2006 Alfa Romeo 156 vs. 2008 BMW X5
To start off, 2008 BMW X5 is newer by 2 year(s). Which means there will be less support and parts availability for 2006 Alfa Romeo 156. In addition, the cost of maintenance, including insurance, on 2006 Alfa Romeo 156 would be higher. At 4,799 cc (8 cylinders), 2008 BMW X5 is equipped with a bigger engine. In terms of performance, 2008 BMW X5 (351 HP @ 6300 RPM) has 162 more horse power than 2006 Alfa Romeo 156. (189 HP @ 6300 RPM) In normal driving conditions, 2008 BMW X5 should accelerate faster than 2006 Alfa Romeo 156. With that said, vehicle weight also plays an important factor in acceleration. 2008 BMW X5 weights approximately 615 kg more than 2006 Alfa Romeo 156. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 BMW X5 is four wheel drive (4WD), it will have significant more traction and grip than 2006 Alfa Romeo 156. In wet, icy, snow, or gravel driving conditions, 2008 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, 2008 BMW X5 (475 Nm @ 3400 RPM) has 257 more torque (in Nm) than 2006 Alfa Romeo 156. (218 Nm @ 5000 RPM). This means 2008 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 2006 Alfa Romeo 156. 2008 BMW X5 has automatic transmission and 2006 Alfa Romeo 156 has manual transmission. 2006 Alfa Romeo 156 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2008 BMW X5 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2006 Alfa Romeo 156 | 2008 BMW X5 | |
| Make | Alfa Romeo | BMW |
| Model | 156 | X5 |
| Year Released | 2006 | 2008 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 2492 cc | 4799 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 189 HP | 351 HP |
| Engine RPM | 6300 RPM | 6300 RPM |
| Torque | 218 Nm | 475 Nm |
| Torque RPM | 5000 RPM | 3400 RPM |
| Fuel Type | Gasoline | Gasoline |
| Top Speed | 230 km/hour | 246 km/hour |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1585 kg | 2200 kg |
| Vehicle Length | 4440 mm | 4860 mm |
| Vehicle Width | 1750 mm | 1940 mm |
| Vehicle Height | 1440 mm | 1770 mm |
| Wheelbase Size | 2600 mm | 2940 mm |
| Fuel Consumption Overall | 11.8 L/100km | 14.7 L/100km |
| Fuel Tank Capacity | 63 L | 85 L |
