2005 Opel Astra vs. 2006 Audi A3
To start off, 2006 Audi A3 is newer by 1 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 1,968 cc (4 cylinders), 2006 Audi A3 is equipped with a bigger engine. In terms of performance, 2006 Audi A3 (138 HP @ 4000 RPM) has 53 more horse power than 2005 Opel Astra. (85 HP @ 5800 RPM) In normal driving conditions, 2006 Audi A3 should accelerate faster than 2005 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2006 Audi A3 weights approximately 130 kg more than 2005 Opel Astra. 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, 2006 Audi A3 (320 Nm @ 1750 RPM) has 193 more torque (in Nm) than 2005 Opel Astra. (127 Nm @ 4000 RPM). This means 2006 Audi A3 will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Astra. 2006 Audi A3 has automatic transmission and 2005 Opel Astra has manual transmission. 2005 Opel Astra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2006 Audi A3 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Opel Astra | 2006 Audi A3 | |
| Make | Opel | Audi |
| Model | Astra | A3 |
| Year Released | 2005 | 2006 |
| Engine Position | Front | Front |
| Engine Size | 1388 cc | 1968 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 85 HP | 138 HP |
| Engine RPM | 5800 RPM | 4000 RPM |
| Torque | 127 Nm | 320 Nm |
| Torque RPM | 4000 RPM | 1750 RPM |
| Engine Bore Size | 73.4 mm | 81 mm |
| Engine Stroke Size | 80.6 mm | 95.5 mm |
| Engine Compression Ratio | 10.5:1 | 18.0:1 |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Front | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1250 kg | 1380 kg |
| Vehicle Length | 4520 mm | 4290 mm |
| Vehicle Width | 1800 mm | 1770 mm |
| Vehicle Height | 1510 mm | 1430 mm |
| Wheelbase Size | 3010 mm | 2580 mm |
