2005 Alfa Romeo 156 vs. 2008 BMW X5
To start off, 2008 BMW X5 is newer by 3 year(s). Which means there will be less support and parts availability for 2005 Alfa Romeo 156. In addition, the cost of maintenance, including insurance, on 2005 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 (350 HP @ 6300 RPM) has 165 more horse power than 2005 Alfa Romeo 156. (185 HP @ 5000 RPM) In normal driving conditions, 2008 BMW X5 should accelerate faster than 2005 Alfa Romeo 156. With that said, vehicle weight also plays an important factor in acceleration. 2008 BMW X5 weights approximately 64 kg more than 2005 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 2005 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 254 more torque (in Nm) than 2005 Alfa Romeo 156. (221 Nm @ 5000 RPM). This means 2008 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 2005 Alfa Romeo 156. 2008 BMW X5 has automatic transmission and 2005 Alfa Romeo 156 has manual transmission. 2005 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:
| 2005 Alfa Romeo 156 | 2008 BMW X5 | |
| Make | Alfa Romeo | BMW |
| Model | 156 | X5 |
| Year Released | 2005 | 2008 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 2490 cc | 4799 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 185 HP | 350 HP |
| Engine RPM | 5000 RPM | 6300 RPM |
| Torque | 221 Nm | 475 Nm |
| Torque RPM | 5000 RPM | 3400 RPM |
| Engine Bore Size | 88 mm | 93 mm |
| Engine Stroke Size | 68.3 mm | 88.3 mm |
| Engine Compression Ratio | 10.3:1 | 10.5:1 |
| Top Speed | 225 km/hour | 242 km/hour |
| Acceleration 0-100mph | 8.4 seconds | 6.5 seconds |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1490 kg | 1554 kg |
| Vehicle Length | 4730 mm | 4860 mm |
| Vehicle Width | 1820 mm | 1940 mm |
| Vehicle Height | 1420 mm | 1740 mm |
| Wheelbase Size | 2600 mm | 2940 mm |
| Fuel Consumption Overall | 11.8 L/100km | 12.5 L/100km |
| Fuel Tank Capacity | 72 L | 85 L |
