The Comparative Analysis :
ALPINA B4 S Bi-Turbo Convertible Switch-Tronic (18 - 19) vs. Audi A5 Convertible 40 TDI S tronic (20 - ..)
€ 81,400

€ 53,200

€ 81,400
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 53,200
ⓘ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 2.2 inches shorter, 0.8 inches narrower and 0.2 inches lower than the Audi A5 Convertible 40 TDI.
ALPINA B4 S Bi-Turbo Cabrio
Audi A5 Convertible 40 TDI
54.3
71.9
79.7
54.5
72.7
79.9
71.9 in
Width
72.7 in
79.7 in
Width Incl. Mirrors
79.9 in
54.3 in
Height
54.5 in
110.6
182.7
108.8
184.9
182.7 in
Length
184.9 in
110.6 in
Wheelbase
108.8 in
Vehicle Weight
ALPINA B4 S Bi-Turbo Cabrio
Audi A5 Convertible 40 TDI
4222 lb
Curb Weight
3891 lb
5071 lb
Gross Vehicle
Weight
Weight
4883 lb

Weight Difference:
331 lb
7.84 %

General
ALPINA B4 S Bi-Turbo Cabrio
Audi A5 Convertible 40 TDI
F33
Generation
F5
Convertible
Car Body Style
Convertible
Premium Unleaded
Fuel Type
Diesel

Rear-wheel drive
Drivetrain
Front-wheel drive

8-speed automatic transmission
Transmission
7-speed dual clutch transmission
Engine
ALPINA B4 S Bi-Turbo Cabrio
Audi A5 Convertible 40 TDI
Straight-six gasoline engine with two turbochargers (biturbo)
Engine Type
Straight-four diesel engine with turbocharger
N55-B30
Engine Code
4
Valves
4
6
Cylinders
4
3 L / 147 cu in
Displacement
2 L / 98 cu in
434 hp
at 5500 rpm
Power
187 hp
at 3800 rpm
ALPINA B4 S Bi-Turbo Cabrio
434 hp
187 hp
Audi A5 Convertible 40 TDI
487 lb‑ft
at 3000 rpm
Max. Torque
295 lb‑ft
at 1750 rpm
ALPINA B4 S Bi-Turbo Cabrio
487 lb‑ft
295 lb‑ft
Audi A5 Convertible 40 TDI
Performance
ALPINA B4 S Bi-Turbo Cabrio
Audi A5 Convertible 40 TDI
189 mph
Maximum Speed
150 mph
4.3 sec
Acceleration 0 to 62 mph
8.4 sec
62 mph
62
mph
mph
197 ft
0.000 sec

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

Audi A5 Convertible 40 TDI
▶ REPLAY
9.73 lb/hp
Weight-to-Power Ratio
20.81 lb/hp
ALPINA B4 S Bi-Turbo Cabrio
9.73 lb/hp
20.81 lb/hp
Audi A5 Convertible 40 TDI
Fuel Economy / Emissions
ALPINA B4 S Bi-Turbo Cabrio
Audi A5 Convertible 40 TDI
Fuel Economy
26 mpg
combined
49 mpg
ALPINA B4 S Bi-Turbo Cabrio
26 mpg
49 mpg
Audi A5 Convertible 40 TDI
19 mpg
city
44 mpg
No data
highway
No data
15.9 gal
Fuel Tank Capacity
10.6 gal
409 mi
Range
518 mi
ALPINA B4 S Bi-Turbo Cabrio
409 mi
518 mi
Audi A5 Convertible 40 TDI
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).
98.8 kWh
ALPINA B4 S Bi-Turbo Cabrio
172.4 kWh
98.8 kWh
Audi A5 Convertible 40 TDI
Euro 6d-TEMP (WLTP)
Emission Standard
Euro 6d-TEMP-EVAP-ISC (WLTP)
333 g/mi (NEFZ)
CO2 Emissions
246 g/mi (WLTP)
Practical Convenience
ALPINA B4 S Bi-Turbo Cabrio
Audi A5 Convertible 40 TDI
2
Doors
2
4
No. of Seats
4
849 lb
Maximum Payload
992 lb
10.5 cu ft
Trunk Volume
10.8 cu ft








No data
Cargo Volume (Seats Down)
No data