2003 Alfa Romeo 147 vs. 2007 BMW X3
To start off, 2007 BMW X3 is newer by 4 year(s). Which means there will be less support and parts availability for 2003 Alfa Romeo 147. In addition, the cost of maintenance, including insurance, on 2003 Alfa Romeo 147 would be higher. At 2,996 cc (6 cylinders), 2007 BMW X3 is equipped with a bigger engine. In terms of performance, 2007 BMW X3 (268 HP @ 6600 RPM) has 169 more horse power than 2003 Alfa Romeo 147. (99 HP @ 4000 RPM) In normal driving conditions, 2007 BMW X3 should accelerate faster than 2003 Alfa Romeo 147. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW X3 weights approximately 470 kg more than 2003 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 X3 is four wheel drive (4WD), it will have significant more traction and grip than 2003 Alfa Romeo 147. In wet, icy, snow, or gravel driving conditions, 2007 BMW X3 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, 2007 BMW X3 (315 Nm @ 2750 RPM) has 115 more torque (in Nm) than 2003 Alfa Romeo 147. (200 Nm @ 2000 RPM). This means 2007 BMW X3 will have an easier job in driving up hills or pulling heavy equipment than 2003 Alfa Romeo 147. 2007 BMW X3 has automatic transmission and 2003 Alfa Romeo 147 has manual transmission. 2003 Alfa Romeo 147 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 BMW X3 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 Alfa Romeo 147 | 2007 BMW X3 | |
| Make | Alfa Romeo | BMW |
| Model | 147 | X3 |
| Year Released | 2003 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 1909 cc | 2996 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 99 HP | 268 HP |
| Engine RPM | 4000 RPM | 6600 RPM |
| Torque | 200 Nm | 315 Nm |
| Torque RPM | 2000 RPM | 2750 RPM |
| Engine Bore Size | 82 mm | 85 mm |
| Engine Stroke Size | 90.4 mm | 88 mm |
| Engine Compression Ratio | 18.4:1 | 10.7:1 |
| Fuel Type | Diesel | Gasoline |
| Top Speed | 183 km/hour | 210 km/hour |
| Acceleration 0-100mph | 12.1 seconds | 7.8 seconds |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 3 doors | 5 doors |
| Vehicle Weight | 1345 kg | 1815 kg |
| Vehicle Length | 4180 mm | 4570 mm |
| Vehicle Width | 1740 mm | 1680 mm |
| Vehicle Height | 1450 mm | 1860 mm |
| Wheelbase Size | 2600 mm | 2800 mm |
| Fuel Tank Capacity | 60 L | 67 L |
