The Comparative Analysis :
ALPINA D4 Bi-Turbo Convertible Switch-Tronic (14 - 17) vs. Audi S4 Convertible (05 - 09)
€ 65,700

€ 64,600

€ 65,700
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 64,600
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The dimensions of these vehicles differ slightly. The ALPINA D4 Bi-Turbo Cabrio is 2.6 inches longer, 1.9 inches wider and 0.5 inches lower than the Audi S4 Convertible.
ALPINA D4 Bi-Turbo Cabrio
Audi S4 Convertible
54.3
71.9
79.7
54.8
70
76.1
71.9 in
Width
70 in
79.7 in
Width Incl. Mirrors
76.1 in
54.3 in
Height
54.8 in
110.6
182.7
104.3
180
182.7 in
Length
180 in
110.6 in
Wheelbase
104.3 in
Vehicle Weight
ALPINA D4 Bi-Turbo Cabrio
Audi S4 Convertible
4167 lb
Curb Weight
4255 lb
4993 lb
Gross Vehicle
Weight
Weight
5104 lb

Weight Difference:
88 lb
2.07 %

General
ALPINA D4 Bi-Turbo Cabrio
Audi S4 Convertible
F33
Generation
B7 (8E)
Convertible
Car Body Style
Convertible
Diesel
Fuel Type
Premium Unleaded

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

8-speed automatic transmission
Transmission
6-speed manual transmission
Engine
ALPINA D4 Bi-Turbo Cabrio
Audi S4 Convertible
Straight-six diesel engine with two turbochargers (biturbo)
Engine Type
V8 gasoline engine (naturally aspirated engine)
N57-D30
Engine Code
BBK
4
Valves
5
6
Cylinders
8
3 L / 147 cu in
Displacement
4.2 L / 206 cu in
345 hp
at 4000 rpm
Power
339 hp
at 7000 rpm
ALPINA D4 Bi-Turbo Cabrio
345 hp
339 hp
Audi S4 Convertible
516 lb‑ft
at 1500 rpm
Max. Torque
302 lb‑ft
at 3500 rpm
ALPINA D4 Bi-Turbo Cabrio
516 lb‑ft
302 lb‑ft
Audi S4 Convertible
Performance
ALPINA D4 Bi-Turbo Cabrio
Audi S4 Convertible
171 mph
Maximum Speed
155 mph
5 sec
Acceleration 0 to 62 mph
5.9 sec
62 mph
62
mph
mph
226 ft
0.000 sec

ALPINA D4 Bi-Turbo Cabrio
62 mph
62
mph
mph
269 ft
0.000 sec

Audi S4 Convertible
▶ REPLAY
12.08 lb/hp
Weight-to-Power Ratio
12.55 lb/hp
ALPINA D4 Bi-Turbo Cabrio
12.08 lb/hp
12.55 lb/hp
Audi S4 Convertible
Fuel Economy / Emissions
ALPINA D4 Bi-Turbo Cabrio
Audi S4 Convertible
Fuel Economy
40 mpg
combined
17 mpg
ALPINA D4 Bi-Turbo Cabrio
40 mpg
17 mpg
Audi S4 Convertible
36 mpg
city
12 mpg
No data
highway
No data
15.9 gal
Fuel Tank Capacity
16.6 gal
632 mi
Range
284 mi
ALPINA D4 Bi-Turbo Cabrio
632 mi
284 mi
Audi S4 Convertible
Environmental Impact
121.3 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).
261.5 kWh
ALPINA D4 Bi-Turbo Cabrio
121.3 kWh
261.5 kWh
Audi S4 Convertible
Euro 6b (NEFZ)
Emission Standard
Euro 4
251 g/mi (NEFZ)
CO2 Emissions
533 g/mi (NEFZ)
Practical Convenience
ALPINA D4 Bi-Turbo Cabrio
Audi S4 Convertible
2
Doors
2
4
No. of Seats
4
827 lb
Maximum Payload
849 lb
10.5 cu ft
Trunk Volume
8.9 cu ft








No data
Cargo Volume (Seats Down)
No data