2005 Audi A8 vs. 2009 Audi TT
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 (444 HP @ 6200 RPM) has 243 more horse power than 2009 Audi TT. (201 HP @ 5100 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 1065 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 (580 Nm @ 4000 RPM) has 299 more torque (in Nm) than 2009 Audi TT. (281 Nm @ 1800 RPM). 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:
| 2005 Audi A8 | 2009 Audi TT | |
| Make | Audi | Audi |
| Model | A8 | TT |
| Year Released | 2005 | 2009 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 5998 cc | 1984 cc |
| Engine Type | W | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 444 HP | 201 HP |
| Engine RPM | 6200 RPM | 5100 RPM |
| Torque | 580 Nm | 281 Nm |
| Torque RPM | 4000 RPM | 1800 RPM |
| Engine Bore Size | 84 mm | 82.5 mm |
| Engine Stroke Size | 90.2 mm | 92.8 mm |
| Engine Compression Ratio | 11.0:1 | 10.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1995 kg | 930 kg |
| Vehicle Length | 5070 mm | 4180 mm |
| Vehicle Width | 1900 mm | 1850 mm |
| Vehicle Height | 1450 mm | 1370 mm |
| Wheelbase Size | 3080 mm | 2480 mm |
| Fuel Consumption Overall | 13.8 L/100km | 9.1 L/100km |
| Fuel Tank Capacity | 90 L | 55 L |
