The Comparative Analysis :
Porsche 911 Targa 4 PDK (08 - 12) vs. ALPINA B6 Bi-Turbo Convertible Switch-Tronic (15 - 18)
€ 104,300

€ 137,200

€ 104,300
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 137,200
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The Porsche 911 Targa 4 is significantly smaller in every dimension. It's 18.1 inches shorter, 1.7 inches narrower and 2.5 inches lower than the ALPINA B6 Bi-Turbo Convertible.
Porsche 911 Targa 4
ALPINA B6 Bi-Turbo Convertible
51.6
72.9
80.8
54.1
74.6
82.4
72.9 in
Width
74.6 in
80.8 in
Width Incl. Mirrors
82.4 in
51.6 in
Height
54.1 in
92.5
174.6
112.4
192.7
174.6 in
Length
192.7 in
92.5 in
Wheelbase
112.4 in
Vehicle Weight
Porsche 911 Targa 4
ALPINA B6 Bi-Turbo Convertible
3605 lb
Curb Weight
4619 lb
4277 lb
Gross Vehicle
Weight
Weight
5357 lb

Weight Difference:
1014 lb
21.95 %

General
Porsche 911 Targa 4
ALPINA B6 Bi-Turbo Convertible
997
Generation
F12
Convertible
Car Body Style
Convertible
Premium Unleaded
Fuel Type
Premium Unleaded

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

7-speed dual clutch transmission
Transmission
8-speed automatic transmission
Engine
Porsche 911 Targa 4
ALPINA B6 Bi-Turbo Convertible
6-cylinder boxer gasoline engine (naturally aspirated engine)
Engine Type
V8 gasoline engine with two turbochargers (biturbo)
Engine Code
N63-B44
4
Valves
4
6
Cylinders
8
3.6 L / 176 cu in
Displacement
4.4 L / 215 cu in
340 hp
at 6500 rpm
Power
592 hp
at 6000 rpm
Porsche 911 Targa 4
340 hp
592 hp
ALPINA B6 Bi-Turbo Convertible
288 lb‑ft
at 4400 rpm
Max. Torque
590 lb‑ft
at 3500 rpm
Porsche 911 Targa 4
288 lb‑ft
590 lb‑ft
ALPINA B6 Bi-Turbo Convertible
Performance
Porsche 911 Targa 4
ALPINA B6 Bi-Turbo Convertible
175 mph
Maximum Speed
203 mph
5 sec
Acceleration 0 to 62 mph
4.2 sec
62 mph
62
mph
mph
226 ft
0.000 sec

Porsche 911 Targa 4
62 mph
62
mph
mph
190 ft
0.000 sec

ALPINA B6 Bi-Turbo Convertible
▶ REPLAY
10.6 lb/hp
Weight-to-Power Ratio
7.8 lb/hp
Porsche 911 Targa 4
10.6 lb/hp
7.8 lb/hp
ALPINA B6 Bi-Turbo Convertible
Fuel Economy / Emissions
Porsche 911 Targa 4
ALPINA B6 Bi-Turbo Convertible
Fuel Economy
23 mpg
combined
25 mpg
Porsche 911 Targa 4
23 mpg
25 mpg
ALPINA B6 Bi-Turbo Convertible
15 mpg
city
18 mpg
33 mpg
highway
No data
17.7 gal
Fuel Tank Capacity
18.5 gal
404 mi
Range
453 mi
Porsche 911 Targa 4
404 mi
453 mi
ALPINA B6 Bi-Turbo Convertible
Environmental Impact
195.2 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).
181.9 kWh
Porsche 911 Targa 4
195.2 kWh
181.9 kWh
ALPINA B6 Bi-Turbo Convertible
Euro 5
Emission Standard
Euro 6b (NEFZ)
389 g/mi (NEFZ)
CO2 Emissions
360 g/mi (NEFZ)
Practical Convenience
Porsche 911 Targa 4
ALPINA B6 Bi-Turbo Convertible
2
Doors
2
4
No. of Seats
4
672 lb
Maximum Payload
739 lb
3 cu ft
Trunk Volume
9.9 cu ft






No data
Cargo Volume (Seats Down)
No data