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 2,975 cc (6 cylinders), 2008 Audi A8 is equipped with a bigger engine. In terms of performance, 2008 Audi A8 (217 HP @ 6300 RPM) has 69 more horse power than 2005 Audi TT. (148 HP @ 5600 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 390 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 front wheel drive (FWD). Which offers better traction when its slippery than 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 (300 Nm @ 8200 RPM) has 90 more torque (in Nm) than 2005 Audi TT. (210 Nm @ 1750 RPM). 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 | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1781 cc | 2975 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 5 valves | 5 valves |
| Horse Power | 148 HP | 217 HP |
| Engine RPM | 5600 RPM | 6300 RPM |
| Torque | 210 Nm | 300 Nm |
| Torque RPM | 1750 RPM | 8200 RPM |
| Engine Bore Size | 81 mm | 82.5 mm |
| Engine Stroke Size | 86.4 mm | 92.8 mm |
| Engine Compression Ratio | 10.0:1 | 11.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1280 kg | 1670 kg |
| Vehicle Length | 4010 mm | 5060 mm |
| Vehicle Width | 1770 mm | 1900 mm |
| Vehicle Height | 1350 mm | 1450 mm |
| Wheelbase Size | 2430 mm | 2950 mm |
| Fuel Tank Capacity | 62 L | 90 L |
