1999 Alfa Romeo 145 vs. 2005 Opel Astra
To start off, 2005 Opel Astra is newer by 6 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 1,909 cc (4 cylinders), 2005 Opel Astra is equipped with a bigger engine. In terms of performance, 2005 Opel Astra (197 HP @ 5600 RPM) has 77 more horse power than 1999 Alfa Romeo 145. (120 HP @ 6400 RPM) In normal driving conditions, 2005 Opel Astra should accelerate faster than 1999 Alfa Romeo 145. With that said, vehicle weight also plays an important factor in acceleration. 2005 Opel Astra weights approximately 325 kg more than 1999 Alfa Romeo 145. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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 (250 Nm @ 1950 RPM) has 106 more torque (in Nm) than 1999 Alfa Romeo 145. (144 Nm @ 4500 RPM). This means 2005 Opel Astra will have an easier job in driving up hills or pulling heavy equipment than 1999 Alfa Romeo 145.
Compare all specifications:
| 1999 Alfa Romeo 145 | 2005 Opel Astra | |
| Make | Alfa Romeo | Opel |
| Model | 145 | Astra |
| Year Released | 1999 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 1596 cc | 1909 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 120 HP | 197 HP |
| Engine RPM | 6400 RPM | 5600 RPM |
| Torque | 144 Nm | 250 Nm |
| Torque RPM | 4500 RPM | 1950 RPM |
| Engine Bore Size | 82 mm | 86 mm |
| Engine Stroke Size | 75.7 mm | 86 mm |
| Engine Compression Ratio | 10.0:1 | 8.8:1 |
| Acceleration 0-100mph | 10.2 seconds | 7.5 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 3 doors | 2 doors |
| Vehicle Weight | 1165 kg | 1490 kg |
| Vehicle Length | 4100 mm | 4270 mm |
| Vehicle Width | 1720 mm | 1720 mm |
| Vehicle Height | 1440 mm | 1400 mm |
| Wheelbase Size | 2600 mm | 2640 mm |
| Fuel Consumption Overall | 12.2 L/100km | 9.1 L/100km |
| Fuel Tank Capacity | 51 L | 52 L |
