2009 Audi A5 vs. 2006 Opel Astra
To start off, 2009 Audi A5 is newer by 3 year(s). Which means there will be less support and parts availability for 2006 Opel Astra. In addition, the cost of maintenance, including insurance, on 2006 Opel Astra would be higher. At 1,798 cc (4 cylinders), 2009 Audi A5 is equipped with a bigger engine. In terms of performance, 2009 Audi A5 (168 HP @ 4800 RPM) has 64 more horse power than 2006 Opel Astra. (104 HP @ 6000 RPM). In normal driving conditions, 2009 Audi A5 should accelerate faster than 2006 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2006 Opel Astra weights approximately 120 kg more than 2009 Audi A5.
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, 2009 Audi A5 (250 Nm @ 1500 RPM) has 99 more torque (in Nm) than 2006 Opel Astra. (151 Nm @ 3900 RPM). This means 2009 Audi A5 will have an easier job in driving up hills or pulling heavy equipment than 2006 Opel Astra.
Compare all specifications:
| 2009 Audi A5 | 2006 Opel Astra | |
| Make | Audi | Opel |
| Model | A5 | Astra |
| Year Released | 2009 | 2006 |
| Engine Position | Front | Front |
| Engine Size | 1798 cc | 1598 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 168 HP | 104 HP |
| Engine RPM | 4800 RPM | 6000 RPM |
| Torque | 250 Nm | 151 Nm |
| Torque RPM | 1500 RPM | 3900 RPM |
| Engine Bore Size | 82.6 mm | 79 mm |
| Engine Stroke Size | 84.1 mm | 81.5 mm |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Acceleration 0-100mph | 8.4 seconds | 14.1 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1395 kg | 1515 kg |
| Vehicle Length | 4630 mm | 4480 mm |
| Vehicle Width | 1860 mm | 2030 mm |
| Vehicle Height | 1380 mm | 1840 mm |
| Wheelbase Size | 2760 mm | 2620 mm |
| Fuel Consumption Overall | 7.1 L/100km | 7 L/100km |
| Fuel Tank Capacity | 65 L | 52 L |
