2005 Alfa Romeo 147 vs. 2007 BMW M3
To start off, 2007 BMW M3 is newer by 2 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 3,245 cc (6 cylinders), 2007 BMW M3 is equipped with a bigger engine. In terms of performance, 2007 BMW M3 (338 HP @ 7900 RPM) has 190 more horse power than 2005 Alfa Romeo 147. (148 HP @ 6300 RPM) In normal driving conditions, 2007 BMW M3 should accelerate faster than 2005 Alfa Romeo 147. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW M3 weights approximately 330 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 2007 BMW M3 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2007 BMW M3. However, in wet, icy, snow, or gravel driving conditions, 2005 Alfa Romeo 147, being front wheel drive (FWD), will offer much better control with better grip. 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, 2007 BMW M3 (365 Nm @ 4900 RPM) has 184 more torque (in Nm) than 2005 Alfa Romeo 147. (181 Nm @ 3800 RPM). This means 2007 BMW M3 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 | 2007 BMW M3 | |
| Make | Alfa Romeo | BMW |
| Model | 147 | M3 |
| Year Released | 2005 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 1908 cc | 3245 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 148 HP | 338 HP |
| Engine RPM | 6300 RPM | 7900 RPM |
| Torque | 181 Nm | 365 Nm |
| Torque RPM | 3800 RPM | 4900 RPM |
| Engine Bore Size | 83 mm | 87 mm |
| Engine Stroke Size | 91 mm | 91 mm |
| Engine Compression Ratio | 10.0:1 | 11.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 208 km/hour | 250 km/hour |
| Acceleration 0-100mph | 9.3 seconds | 5.5 seconds |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 3 doors | 2 doors |
| Vehicle Weight | 1325 kg | 1655 kg |
| Vehicle Length | 4180 mm | 4500 mm |
| Vehicle Width | 1740 mm | 1790 mm |
| Vehicle Height | 1470 mm | 1380 mm |
| Wheelbase Size | 2550 mm | 2740 mm |
| Fuel Consumption Overall | 8.9 L/100km | 12.1 L/100km |
| Fuel Tank Capacity | 60 L | 63 L |
