2006 Alpina Roadster vs. 2006 BMW X5
To start off, both 2006 Alpina Roadster and 2006 BMW X5 were released in the same year (2006). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 3,346 cc (6 cylinders), 2006 Alpina Roadster is equipped with a bigger engine. In terms of performance, 2006 Alpina Roadster (296 HP @ 6300 RPM) has 68 more horse power than 2006 BMW X5. (228 HP @ 3500 RPM). In normal driving conditions, 2006 Alpina Roadster should accelerate faster than 2006 BMW X5. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW X5 weights approximately 235 kg more than 2006 Alpina Roadster.
Because 2006 BMW X5 is four wheel drive (4WD), it will have significant more traction and grip than 2006 Alpina Roadster. In wet, icy, snow, or gravel driving conditions, 2006 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, 2006 Alpina Roadster (362 Nm @ 4800 RPM) has 62 more torque (in Nm) than 2006 BMW X5. (300 Nm @ 3500 RPM). This means 2006 Alpina Roadster will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW X5.
Compare all specifications:
| 2006 Alpina Roadster | 2006 BMW X5 | |
| Make | Alpina | BMW |
| Model | Roadster | X5 |
| Year Released | 2006 | 2006 |
| Body Type | Convertible | SUV |
| Engine Position | Front | Front |
| Engine Size | 3346 cc | 2979 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 296 HP | 228 HP |
| Engine RPM | 6300 RPM | 3500 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 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 265 km/hour | 202 km/hour |
| Acceleration 0-100mph | 5.7 seconds | 8.5 seconds |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1395 kg | 1630 kg |
| Vehicle Length | 4100 mm | 4670 mm |
| Vehicle Width | 1790 mm | 1880 mm |
| Vehicle Height | 1310 mm | 1720 mm |
| Wheelbase Size | 2500 mm | 2830 mm |
| Fuel Consumption Overall | 11.7 L/100km | 12.7 L/100km |
| Fuel Tank Capacity | 55 L | 93 L |
