 5500 rpm
Power
158 hp
at 4500 rpm
ALPINA B4 Bi-Turbo Cabrio
404 hp
158 hp
Audi A5 Convertible 1.8 TFSI
443 lb‑ft
at 3000 rpm
Max. Torque
184 lb‑ft
at 1500 rpm
ALPINA B4 Bi-Turbo Cabrio
443 lb‑ft
184 lb‑ft
Audi A5 Convertible 1.8 TFSI
Performance
ALPINA B4 Bi-Turbo Cabrio
Audi A5 Convertible 1.8 TFSI
187 mph
Maximum Speed
130 mph
4.5 sec
Acceleration 0 to 62 mph
9.5 sec
62 mph
62
mph
mph
207 ft
0.000 sec

ALPINA B4 Bi-Turbo Cabrio
62 mph
62
mph
mph
433 ft
0.000 sec

Audi A5 Convertible 1.8 TFSI
▶ REPLAY
10.45 lb/hp
Weight-to-Power Ratio
24 lb/hp
ALPINA B4 Bi-Turbo Cabrio
10.45 lb/hp
24 lb/hp
Audi A5 Convertible 1.8 TFSI
Fuel Economy / Emissions
ALPINA B4 Bi-Turbo Cabrio
Audi A5 Convertible 1.8 TFSI
Fuel Economy
29 mpg
combined
31 mpg
ALPINA B4 Bi-Turbo Cabrio
29 mpg
31 mpg
Audi A5 Convertible 1.8 TFSI
22 mpg
city
25 mpg
No data
highway
No data
15.9 gal
Fuel Tank Capacity
17.2 gal
466 mi
Range
539 mi
ALPINA B4 Bi-Turbo Cabrio
466 mi
539 mi
Audi A5 Convertible 1.8 TFSI
Environmental Impact
151.6 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).
142.1 kWh
ALPINA B4 Bi-Turbo Cabrio
151.6 kWh
142.1 kWh
Audi A5 Convertible 1.8 TFSI
Euro 6b (NEFZ)
Emission Standard
Euro 5
299 g/mi (NEFZ)
CO2 Emissions
280 g/mi (NEFZ)
Practical Convenience
ALPINA B4 Bi-Turbo Cabrio
Audi A5 Convertible 1.8 TFSI
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