2009 Alfa Romeo 159 vs. 2006 BMW X5
To start off, 2009 Alfa Romeo 159 is newer by 3 year(s). Which means there will be less support and parts availability for 2006 BMW X5. In addition, the cost of maintenance, including insurance, on 2006 BMW X5 would be higher. At 2,981 cc (6 cylinders), 2006 BMW X5 is equipped with a bigger engine. In terms of performance, 2006 BMW X5 (225 HP @ 5900 RPM) has 17 more horse power than 2009 Alfa Romeo 159. (208 HP @ 4000 RPM) In normal driving conditions, 2006 BMW X5 should accelerate faster than 2009 Alfa Romeo 159. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW X5 weights approximately 115 kg more than 2009 Alfa Romeo 159. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 BMW X5 is four wheel drive (4WD), it will have significant more traction and grip than 2009 Alfa Romeo 159. 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, 2009 Alfa Romeo 159 (400 Nm @ 1500 RPM) has 110 more torque (in Nm) than 2006 BMW X5. (290 Nm @ 3500 RPM). This means 2009 Alfa Romeo 159 will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW X5.
Compare all specifications:
| 2009 Alfa Romeo 159 | 2006 BMW X5 | |
| Make | Alfa Romeo | BMW |
| Model | 159 | X5 |
| Year Released | 2009 | 2006 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 2387 cc | 2981 cc |
| Engine Cylinders | 5 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 208 HP | 225 HP |
| Engine RPM | 4000 RPM | 5900 RPM |
| Torque | 400 Nm | 290 Nm |
| Torque RPM | 1500 RPM | 3500 RPM |
| Engine Bore Size | 82 mm | 84 mm |
| Engine Stroke Size | 90.4 mm | 89.6 mm |
| Engine Compression Ratio | 17.0:1 | 10.2:1 |
| Drive Type | Front | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1720 kg | 1835 kg |
| Vehicle Length | 4670 mm | 4670 mm |
| Vehicle Width | 1840 mm | 1880 mm |
| Vehicle Height | 1430 mm | 1770 mm |
| Wheelbase Size | 2710 mm | 2830 mm |
| Fuel Consumption Overall | 6.8 L/100km | 13.8 L/100km |
| Fuel Tank Capacity | 70 L | 92 L |
