2006 Audi TT vs. 2008 Audi A8
To start off, 2008 Audi A8 is newer by 2 year(s). Which means there will be less support and parts availability for 2006 Audi TT. In addition, the cost of maintenance, including insurance, on 2006 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 50 more horse power than 2006 Audi TT. (180 HP @ 5500 RPM) In normal driving conditions, 2008 Audi A8 should accelerate faster than 2006 Audi TT. With that said, vehicle weight also plays an important factor in acceleration. 2006 Audi TT weights approximately 50 kg more than 2008 Audi A8.
Because 2008 Audi A8 is four wheel drive (4WD), it will have significant more traction and grip than 2006 Audi TT. In wet, icy, snow, or gravel driving conditions, 2008 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, 2008 Audi A8 (450 Nm @ 1400 RPM) has 215 more torque (in Nm) than 2006 Audi TT. (235 Nm @ 1950 RPM). This means 2008 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2006 Audi TT.
Compare all specifications:
| 2006 Audi TT | 2008 Audi A8 | |
| Make | Audi | Audi |
| Model | TT | A8 |
| Year Released | 2006 | 2008 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1785 cc | 2967 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 180 HP | 230 HP |
| Engine RPM | 5500 RPM | 4000 RPM |
| Torque | 235 Nm | 450 Nm |
| Torque RPM | 1950 RPM | 1400 RPM |
| Engine Compression Ratio | 10.0:1 | 17.0:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Drive Type | Front | 4WD |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1880 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 | 9.8 L/100km | 8.4 L/100km |
| Fuel Tank Capacity | 55 L | 90 L |
