2001 Alfa Romeo 145 vs. 2005 Opel Astra
To start off, 2005 Opel Astra is newer by 4 year(s). Which means there will be less support and parts availability for 2001 Alfa Romeo 145. In addition, the cost of maintenance, including insurance, on 2001 Alfa Romeo 145 would be higher. At 1,796 cc (4 cylinders), 2005 Opel Astra is equipped with a bigger engine. In terms of performance, 2005 Opel Astra (123 HP @ 5600 RPM) has 20 more horse power than 2001 Alfa Romeo 145. (103 HP @ 6300 RPM) In normal driving conditions, 2005 Opel Astra should accelerate faster than 2001 Alfa Romeo 145. With that said, vehicle weight also plays an important factor in acceleration. 2001 Alfa Romeo 145 weights approximately 75 kg more than 2005 Opel Astra.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear wheel drive vehicles. 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, 2005 Opel Astra (167 Nm @ 3800 RPM) has 42 more torque (in Nm) than 2001 Alfa Romeo 145. (125 Nm @ 4600 RPM). This means 2005 Opel Astra will have an easier job in driving up hills or pulling heavy equipment than 2001 Alfa Romeo 145.
Compare all specifications:
| 2001 Alfa Romeo 145 | 2005 Opel Astra | |
| Make | Alfa Romeo | Opel |
| Model | 145 | Astra |
| Year Released | 2001 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 1370 cc | 1796 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 103 HP | 123 HP |
| Engine RPM | 6300 RPM | 5600 RPM |
| Torque | 125 Nm | 167 Nm |
| Torque RPM | 4600 RPM | 3800 RPM |
| Engine Compression Ratio | 10.5:1 | 10.5:1 |
| Acceleration 0-100mph | 11.2 seconds | 10 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 3 doors | 5 doors |
| Vehicle Weight | 1275 kg | 1200 kg |
| Wheelbase Size | 2600 mm | 2740 mm |
| Fuel Tank Capacity | 51 L | 52 L |
