2004 Audi A4 vs. 2001 Opel Astra
To start off, 2004 Audi A4 is newer by 3 year(s). Which means there will be less support and parts availability for 2001 Opel Astra. In addition, the cost of maintenance, including insurance, on 2001 Opel Astra would be higher. At 1,781 cc (4 cylinders), 2004 Audi A4 is equipped with a bigger engine. In terms of performance, 2004 Audi A4 (160 HP @ 5700 RPM) has 60 more horse power than 2001 Opel Astra. (100 HP @ 5800 RPM). In normal driving conditions, 2004 Audi A4 should accelerate faster than 2001 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2001 Opel Astra weights approximately 15 kg more than 2004 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, 2004 Audi A4 (225 Nm @ 1950 RPM) has 75 more torque (in Nm) than 2001 Opel Astra. (150 Nm @ 3600 RPM). This means 2004 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2001 Opel Astra.
Compare all specifications:
| 2004 Audi A4 | 2001 Opel Astra | |
| Make | Audi | Opel |
| Model | A4 | Astra |
| Year Released | 2004 | 2001 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 1781 cc | 1584 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 160 HP | 100 HP |
| Engine RPM | 5700 RPM | 5800 RPM |
| Torque | 225 Nm | 150 Nm |
| Torque RPM | 1950 RPM | 3600 RPM |
| Engine Bore Size | 81.1 mm | 79 mm |
| Engine Stroke Size | 86.4 mm | 81.5 mm |
| Engine Compression Ratio | 9.3:1 | 10.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1335 kg | 1350 kg |
| Vehicle Length | 4550 mm | 4280 mm |
| Vehicle Width | 1780 mm | 1720 mm |
| Vehicle Height | 1430 mm | 1470 mm |
| Wheelbase Size | 2470 mm | 2620 mm |
| Fuel Tank Capacity | 70 L | 52 L |
