2007 Audi A3 vs. 2005 Opel Astra
To start off, 2007 Audi A3 is newer by 2 year(s). Which means there will be less support and parts availability for 2005 Opel Astra. In addition, the cost of maintenance, including insurance, on 2005 Opel Astra would be higher. At 1,909 cc (4 cylinders), 2005 Opel Astra is equipped with a bigger engine. In terms of performance, 2005 Opel Astra (197 HP @ 5600 RPM) has 84 more horse power than 2007 Audi A3. (113 HP @ 6000 RPM) In normal driving conditions, 2005 Opel Astra should accelerate faster than 2007 Audi A3. With that said, vehicle weight also plays an important factor in acceleration. 2005 Opel Astra weights approximately 146 kg more than 2007 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, 2005 Opel Astra (250 Nm @ 1950 RPM) has 95 more torque (in Nm) than 2007 Audi A3. (155 Nm @ 4000 RPM). This means 2005 Opel Astra will have an easier job in driving up hills or pulling heavy equipment than 2007 Audi A3.
Compare all specifications:
| 2007 Audi A3 | 2005 Opel Astra | |
| Make | Audi | Opel |
| Model | A3 | Astra |
| Year Released | 2007 | 2005 |
| Body Type | Hatchback | Coupe |
| Engine Position | Front | Front |
| Engine Size | 1598 cc | 1909 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 113 HP | 197 HP |
| Engine RPM | 6000 RPM | 5600 RPM |
| Torque | 155 Nm | 250 Nm |
| Torque RPM | 4000 RPM | 1950 RPM |
| Engine Bore Size | 76.5 mm | 86 mm |
| Engine Stroke Size | 86.9 mm | 86 mm |
| Engine Compression Ratio | 12.0:1 | 8.8:1 |
| Top Speed | 196 km/hour | 245 km/hour |
| Acceleration 0-100mph | 11.1 seconds | 7.5 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1344 kg | 1490 kg |
| Vehicle Length | 4290 mm | 4270 mm |
| Vehicle Width | 1770 mm | 1720 mm |
| Vehicle Height | 1430 mm | 1400 mm |
| Wheelbase Size | 2580 mm | 2640 mm |
| Fuel Consumption Overall | 6.6 L/100km | 9.1 L/100km |
| Fuel Tank Capacity | 55 L | 52 L |
