2006 Audi A8 vs. 2005 Audi TT
To start off, 2006 Audi A8 is newer by 1 year(s). Which means there will be less support and parts availability for 2005 Audi TT. In addition, the cost of maintenance, including insurance, on 2005 Audi TT would be higher. At 4,172 cc (8 cylinders), 2006 Audi A8 is equipped with a bigger engine. In terms of performance, 2006 Audi A8 (329 HP @ 6500 RPM) has 104 more horse power than 2005 Audi TT. (225 HP @ 4000 RPM). In normal driving conditions, 2006 Audi A8 should accelerate faster than 2005 Audi TT. With that said, vehicle weight also plays an important factor in acceleration. 2006 Audi A8 weights approximately 320 kg more than 2005 Audi TT. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or 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, 2006 Audi A8 (430 Nm) has 149 more torque (in Nm) than 2005 Audi TT. (281 Nm). This means 2006 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi TT.
Compare all specifications:
| 2006 Audi A8 | 2005 Audi TT | |
| Make | Audi | Audi |
| Model | A8 | TT |
| Year Released | 2006 | 2005 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 4172 cc | 1784 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 5 valves |
| Horse Power | 329 HP | 225 HP |
| Engine RPM | 6500 RPM | 4000 RPM |
| Torque | 430 Nm | 281 Nm |
| Engine Bore Size | 84.6 mm | 81 mm |
| Engine Stroke Size | 93 mm | 86 mm |
| Engine Compression Ratio | 11.0:1 | 9.0:1 |
| Drive Type | 4WD | 4WD |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1855 kg | 1535 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 | 8.8 L/100km | 10.2 L/100km |
| Fuel Tank Capacity | 90 L | 62 L |
