2009 Audi A4 vs. 1997 Opel Astra
To start off, 2009 Audi A4 is newer by 12 year(s). Which means there will be less support and parts availability for 1997 Opel Astra. In addition, the cost of maintenance, including insurance, on 1997 Opel Astra would be higher. At 2,495 cc (6 cylinders), 2009 Audi A4 is equipped with a bigger engine. In terms of performance, 2009 Audi A4 (161 HP @ 4000 RPM) has 88 more horse power than 1997 Opel Astra. (73 HP @ 4400 RPM). In normal driving conditions, 2009 Audi A4 should accelerate faster than 1997 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A4 weights approximately 440 kg more than 1997 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, 2009 Audi A4 (350 Nm @ 1500 RPM) has 185 more torque (in Nm) than 1997 Opel Astra. (165 Nm @ 1800 RPM). This means 2009 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1997 Opel Astra.
Compare all specifications:
| 2009 Audi A4 | 1997 Opel Astra | |
| Make | Audi | Opel |
| Model | A4 | Astra |
| Year Released | 2009 | 1997 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2495 cc | 1698 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 161 HP | 73 HP |
| Engine RPM | 4000 RPM | 4400 RPM |
| Torque | 350 Nm | 165 Nm |
| Torque RPM | 1500 RPM | 1800 RPM |
| Engine Bore Size | 78.3 mm | 79 mm |
| Engine Stroke Size | 86.4 mm | 86 mm |
| Engine Compression Ratio | 18.0:1 | 18.4:1 |
| Top Speed | 225 km/hour | 170 km/hour |
| Acceleration 0-100mph | 9.7 seconds | 14.8 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1720 kg | 1280 kg |
| Vehicle Length | 4580 mm | 4250 mm |
| Vehicle Width | 1780 mm | 1700 mm |
| Vehicle Height | 1400 mm | 1480 mm |
| Wheelbase Size | 2660 mm | 2610 mm |
| Fuel Tank Capacity | 70 L | 52 L |
