2005 Audi A3 vs. 2007 Opel Astra
To start off, 2007 Opel Astra is newer by 2 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 1,908 cc (4 cylinders), 2007 Opel Astra is equipped with a bigger engine. In terms of performance, 2007 Opel Astra (148 HP @ 4000 RPM) has 35 more horse power than 2005 Audi A3. (113 HP @ 5800 RPM) In normal driving conditions, 2007 Opel Astra should accelerate faster than 2005 Audi A3. With that said, vehicle weight also plays an important factor in acceleration. 2007 Opel Astra weights approximately 128 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, 2007 Opel Astra (320 Nm @ 2000 RPM) has 165 more torque (in Nm) than 2005 Audi A3. (155 Nm @ 4000 RPM). This means 2007 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 | 2007 Opel Astra | |
| Make | Audi | Opel |
| Model | A3 | Astra |
| Year Released | 2005 | 2007 |
| Body Type | Hatchback | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1598 cc | 1908 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 113 HP | 148 HP |
| Engine RPM | 5800 RPM | 4000 RPM |
| Torque | 155 Nm | 320 Nm |
| Torque RPM | 4000 RPM | 2000 RPM |
| Engine Compression Ratio | 12.0:1 | 17.5:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Top Speed | 191 km/hour | 210 km/hour |
| Acceleration 0-100mph | 11.1 seconds | 8.9 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 3 doors |
| Vehicle Weight | 1265 kg | 1393 kg |
| Vehicle Length | 4290 mm | 4300 mm |
| Vehicle Width | 1770 mm | 1760 mm |
| Vehicle Height | 1430 mm | 1440 mm |
| Wheelbase Size | 2660 mm | 2620 mm |
| Fuel Consumption Overall | 6.6 L/100km | 5.8 L/100km |
| Fuel Tank Capacity | 55 L | 52 L |
