1991 Alpina B 12 vs. 2009 BMW X5
To start off, 2009 BMW X5 is newer by 18 year(s). Which means there will be less support and parts availability for 1991 Alpina B 12. In addition, the cost of maintenance, including insurance, on 1991 Alpina B 12 would be higher. At 4,799 cc (8 cylinders), 2009 BMW X5 is equipped with a bigger engine. With that said, vehicle weight also plays an important factor in acceleration. 1991 Alpina B 12 weights approximately 265 kg more than 2009 BMW X5.
Because 2009 BMW X5 is four wheel drive (4WD), it will have significant more traction and grip than 1991 Alpina B 12. In wet, icy, snow, or gravel driving conditions, 2009 BMW X5 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, 2009 BMW X5 (476 Nm) has 7 more torque (in Nm) than 1991 Alpina B 12. (469 Nm). This means 2009 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 1991 Alpina B 12. 2009 BMW X5 has automatic transmission and 1991 Alpina B 12 has manual transmission. 1991 Alpina B 12 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 BMW X5 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1991 Alpina B 12 | 2009 BMW X5 | |
| Make | Alpina | BMW |
| Model | B 12 | X5 |
| Year Released | 1991 | 2009 |
| Body Type | Coupe | SUV |
| Engine Position | Front | Front |
| Engine Size | 3500 cc | 4799 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 0 HP | 350 HP |
| Torque | 469 Nm | 476 Nm |
| Top Speed | 251 km/hour | 242 km/hour |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1790 kg | 1525 kg |
| Vehicle Length | 4790 mm | 4860 mm |
| Vehicle Width | 1860 mm | 1940 mm |
| Vehicle Height | 1350 mm | 1740 mm |
| Wheelbase Size | 2690 mm | 2940 mm |
