2003 Alpina B3 vs. 2003 BMW X Activity
To start off, both 2003 Alpina B3 and 2003 BMW X Activity were released in the same year (2003). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 3,346 cc (6 cylinders), 2003 Alpina B3 is equipped with a bigger engine. In terms of performance, 2003 Alpina B3 (301 HP @ 6300 RPM) has 73 more horse power than 2003 BMW X Activity. (228 HP @ 5900 RPM). In normal driving conditions, 2003 Alpina B3 should accelerate faster than 2003 BMW X Activity. With that said, vehicle weight also plays an important factor in acceleration. 2003 BMW X Activity weights approximately 180 kg more than 2003 Alpina B3.
Because 2003 BMW X Activity 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, 2003 BMW X Activity 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 @ 4800 RPM) has 62 more torque (in Nm) than 2003 BMW X Activity. (300 Nm @ 3500 RPM). This means 2003 Alpina B3 will have an easier job in driving up hills or pulling heavy equipment than 2003 BMW X Activity.
Compare all specifications:
| 2003 Alpina B3 | 2003 BMW X Activity | |
| Make | Alpina | BMW |
| Model | B3 | X Activity |
| Year Released | 2003 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 3346 cc | 2992 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 301 HP | 228 HP |
| Engine RPM | 6300 RPM | 5900 RPM |
| Torque | 362 Nm | 300 Nm |
| Torque RPM | 4800 RPM | 3500 RPM |
| Engine Bore Size | 87 mm | 84 mm |
| Engine Stroke Size | 93.8 mm | 89.6 mm |
| Engine Compression Ratio | 10.0:1 | 10.2:1 |
| Drive Type | Rear | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1450 kg | 1630 kg |
| Vehicle Length | 4480 mm | 4560 mm |
| Wheelbase Size | 2730 mm | 2830 mm |
| Fuel Tank Capacity | 63 L | 63 L |
