2006 Alpina Roadster vs. 2001 BMW X5
To start off, 2006 Alpina Roadster is newer by 5 year(s). Which means there will be less support and parts availability for 2001 BMW X5. In addition, the cost of maintenance, including insurance, on 2001 BMW X5 would be higher. 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 107 more horse power than 2001 BMW X5. (189 HP @ 4000 RPM). In normal driving conditions, 2006 Alpina Roadster should accelerate faster than 2001 BMW X5. With that said, vehicle weight also plays an important factor in acceleration. 2001 BMW X5 weights approximately 775 kg more than 2006 Alpina Roadster.
Because 2001 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, 2001 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, 2001 BMW X5 (410 Nm @ 2000 RPM) has 48 more torque (in Nm) than 2006 Alpina Roadster. (362 Nm @ 4800 RPM). This means 2001 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 2006 Alpina Roadster. 2001 BMW X5 has automatic transmission and 2006 Alpina Roadster has manual transmission. 2006 Alpina Roadster will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2001 BMW X5 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2006 Alpina Roadster | 2001 BMW X5 | |
| Make | Alpina | BMW |
| Model | Roadster | X5 |
| Year Released | 2006 | 2001 |
| Body Type | Convertible | SUV |
| Engine Position | Front | Front |
| Engine Size | 3346 cc | 2977 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 296 HP | 189 HP |
| Engine RPM | 6300 RPM | 4000 RPM |
| Torque | 362 Nm | 410 Nm |
| Torque RPM | 4800 RPM | 2000 RPM |
| Engine Bore Size | 87 mm | 84 mm |
| Engine Stroke Size | 93.8 mm | 88 mm |
| Engine Compression Ratio | 10.0:1 | 18.0:1 |
| Top Speed | 265 km/hour | 200 km/hour |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1395 kg | 2170 kg |
| Vehicle Length | 4100 mm | 4670 mm |
| Vehicle Width | 1790 mm | 1880 mm |
| Vehicle Height | 1310 mm | 1710 mm |
| Wheelbase Size | 2500 mm | 2730 mm |
| Fuel Consumption Overall | 11.7 L/100km | 9.7 L/100km |
| Fuel Tank Capacity | 55 L | 93 L |
