2005 Alfa Romeo 147 vs. 2006 BMW M5
To start off, 2006 BMW M5 is newer by 1 year(s). Which means there will be less support and parts availability for 2005 Alfa Romeo 147. In addition, the cost of maintenance, including insurance, on 2005 Alfa Romeo 147 would be higher. At 4,998 cc (10 cylinders), 2006 BMW M5 is equipped with a bigger engine. In terms of performance, 2006 BMW M5 (500 HP @ 7750 RPM) has 352 more horse power than 2005 Alfa Romeo 147. (148 HP @ 6300 RPM) In normal driving conditions, 2006 BMW M5 should accelerate faster than 2005 Alfa Romeo 147. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW M5 weights approximately 430 kg more than 2005 Alfa Romeo 147. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 BMW M5 is four wheel drive (4WD), it will have significant more traction and grip than 2005 Alfa Romeo 147. In wet, icy, snow, or gravel driving conditions, 2006 BMW M5 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, 2006 BMW M5 (519 Nm @ 6100 RPM) has 338 more torque (in Nm) than 2005 Alfa Romeo 147. (181 Nm @ 3800 RPM). This means 2006 BMW M5 will have an easier job in driving up hills or pulling heavy equipment than 2005 Alfa Romeo 147.
Compare all specifications:
| 2005 Alfa Romeo 147 | 2006 BMW M5 | |
| Make | Alfa Romeo | BMW |
| Model | 147 | M5 |
| Year Released | 2005 | 2006 |
| Engine Position | Front | Front |
| Engine Size | 1908 cc | 4998 cc |
| Engine Cylinders | 4 cylinders | 10 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 148 HP | 500 HP |
| Engine RPM | 6300 RPM | 7750 RPM |
| Torque | 181 Nm | 519 Nm |
| Torque RPM | 3800 RPM | 6100 RPM |
| Engine Compression Ratio | 10.0:1 | 12.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 208 km/hour | 245 km/hour |
| Acceleration 0-100mph | 9.3 seconds | 4.7 seconds |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 3 doors | 4 doors |
| Vehicle Weight | 1325 kg | 1755 kg |
| Vehicle Length | 4180 mm | 4860 mm |
| Vehicle Width | 1740 mm | 1850 mm |
| Vehicle Height | 1470 mm | 1470 mm |
| Wheelbase Size | 2550 mm | 2890 mm |
| Fuel Consumption Overall | 8.9 L/100km | 16.8 L/100km |
| Fuel Tank Capacity | 60 L | 70 L |
