2003 Alpina B3 vs. 2004 BMW X3
To start off, 2004 BMW X3 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 3,344 cc (6 cylinders), 2003 Alpina B3 is equipped with a bigger engine. In terms of performance, 2003 Alpina B3 (301 HP @ 6200 RPM) has 117 more horse power than 2004 BMW X3. (184 HP @ 7400 RPM). In normal driving conditions, 2003 Alpina B3 should accelerate faster than 2004 BMW X3. With that said, vehicle weight also plays an important factor in acceleration. 2004 BMW X3 weights approximately 173 kg more than 2003 Alpina B3.
Because 2004 BMW X3 is four wheel drive (4WD), it will have significant more traction and grip than 2003 Alpina B3. In wet, icy, snow, or gravel driving conditions, 2004 BMW X3 will offer significantly more control. 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, 2003 Alpina B3 (362 Nm) has 125 more torque (in Nm) than 2004 BMW X3. (237 Nm). This means 2003 Alpina B3 will have an easier job in driving up hills or pulling heavy equipment than 2004 BMW X3.
Compare all specifications:
| 2003 Alpina B3 | 2004 BMW X3 | |
| Make | Alpina | BMW |
| Model | B3 | X3 |
| Year Released | 2003 | 2004 |
| Body Type | Convertible | SUV |
| Engine Position | Front | Front |
| Engine Size | 3344 cc | 2491 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 301 HP | 184 HP |
| Engine RPM | 6200 RPM | 7400 RPM |
| Torque | 362 Nm | 237 Nm |
| Engine Bore Size | 87 mm | 84 mm |
| Engine Stroke Size | 93.8 mm | 75 mm |
| Engine Compression Ratio | 10.0:1 | 10.5:1 |
| Drive Type | Rear | 4WD |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1645 kg | 1818 kg |
| Vehicle Length | 4490 mm | 4570 mm |
| Vehicle Width | 1760 mm | 1860 mm |
| Vehicle Height | 1360 mm | 1680 mm |
| Wheelbase Size | 2730 mm | 2890 mm |
| Fuel Tank Capacity | 63 L | 67 L |
