2009 Audi A5 vs. 1998 Opel Astra
To start off, 2009 Audi A5 is newer by 11 year(s). Which means there will be less support and parts availability for 1998 Opel Astra. In addition, the cost of maintenance, including insurance, on 1998 Opel Astra would be higher. At 2,698 cc (6 cylinders), 2009 Audi A5 is equipped with a bigger engine. In terms of performance, 2009 Audi A5 (187 HP @ 3500 RPM) has 102 more horse power than 1998 Opel Astra. (85 HP @ 4400 RPM). In normal driving conditions, 2009 Audi A5 should accelerate faster than 1998 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A5 weights approximately 295 kg more than 1998 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 A5 (400 Nm @ 1400 RPM) has 215 more torque (in Nm) than 1998 Opel Astra. (185 Nm @ 1800 RPM). This means 2009 Audi A5 will have an easier job in driving up hills or pulling heavy equipment than 1998 Opel Astra.
Compare all specifications:
| 2009 Audi A5 | 1998 Opel Astra | |
| Make | Audi | Opel |
| Model | A5 | Astra |
| Year Released | 2009 | 1998 |
| Engine Position | Front | Front |
| Engine Size | 2698 cc | 1998 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 187 HP | 85 HP |
| Engine RPM | 3500 RPM | 4400 RPM |
| Torque | 400 Nm | 185 Nm |
| Torque RPM | 1400 RPM | 1800 RPM |
| Engine Bore Size | 83 mm | 84 mm |
| Engine Stroke Size | 83.1 mm | 90 mm |
| Engine Compression Ratio | 16.8:1 | 6.0:1 |
| Fuel Type | Diesel | Diesel |
| Drive Type | Front | Front |
| Number of Seats | 4 seats | 5 seats |
| Vehicle Weight | 1575 kg | 1280 kg |
| Vehicle Length | 4630 mm | 4300 mm |
| Vehicle Width | 1860 mm | 1720 mm |
| Vehicle Height | 1380 mm | 1470 mm |
| Wheelbase Size | 2760 mm | 2620 mm |
