2007 Alfa Romeo Brera vs. 2005 Opel Astra
To start off, 2007 Alfa Romeo Brera is newer by 2 year(s). Which means there will be less support and parts availability for 2005 Opel Astra. In addition, the cost of maintenance, including insurance, on 2005 Opel Astra would be higher. At 2,198 cc (4 cylinders), 2007 Alfa Romeo Brera is equipped with a bigger engine. In terms of performance, 2007 Alfa Romeo Brera (182 HP @ 6500 RPM) has 59 more horse power than 2005 Opel Astra. (123 HP @ 5600 RPM). In normal driving conditions, 2007 Alfa Romeo Brera should accelerate faster than 2005 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2007 Alfa Romeo Brera weights approximately 287 kg more than 2005 Opel Astra. 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 Alfa Romeo Brera (230 Nm @ 4500 RPM) has 60 more torque (in Nm) than 2005 Opel Astra. (170 Nm @ 3800 RPM). This means 2007 Alfa Romeo Brera will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Astra.
Compare all specifications:
| 2007 Alfa Romeo Brera | 2005 Opel Astra | |
| Make | Alfa Romeo | Opel |
| Model | Brera | Astra |
| Year Released | 2007 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 2198 cc | 1795 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 182 HP | 123 HP |
| Engine RPM | 6500 RPM | 5600 RPM |
| Torque | 230 Nm | 170 Nm |
| Torque RPM | 4500 RPM | 3800 RPM |
| Engine Compression Ratio | 11.3:1 | 10.5:1 |
| Top Speed | 217 km/hour | 205 km/hour |
| Acceleration 0-100mph | 8.6 seconds | 9.5 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 3 doors | 5 doors |
| Vehicle Weight | 1470 kg | 1183 kg |
| Wheelbase Size | 2530 mm | 2640 mm |
| Fuel Consumption Overall | 9.4 L/100km | 8 L/100km |
| Fuel Tank Capacity | 70 L | 53 L |
