1991 Alpina B vs. 2003 Alpina B3
To start off, 2003 Alpina B3 is newer by 12 year(s). Which means there will be less support and parts availability for 1991 Alpina B. In addition, the cost of maintenance, including insurance, on 1991 Alpina B would be higher. At 5,646 cc (12 cylinders), 1991 Alpina B is equipped with a bigger engine. In terms of performance, 1991 Alpina B (410 HP @ 5400 RPM) has 134 more horse power than 2003 Alpina B3. (276 HP @ 6300 RPM). In normal driving conditions, 1991 Alpina B should accelerate faster than 2003 Alpina B3. With that said, vehicle weight also plays an important factor in acceleration. 1991 Alpina B weights approximately 306 kg more than 2003 Alpina B3. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2003 Alpina B3 is four wheel drive (4WD), it will have significant more traction and grip than 1991 Alpina B. In wet, icy, snow, or gravel driving conditions, 2003 Alpina B3 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, 1991 Alpina B (570 Nm @ 4000 RPM) has 235 more torque (in Nm) than 2003 Alpina B3. (335 Nm @ 4500 RPM). This means 1991 Alpina B will have an easier job in driving up hills or pulling heavy equipment than 2003 Alpina B3.
Compare all specifications:
| 1991 Alpina B | 2003 Alpina B3 | |
| Make | Alpina | Alpina |
| Model | B | B3 |
| Year Released | 1991 | 2003 |
| Engine Size | 5646 cc | 3300 cc |
| Engine Cylinders | 12 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 410 HP | 276 HP |
| Engine RPM | 5400 RPM | 6300 RPM |
| Torque | 570 Nm | 335 Nm |
| Torque RPM | 4000 RPM | 4500 RPM |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | 4WD |
| Vehicle Weight | 1866 kg | 1560 kg |
| Vehicle Length | 4790 mm | 4480 mm |
| Vehicle Width | 1860 mm | 1750 mm |
| Vehicle Height | 1350 mm | 1420 mm |
| Wheelbase Size | 2690 mm | 2730 mm |
