2009 Audi TT vs. 2008 Audi A8
To start off, 2009 Audi TT is newer by 1 year(s). Which means there will be less support and parts availability for 2008 Audi A8. In addition, the cost of maintenance, including insurance, on 2008 Audi A8 would be higher. At 4,163 cc (8 cylinders), 2008 Audi A8 is equipped with a bigger engine. In terms of performance, 2008 Audi A8 (350 HP @ 6800 RPM) has 150 more horse power than 2009 Audi TT. (200 HP @ 5100 RPM) In normal driving conditions, 2008 Audi A8 should accelerate faster than 2009 Audi TT. With that said, vehicle weight also plays an important factor in acceleration. 2008 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 2008 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, 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 (442 Nm @ 3500 RPM) has 161 more torque (in Nm) than 2009 Audi TT. (281 Nm @ 1800 RPM). This means 2008 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi TT.
Compare all specifications:
| 2009 Audi TT | 2008 Audi A8 | |
| Make | Audi | Audi |
| Model | TT | A8 |
| Year Released | 2009 | 2008 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1984 cc | 4163 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 200 HP | 350 HP |
| Engine RPM | 5100 RPM | 6800 RPM |
| Torque | 281 Nm | 442 Nm |
| Torque RPM | 1800 RPM | 3500 RPM |
| Engine Bore Size | 82.6 mm | 84.5 mm |
| Engine Stroke Size | 92.8 mm | 92.8 mm |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Front | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 895 kg | 1960 kg |
| Vehicle Length | 4180 mm | 5070 mm |
| Vehicle Width | 1850 mm | 1900 mm |
| Vehicle Height | 1370 mm | 1450 mm |
| Wheelbase Size | 2480 mm | 2950 mm |
| Fuel Consumption | 7.8 L/100km | 10.2 L/100km |
| Fuel Consumption City | 10.7 L/100km | 14.7 L/100km |
| Fuel Consumption Overall | 9.4 L/100km | 13.1 L/100km |
| Fuel Tank Capacity | 55 L | 90 L |
