2003 Alpina B3 vs. 2004 Porsche 911
To start off, 2004 Porsche 911 is newer by 1 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 3,596 cc (6 cylinders), 2004 Porsche 911 is equipped with a bigger engine. In terms of performance, 2004 Porsche 911 (315 HP @ 6000 RPM) has 14 more horse power than 2003 Alpina B3. (301 HP @ 6200 RPM) In normal driving conditions, 2004 Porsche 911 should accelerate faster than 2003 Alpina B3. With that said, vehicle weight also plays an important factor in acceleration. 2003 Alpina B3 weights approximately 303 kg more than 2004 Porsche 911.
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, 2004 Porsche 911 (370 Nm) has 8 more torque (in Nm) than 2003 Alpina B3. (362 Nm). This means 2004 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 2003 Alpina B3.
Compare all specifications:
| 2003 Alpina B3 | 2004 Porsche 911 | |
| Make | Alpina | Porsche |
| Model | B3 | 911 |
| Year Released | 2003 | 2004 |
| Body Type | Convertible | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 3344 cc | 3596 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 301 HP | 315 HP |
| Engine RPM | 6200 RPM | 6000 RPM |
| Torque | 362 Nm | 370 Nm |
| Engine Bore Size | 87 mm | 96 mm |
| Engine Stroke Size | 93.8 mm | 83 mm |
| Engine Compression Ratio | 10.0:1 | 11.3:1 |
| Drive Type | Rear | Rear |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1645 kg | 1342 kg |
| Vehicle Length | 4490 mm | 4440 mm |
| Vehicle Width | 1760 mm | 1780 mm |
| Vehicle Height | 1360 mm | 1310 mm |
| Wheelbase Size | 2730 mm | 2360 mm |
| Fuel Tank Capacity | 63 L | 64 L |
