2009 Audi TT vs. 2005 Audi A8
To start off, 2009 Audi TT is newer by 4 year(s). Which means there will be less support and parts availability for 2005 Audi A8. In addition, the cost of maintenance, including insurance, on 2005 Audi A8 would be higher. At 5,998 cc, 2005 Audi A8 is equipped with a bigger engine. In terms of performance, 2005 Audi A8 (450 HP @ 6300 RPM) has 203 more horse power than 2009 Audi TT. (247 HP @ 6300 RPM) In normal driving conditions, 2005 Audi A8 should accelerate faster than 2009 Audi TT. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A8 weights approximately 1215 kg more than 2009 Audi TT. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Audi A8 is four wheel drive (4WD), it will have significant more traction and grip than 2009 Audi TT. In wet, icy, snow, or gravel driving conditions, 2005 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, 2005 Audi A8 (560 Nm) has 240 more torque (in Nm) than 2009 Audi TT. (320 Nm). This means 2005 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi TT.
Compare all specifications:
| 2009 Audi TT | 2005 Audi A8 | |
| Make | Audi | Audi |
| Model | TT | A8 |
| Year Released | 2009 | 2005 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3188 cc | 5998 cc |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 247 HP | 450 HP |
| Engine RPM | 6300 RPM | 6300 RPM |
| Torque | 320 Nm | 560 Nm |
| Engine Bore Size | 84 mm | 84.1 mm |
| Engine Stroke Size | 95.9 mm | 90 mm |
| Engine Compression Ratio | 11.3:1 | 11.0:1 |
| Drive Type | Front | 4WD |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 930 kg | 2145 kg |
| Vehicle Length | 4180 mm | 5200 mm |
| Vehicle Width | 1850 mm | 1900 mm |
| Vehicle Height | 1360 mm | 1460 mm |
| Wheelbase Size | 2470 mm | 3080 mm |
| Fuel Consumption Overall | 6.8 L/100km | 13.8 L/100km |
| Fuel Tank Capacity | 55 L | 90 L |
