1998 Audi A4 vs. 2005 Opel Astra
To start off, 2005 Opel Astra is newer by 7 year(s). Which means there will be less support and parts availability for 1998 Audi A4. In addition, the cost of maintenance, including insurance, on 1998 Audi A4 would be higher. At 2,495 cc (6 cylinders), 1998 Audi A4 is equipped with a bigger engine. In terms of performance, 2005 Opel Astra (198 HP @ 5600 RPM) has 50 more horse power than 1998 Audi A4. (148 HP @ 4000 RPM) In normal driving conditions, 2005 Opel Astra should accelerate faster than 1998 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2005 Opel Astra weights approximately 190 kg more than 1998 Audi A4. 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, 1998 Audi A4 (310 Nm @ 1500 RPM) has 60 more torque (in Nm) than 2005 Opel Astra. (250 Nm @ 1950 RPM). This means 1998 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Astra.
Compare all specifications:
| 1998 Audi A4 | 2005 Opel Astra | |
| Make | Audi | Opel |
| Model | A4 | Astra |
| Year Released | 1998 | 2005 |
| Body Type | Station Wagon | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2495 cc | 1979 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 148 HP | 198 HP |
| Engine RPM | 4000 RPM | 5600 RPM |
| Torque | 310 Nm | 250 Nm |
| Torque RPM | 1500 RPM | 1950 RPM |
| Engine Bore Size | 78.3 mm | 86 mm |
| Engine Stroke Size | 86.4 mm | 86 mm |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 3 doors |
| Vehicle Weight | 1580 kg | 1770 kg |
| Wheelbase Size | 2610 mm | 2840 mm |
| Fuel Tank Capacity | 60 L | 52 L |
