2005 Audi A3 vs. 2008 Opel Astra
To start off, 2008 Opel Astra is newer by 3 year(s). Which means there will be less support and parts availability for 2005 Audi A3. In addition, the cost of maintenance, including insurance, on 2005 Audi A3 would be higher. At 1,794 cc (4 cylinders), 2008 Opel Astra is equipped with a bigger engine. In terms of performance, 2008 Opel Astra (123 HP @ 5600 RPM) has 10 more horse power than 2005 Audi A3. (113 HP @ 5800 RPM) In normal driving conditions, 2008 Opel Astra should accelerate faster than 2005 Audi A3. With that said, vehicle weight also plays an important factor in acceleration. 2008 Opel Astra weights approximately 60 kg more than 2005 Audi A3. 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, 2008 Opel Astra (170 Nm @ 3800 RPM) has 15 more torque (in Nm) than 2005 Audi A3. (155 Nm @ 4000 RPM). This means 2008 Opel Astra will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi A3.
Compare all specifications:
| 2005 Audi A3 | 2008 Opel Astra | |
| Make | Audi | Opel |
| Model | A3 | Astra |
| Year Released | 2005 | 2008 |
| Body Type | Hatchback | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 1598 cc | 1794 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 113 HP | 123 HP |
| Engine RPM | 5800 RPM | 5600 RPM |
| Torque | 155 Nm | 170 Nm |
| Torque RPM | 4000 RPM | 3800 RPM |
| Engine Compression Ratio | 12.0:1 | 10.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 191 km/hour | 198 km/hour |
| Acceleration 0-100mph | 11.1 seconds | 10.9 seconds |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1265 kg | 1325 kg |
| Vehicle Length | 4290 mm | 4520 mm |
| Vehicle Width | 1770 mm | 1800 mm |
| Vehicle Height | 1430 mm | 1510 mm |
| Wheelbase Size | 2660 mm | 2710 mm |
| Fuel Consumption Overall | 6.6 L/100km | 7.8 L/100km |
| Fuel Tank Capacity | 55 L | 52 L |
