2009 Alpina Roadster vs. 2013 BMW X5 M
To start off, 2013 BMW X5 M is newer by 4 year(s). Which means there will be less support and parts availability for 2009 Alpina Roadster. In addition, the cost of maintenance, including insurance, on 2009 Alpina Roadster would be higher. At 4,395 cc (8 cylinders), 2013 BMW X5 M is equipped with a bigger engine. In terms of performance, 2013 BMW X5 M (547 HP @ 6000 RPM) has 251 more horse power than 2009 Alpina Roadster. (296 HP @ 6300 RPM) In normal driving conditions, 2013 BMW X5 M should accelerate faster than 2009 Alpina Roadster. With that said, vehicle weight also plays an important factor in acceleration. 2013 BMW X5 M weights approximately 1040 kg more than 2009 Alpina Roadster. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2013 BMW X5 M is all wheel drive (AWD), it will have significant more traction and grip than 2009 Alpina Roadster. In wet, icy, snow, or gravel driving conditions, 2013 BMW X5 M 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, 2013 BMW X5 M (678 Nm @ 5650 RPM) has 316 more torque (in Nm) than 2009 Alpina Roadster. (362 Nm @ 4800 RPM). This means 2013 BMW X5 M will have an easier job in driving up hills or pulling heavy equipment than 2009 Alpina Roadster. 2013 BMW X5 M has automatic transmission and 2009 Alpina Roadster has manual transmission. 2009 Alpina Roadster will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2013 BMW X5 M will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Alpina Roadster | 2013 BMW X5 M | |
| Make | Alpina | BMW |
| Model | Roadster | X5 M |
| Year Released | 2009 | 2013 |
| Body Type | Convertible | SUV |
| Engine Position | Front | Front |
| Engine Size | 3346 cc | 4395 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 296 HP | 547 HP |
| Engine RPM | 6300 RPM | 6000 RPM |
| Torque | 362 Nm | 678 Nm |
| Torque RPM | 4800 RPM | 5650 RPM |
| Engine Bore Size | 87 mm | 89 mm |
| Engine Stroke Size | 93.8 mm | 88 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | AWD |
| Transmission Type | Manual | 6-speed automatic |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1395 kg | 2435 kg |
| Vehicle Length | 4100 mm | 4851 mm |
| Vehicle Width | 1790 mm | 2197 mm |
| Vehicle Height | 1300 mm | 1764 mm |
| Wheelbase Size | 2500 mm | 2933 mm |
| Fuel Tank Capacity | 55 L | 85 L |
