2004 Audi A3 vs. 2005 Opel Astra
To start off, 2005 Opel Astra is newer by 1 year(s). Which means there will be less support and parts availability for 2004 Audi A3. In addition, the cost of maintenance, including insurance, on 2004 Audi A3 would be higher. At 1,984 cc (4 cylinders), 2004 Audi A3 is equipped with a bigger engine. In terms of performance, 2005 Opel Astra (114 HP @ 5400 RPM) has 10 more horse power than 2004 Audi A3. (104 HP @ 4000 RPM) In normal driving conditions, 2005 Opel Astra should accelerate faster than 2004 Audi A3. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi A3 weights approximately 155 kg more than 2005 Opel Astra.
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 A3 (251 Nm @ 1900 RPM) has 78 more torque (in Nm) than 2005 Opel Astra. (173 Nm @ 3400 RPM). This means 2004 Audi A3 will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Astra.
Compare all specifications:
| 2004 Audi A3 | 2005 Opel Astra | |
| Make | Audi | Opel |
| Model | A3 | Astra |
| Year Released | 2004 | 2005 |
| Body Type | Hatchback | Coupe |
| Engine Position | Front | Front |
| Engine Size | 1984 cc | 1796 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 104 HP | 114 HP |
| Engine RPM | 4000 RPM | 5400 RPM |
| Torque | 251 Nm | 173 Nm |
| Torque RPM | 1900 RPM | 3400 RPM |
| Engine Bore Size | 79.5 mm | 80.6 mm |
| Engine Stroke Size | 95.5 mm | 88.2 mm |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1340 kg | 1185 kg |
| Vehicle Length | 4290 mm | 4260 mm |
| Vehicle Width | 1770 mm | 1720 mm |
| Vehicle Height | 1430 mm | 1400 mm |
| Wheelbase Size | 2580 mm | 2610 mm |
| Fuel Tank Capacity | 55 L | 52 L |
