2005 Audi A4 vs. 1999 Opel Astra
To start off, 2005 Audi A4 is newer by 6 year(s). Which means there will be less support and parts availability for 1999 Opel Astra. In addition, the cost of maintenance, including insurance, on 1999 Opel Astra would be higher. At 2,983 cc (6 cylinders), 2005 Audi A4 is equipped with a bigger engine. In terms of performance, 2005 Audi A4 (223 HP @ 6500 RPM) has 135 more horse power than 1999 Opel Astra. (88 HP @ 6000 RPM). In normal driving conditions, 2005 Audi A4 should accelerate faster than 1999 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A4 weights approximately 505 kg more than 1999 Opel Astra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 1999 Opel Astra. In wet, icy, snow, or gravel driving conditions, 2005 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, 2005 Audi A4 (300 Nm) has 175 more torque (in Nm) than 1999 Opel Astra. (125 Nm). This means 2005 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1999 Opel Astra.
Compare all specifications:
| 2005 Audi A4 | 1999 Opel Astra | |
| Make | Audi | Opel |
| Model | A4 | Astra |
| Year Released | 2005 | 1999 |
| Engine Position | Front | Front |
| Engine Size | 2983 cc | 1389 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 223 HP | 88 HP |
| Engine RPM | 6500 RPM | 6000 RPM |
| Torque | 300 Nm | 125 Nm |
| Engine Bore Size | 83.1 mm | 77.6 mm |
| Engine Stroke Size | 93 mm | 73.4 mm |
| Drive Type | 4WD | Front |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1695 kg | 1190 kg |
| Vehicle Length | 4550 mm | 4300 mm |
| Vehicle Width | 1770 mm | 1720 mm |
| Vehicle Height | 1430 mm | 1470 mm |
| Wheelbase Size | 2580 mm | 2620 mm |
