2003 Alpina B3 vs. 2005 Porsche Carrera GT
To start off, 2005 Porsche Carrera GT is newer by 2 year(s). Which means there will be less support and parts availability for 2003 Alpina B3. In addition, the cost of maintenance, including insurance, on 2003 Alpina B3 would be higher. At 5,733 cc (10 cylinders), 2005 Porsche Carrera GT is equipped with a bigger engine. In terms of performance, 2005 Porsche Carrera GT (604 HP @ 8000 RPM) has 303 more horse power than 2003 Alpina B3. (301 HP @ 6300 RPM) In normal driving conditions, 2005 Porsche Carrera GT should accelerate faster than 2003 Alpina B3. With that said, vehicle weight also plays an important factor in acceleration. 2003 Alpina B3 weights approximately 620 kg more than 2005 Porsche Carrera GT.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 2005 Porsche Carrera GT (590 Nm @ 5750 RPM) has 228 more torque (in Nm) than 2003 Alpina B3. (362 Nm @ 4800 RPM). This means 2005 Porsche Carrera GT will have an easier job in driving up hills or pulling heavy equipment than 2003 Alpina B3.
Compare all specifications:
| 2003 Alpina B3 | 2005 Porsche Carrera GT | |
| Make | Alpina | Porsche |
| Model | B3 | Carrera GT |
| Year Released | 2003 | 2005 |
| Body Type | Station Wagon | Roadster |
| Engine Position | Front | Middle |
| Engine Size | 3346 cc | 5733 cc |
| Engine Cylinders | 6 cylinders | 10 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 301 HP | 604 HP |
| Engine RPM | 6300 RPM | 8000 RPM |
| Torque | 362 Nm | 590 Nm |
| Torque RPM | 4800 RPM | 5750 RPM |
| Engine Bore Size | 87.1 mm | 98 mm |
| Engine Stroke Size | 93.9 mm | 76 mm |
| Engine Compression Ratio | 10.0:1 | 12.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Acceleration 0-100mph | 5.8 seconds | 3.9 seconds |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 2000 kg | 1380 kg |
| Vehicle Length | 4480 mm | 4620 mm |
| Vehicle Width | 1750 mm | 1930 mm |
| Vehicle Height | 1420 mm | 1170 mm |
| Wheelbase Size | 3000 mm | 2860 mm |
| Fuel Consumption Overall | 11.1 L/100km | 18 L/100km |
| Fuel Tank Capacity | 63 L | 92 L |
