2009 Audi TT vs. 2006 Opel Astra
To start off, 2009 Audi TT 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 1,983 cc (4 cylinders), 2009 Audi TT is equipped with a bigger engine. In terms of performance, 2009 Audi TT (268 HP @ 2500 RPM) has 145 more horse power than 2006 Opel Astra. (123 HP @ 5600 RPM). In normal driving conditions, 2009 Audi TT should accelerate faster than 2006 Opel Astra.
Because 2009 Audi TT is four wheel drive (4WD), it will have significant more traction and grip than 2006 Opel Astra. In wet, icy, snow, or gravel driving conditions, 2009 Audi TT will offer significantly more control. 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 TT (350 Nm @ 2500 RPM) has 180 more torque (in Nm) than 2006 Opel Astra. (170 Nm @ 3800 RPM). This means 2009 Audi TT will have an easier job in driving up hills or pulling heavy equipment than 2006 Opel Astra.
Compare all specifications:
| 2009 Audi TT | 2006 Opel Astra | |
| Make | Audi | Opel |
| Model | TT | Astra |
| Year Released | 2009 | 2006 |
| Engine Position | Front | Front |
| Engine Size | 1983 cc | 1796 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 268 HP | 123 HP |
| Engine RPM | 2500 RPM | 5600 RPM |
| Torque | 350 Nm | 170 Nm |
| Torque RPM | 2500 RPM | 3800 RPM |
| Engine Bore Size | 82.5 mm | 80.5 mm |
| Engine Stroke Size | 92.8 mm | 88.2 mm |
| Engine Compression Ratio | 10.5:1 | 10.5:1 |
| Drive Type | 4WD | Front |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Length | 4200 mm | 4260 mm |
| Vehicle Width | 1850 mm | 1760 mm |
| Vehicle Height | 1350 mm | 1470 mm |
| Wheelbase Size | 2470 mm | 2620 mm |
| Fuel Tank Capacity | 55 L | 52 L |
