2003 Alpina Roadster vs. 2008 BMW X6
To start off, 2008 BMW X6 is newer by 5 year(s). Which means there will be less support and parts availability for 2003 Alpina Roadster. In addition, the cost of maintenance, including insurance, on 2003 Alpina Roadster would be higher. At 4,399 cc (8 cylinders), 2008 BMW X6 is equipped with a bigger engine. In terms of performance, 2008 BMW X6 (400 HP @ 5500 RPM) has 99 more horse power than 2003 Alpina Roadster. (301 HP @ 6300 RPM) In normal driving conditions, 2008 BMW X6 should accelerate faster than 2003 Alpina Roadster. With that said, vehicle weight also plays an important factor in acceleration. 2008 BMW X6 weights approximately 574 kg more than 2003 Alpina Roadster. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 BMW X6 is four wheel drive (4WD), it will have significant more traction and grip than 2003 Alpina Roadster. In wet, icy, snow, or gravel driving conditions, 2008 BMW X6 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, 2008 BMW X6 (827 Nm @ 1800 RPM) has 465 more torque (in Nm) than 2003 Alpina Roadster. (362 Nm @ 4800 RPM). This means 2008 BMW X6 will have an easier job in driving up hills or pulling heavy equipment than 2003 Alpina Roadster. 2008 BMW X6 has automatic transmission and 2003 Alpina Roadster has manual transmission. 2003 Alpina Roadster will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2008 BMW X6 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 Alpina Roadster | 2008 BMW X6 | |
| Make | Alpina | BMW |
| Model | Roadster | X6 |
| Year Released | 2003 | 2008 |
| Body Type | Convertible | SUV |
| Engine Position | Front | Front |
| Engine Size | 3346 cc | 4399 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 301 HP | 400 HP |
| Engine RPM | 6300 RPM | 5500 RPM |
| Torque | 362 Nm | 827 Nm |
| Torque RPM | 4800 RPM | 1800 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1626 kg | 2200 kg |
| Vehicle Width | 1790 mm | 1830 mm |
