2003 Alfa Romeo 147 vs. 2005 BMW Z4
To start off, 2005 BMW Z4 is newer by 2 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 1,995 cc (4 cylinders), 2005 BMW Z4 is equipped with a bigger engine. In terms of performance, 2005 BMW Z4 (141 HP @ 6200 RPM) has 42 more horse power than 2003 Alfa Romeo 147. (99 HP @ 4000 RPM) In normal driving conditions, 2005 BMW Z4 should accelerate faster than 2003 Alfa Romeo 147. With that said, vehicle weight also plays an important factor in acceleration. 2003 Alfa Romeo 147 weights approximately 20 kg more than 2005 BMW Z4.
Because 2005 BMW Z4 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 2005 BMW Z4. However, in wet, icy, snow, or gravel driving conditions, 2003 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, both vehicles can yield 200 Nm of torque. So under normal driving conditions, the ability to climb up hills and pull heavy equipment should be relatively similar for both vehicles.
Compare all specifications:
| 2003 Alfa Romeo 147 | 2005 BMW Z4 | |
| Make | Alfa Romeo | BMW |
| Model | 147 | Z4 |
| Year Released | 2003 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 1909 cc | 1995 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 99 HP | 141 HP |
| Engine RPM | 4000 RPM | 6200 RPM |
| Torque | 200 Nm | 200 Nm |
| Torque RPM | 2000 RPM | 3600 RPM |
| Engine Bore Size | 82 mm | 84 mm |
| Engine Stroke Size | 90.4 mm | 90 mm |
| Engine Compression Ratio | 18.4:1 | 10.5:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 183 km/hour | 220 km/hour |
| Acceleration 0-100mph | 12.1 seconds | 8.2 seconds |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 3 doors | 2 doors |
| Vehicle Weight | 1345 kg | 1325 kg |
| Vehicle Length | 4180 mm | 4100 mm |
| Vehicle Width | 1740 mm | 1790 mm |
| Vehicle Height | 1450 mm | 1310 mm |
| Wheelbase Size | 2600 mm | 2500 mm |
| Fuel Tank Capacity | 60 L | 55 L |
