2009 Audi A8 vs. 2006 Audi TT
To start off, 2009 Audi A8 is newer by 3 year(s). Which means there will be less support and parts availability for 2006 Audi TT. In addition, the cost of maintenance, including insurance, on 2006 Audi TT would be higher. At 4,172 cc (8 cylinders), 2009 Audi A8 is equipped with a bigger engine. In terms of performance, 2009 Audi A8 (330 HP @ 6500 RPM) has 105 more horse power than 2006 Audi TT. (225 HP @ 5900 RPM). In normal driving conditions, 2009 Audi A8 should accelerate faster than 2006 Audi TT. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A8 weights approximately 390 kg more than 2006 Audi TT. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Audi A8 is four wheel drive (4WD), it will have significant more traction and grip than 2006 Audi TT. In wet, icy, snow, or gravel driving conditions, 2009 Audi A8 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 A8 (430 Nm @ 3500 RPM) has 148 more torque (in Nm) than 2006 Audi TT. (282 Nm @ 2200 RPM). This means 2009 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2006 Audi TT.
Compare all specifications:
| 2009 Audi A8 | 2006 Audi TT | |
| Make | Audi | Audi |
| Model | A8 | TT |
| Year Released | 2009 | 2006 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 4172 cc | 1786 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 5 valves |
| Horse Power | 330 HP | 225 HP |
| Engine RPM | 6500 RPM | 5900 RPM |
| Torque | 430 Nm | 282 Nm |
| Torque RPM | 3500 RPM | 2200 RPM |
| Engine Bore Size | 84.5 mm | 81 mm |
| Engine Stroke Size | 93 mm | 86.4 mm |
| Drive Type | 4WD | Front |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1855 kg | 1465 kg |
| Vehicle Length | 5060 mm | 4050 mm |
| Vehicle Width | 1900 mm | 1860 mm |
| Vehicle Height | 1450 mm | 1350 mm |
| Wheelbase Size | 2950 mm | 2430 mm |
| Fuel Consumption Overall | 11.9 L/100km | 10.2 L/100km |
| Fuel Tank Capacity | 90 L | 62 L |
