2005 Opel Astra vs. 2008 Audi A4
To start off, 2008 Audi A4 is newer by 3 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 1,995 cc (4 cylinders), 2005 Opel Astra is equipped with a bigger engine. In terms of performance, 2008 Audi A4 (197 HP @ 5100 RPM) has 115 more horse power than 2005 Opel Astra. (82 HP @ 4300 RPM) In normal driving conditions, 2008 Audi A4 should accelerate faster than 2005 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2008 Audi A4 weights approximately 100 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 2008 Audi A4 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, 2008 Audi A4 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, 2008 Audi A4 (280 Nm @ 1800 RPM) has 95 more torque (in Nm) than 2005 Opel Astra. (185 Nm @ 1500 RPM). This means 2008 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Astra.
Compare all specifications:
| 2005 Opel Astra | 2008 Audi A4 | |
| Make | Opel | Audi |
| Model | Astra | A4 |
| Year Released | 2005 | 2008 |
| Body Type | Hatchback | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1995 cc | 1984 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 82 HP | 197 HP |
| Engine RPM | 4300 RPM | 5100 RPM |
| Torque | 185 Nm | 280 Nm |
| Torque RPM | 1500 RPM | 1800 RPM |
| Engine Compression Ratio | 18.5:1 | 10.5:1 |
| Acceleration 0-100mph | 15.5 seconds | 7.2 seconds |
| Drive Type | Front | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 3 doors | 4 doors |
| Vehicle Weight | 1390 kg | 1490 kg |
| Vehicle Length | 4120 mm | 4590 mm |
| Vehicle Width | 1720 mm | 1780 mm |
| Vehicle Height | 1430 mm | 1430 mm |
| Wheelbase Size | 2640 mm | 2650 mm |
| Fuel Tank Capacity | 52 L | 63 L |
