1999 Audi A4 vs. 2008 Opel Astra
To start off, 2008 Opel Astra is newer by 9 year(s). Which means there will be less support and parts availability for 1999 Audi A4. In addition, the cost of maintenance, including insurance, on 1999 Audi A4 would be higher. At 1,794 cc (4 cylinders), 2008 Opel Astra is equipped with a bigger engine. In terms of performance, 1999 Audi A4 (248 HP @ 5700 RPM) has 125 more horse power than 2008 Opel Astra. (123 HP @ 5600 RPM). In normal driving conditions, 1999 Audi A4 should accelerate faster than 2008 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2008 Opel Astra weights approximately 25 kg more than 1999 Audi A4.
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, 1999 Audi A4 (320 Nm @ 1750 RPM) has 150 more torque (in Nm) than 2008 Opel Astra. (170 Nm @ 3800 RPM). This means 1999 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2008 Opel Astra.
Compare all specifications:
| 1999 Audi A4 | 2008 Opel Astra | |
| Make | Audi | Opel |
| Model | A4 | Astra |
| Year Released | 1999 | 2008 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 1781 cc | 1794 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 248 HP | 123 HP |
| Engine RPM | 5700 RPM | 5600 RPM |
| Torque | 320 Nm | 170 Nm |
| Torque RPM | 1750 RPM | 3800 RPM |
| Engine Bore Size | 81 mm | 80.5 mm |
| Engine Stroke Size | 86.4 mm | 88.2 mm |
| Engine Compression Ratio | 9.5:1 | 10.5:1 |
| Top Speed | 214 km/hour | 198 km/hour |
| Acceleration 0-100mph | 9.6 seconds | 10.9 seconds |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1300 kg | 1325 kg |
| Vehicle Length | 4480 mm | 4520 mm |
| Vehicle Width | 1740 mm | 1800 mm |
| Vehicle Height | 1420 mm | 1510 mm |
| Wheelbase Size | 2620 mm | 2710 mm |
| Fuel Tank Capacity | 62 L | 52 L |
