1999 Alfa Romeo 145 vs. 2007 Opel Astra
To start off, 2007 Opel Astra is newer by 8 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 1,998 cc (4 cylinders), 2007 Opel Astra is equipped with a bigger engine. In terms of performance, 2007 Opel Astra (197 HP @ 5600 RPM) has 44 more horse power than 1999 Alfa Romeo 145. (153 HP @ 6400 RPM) In normal driving conditions, 2007 Opel Astra should accelerate faster than 1999 Alfa Romeo 145. With that said, vehicle weight also plays an important factor in acceleration. 2007 Opel Astra weights approximately 175 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, 2007 Opel Astra (262 Nm @ 4200 RPM) has 71 more torque (in Nm) than 1999 Alfa Romeo 145. (191 Nm @ 3500 RPM). This means 2007 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 | 2007 Opel Astra | |
| Make | Alfa Romeo | Opel |
| Model | 145 | Astra |
| Year Released | 1999 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 1968 cc | 1998 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 153 HP | 197 HP |
| Engine RPM | 6400 RPM | 5600 RPM |
| Torque | 191 Nm | 262 Nm |
| Torque RPM | 3500 RPM | 4200 RPM |
| Engine Bore Size | 83 mm | 86 mm |
| Engine Stroke Size | 91.1 mm | 86 mm |
| Engine Compression Ratio | 10.0:1 | 8.8:1 |
| Fuel Type | Gasoline | Gasoline |
| Top Speed | 211 km/hour | 230 km/hour |
| Acceleration 0-100mph | 8.3 seconds | 8.2 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 3 doors | 4 doors |
| Vehicle Weight | 1210 kg | 1385 kg |
| Vehicle Length | 4100 mm | 4260 mm |
| Vehicle Width | 1720 mm | 1760 mm |
| Vehicle Height | 1440 mm | 1470 mm |
| Wheelbase Size | 2600 mm | 2620 mm |
| Fuel Consumption Overall | 13.6 L/100km | 9.3 L/100km |
| Fuel Tank Capacity | 61 L | 52 L |
