2007 BMW 328 vs. 2005 Opel Astra
To start off, 2007 BMW 328 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 2,999 cc (6 cylinders), 2007 BMW 328 is equipped with a bigger engine. In terms of performance, 2007 BMW 328 (230 HP @ 6500 RPM) has 128 more horse power than 2005 Opel Astra. (102 HP @ 6000 RPM). In normal driving conditions, 2007 BMW 328 should accelerate faster than 2005 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW 328 weights approximately 135 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.
Because 2007 BMW 328 is four wheel drive (4WD), it will have significant more traction and grip than 2005 Opel Astra. In wet, icy, snow, or gravel driving conditions, 2007 BMW 328 will offer significantly more control. 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 BMW 328 (271 Nm @ 2750 RPM) has 124 more torque (in Nm) than 2005 Opel Astra. (147 Nm @ 3600 RPM). This means 2007 BMW 328 will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Astra.
Compare all specifications:
| 2007 BMW 328 | 2005 Opel Astra | |
| Make | BMW | Opel |
| Model | 328 | Astra |
| Year Released | 2007 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 2999 cc | 1598 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 230 HP | 102 HP |
| Engine RPM | 6500 RPM | 6000 RPM |
| Torque | 271 Nm | 147 Nm |
| Torque RPM | 2750 RPM | 3600 RPM |
| Engine Compression Ratio | 10.7:1 | 10.5:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 4 seats |
| Vehicle Weight | 1515 kg | 1380 kg |
