2005 Audi TT vs. 2008 Audi A8
To start off, 2008 Audi A8 is newer by 3 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 2,967 cc (6 cylinders), 2008 Audi A8 is equipped with a bigger engine. In terms of performance, 2008 Audi A8 (230 HP @ 4000 RPM) has 5 more horse power than 2005 Audi TT. (225 HP @ 4000 RPM) In normal driving conditions, 2008 Audi A8 should accelerate faster than 2005 Audi TT. With that said, vehicle weight also plays an important factor in acceleration. 2008 Audi A8 weights approximately 295 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, 2008 Audi A8 (450 Nm) has 169 more torque (in Nm) than 2005 Audi TT. (281 Nm). This means 2008 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi TT.
Compare all specifications:
| 2005 Audi TT | 2008 Audi A8 | |
| Make | Audi | Audi |
| Model | TT | A8 |
| Year Released | 2005 | 2008 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1784 cc | 2967 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 225 HP | 230 HP |
| Engine RPM | 4000 RPM | 4000 RPM |
| Torque | 281 Nm | 450 Nm |
| Engine Compression Ratio | 9.0:1 | 17.0:1 |
| Drive Type | 4WD | 4WD |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1535 kg | 1830 kg |
| Vehicle Length | 4050 mm | 5190 mm |
| Vehicle Width | 1860 mm | 1900 mm |
| Vehicle Height | 1350 mm | 1450 mm |
| Wheelbase Size | 2430 mm | 3080 mm |
| Fuel Consumption Overall | 10.2 L/100km | 8.4 L/100km |
| Fuel Tank Capacity | 62 L | 90 L |
