2008 Audi A8 vs. 2009 Audi TT
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 5,204 cc (10 cylinders), 2008 Audi A8 is equipped with a bigger engine. In terms of performance, 2008 Audi A8 (444 HP @ 7000 RPM) has 247 more horse power than 2009 Audi TT. (197 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 605 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 (541 Nm @ 3500 RPM) has 261 more torque (in Nm) than 2009 Audi TT. (280 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:
| 2008 Audi A8 | 2009 Audi TT | |
| Make | Audi | Audi |
| Model | A8 | TT |
| Year Released | 2008 | 2009 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 5204 cc | 1982 cc |
| Engine Cylinders | 10 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 444 HP | 197 HP |
| Engine RPM | 7000 RPM | 5100 RPM |
| Torque | 541 Nm | 280 Nm |
| Torque RPM | 3500 RPM | 1800 RPM |
| Engine Bore Size | 84.5 mm | 82.5 mm |
| Engine Stroke Size | 92.8 mm | 92.8 mm |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 250 km/hour | 240 km/hour |
| Acceleration 0-100mph | 5.1 seconds | 6.6 seconds |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1940 kg | 1335 kg |
| Vehicle Length | 5070 mm | 4180 mm |
| Vehicle Width | 1900 mm | 1850 mm |
| Vehicle Height | 1430 mm | 1360 mm |
| Wheelbase Size | 2950 mm | 2470 mm |
| Fuel Consumption Overall | 13.4 L/100km | 7.7 L/100km |
| Fuel Tank Capacity | 90 L | 55 L |
