1999 Alfa Romeo 145 vs. 2006 Opel Astra
To start off, 2006 Opel Astra is newer by 7 year(s). Which means there will be less support and parts availability for 1999 Alfa Romeo 145. In addition, the cost of maintenance, including insurance, on 1999 Alfa Romeo 145 would be higher. At 1,747 cc (4 cylinders), 1999 Alfa Romeo 145 is equipped with a bigger engine. In terms of performance, 1999 Alfa Romeo 145 (142 HP @ 6500 RPM) has 38 more horse power than 2006 Opel Astra. (104 HP @ 6000 RPM). In normal driving conditions, 1999 Alfa Romeo 145 should accelerate faster than 2006 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2006 Opel Astra weights approximately 120 kg more than 1999 Alfa Romeo 145.
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, 1999 Alfa Romeo 145 (169 Nm @ 3500 RPM) has 19 more torque (in Nm) than 2006 Opel Astra. (150 Nm @ 3900 RPM). This means 1999 Alfa Romeo 145 will have an easier job in driving up hills or pulling heavy equipment than 2006 Opel Astra.
Compare all specifications:
| 1999 Alfa Romeo 145 | 2006 Opel Astra | |
| Make | Alfa Romeo | Opel |
| Model | 145 | Astra |
| Year Released | 1999 | 2006 |
| Engine Position | Front | Front |
| Engine Size | 1747 cc | 1598 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 142 HP | 104 HP |
| Engine RPM | 6500 RPM | 6000 RPM |
| Torque | 169 Nm | 150 Nm |
| Torque RPM | 3500 RPM | 3900 RPM |
| Engine Bore Size | 82.1 mm | 79 mm |
| Engine Stroke Size | 82.8 mm | 81.5 mm |
| Engine Compression Ratio | 10.7:1 | 10.5:1 |
| Acceleration 0-100mph | 9.1 seconds | 12.7 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 | 1195 kg | 1315 kg |
| Vehicle Length | 4070 mm | 4520 mm |
| Vehicle Width | 1720 mm | 1800 mm |
| Vehicle Height | 1440 mm | 1510 mm |
| Wheelbase Size | 2600 mm | 2710 mm |
| Fuel Consumption Overall | 12.6 L/100km | 6.7 L/100km |
| Fuel Tank Capacity | 61 L | 52 L |
