2009 Audi A8 vs. 2007 Audi TT
To start off, 2009 Audi A8 is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Audi TT. In addition, the cost of maintenance, including insurance, on 2007 Audi TT would be higher. At 4,134 cc (8 cylinders), 2009 Audi A8 is equipped with a bigger engine. In terms of performance, 2009 Audi A8 (322 HP @ 3750 RPM) has 75 more horse power than 2007 Audi TT. (247 HP @ 6300 RPM). In normal driving conditions, 2009 Audi A8 should accelerate faster than 2007 Audi TT. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A8 weights approximately 535 kg more than 2007 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, 2009 Audi A8 (650 Nm @ 1600 RPM) has 330 more torque (in Nm) than 2007 Audi TT. (320 Nm @ 2500 RPM). This means 2009 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2007 Audi TT. 2009 Audi A8 has automatic transmission and 2007 Audi TT has manual transmission. 2007 Audi TT will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Audi A8 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Audi A8 | 2007 Audi TT | |
| Make | Audi | Audi |
| Model | A8 | TT |
| Year Released | 2009 | 2007 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 4134 cc | 3189 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 322 HP | 247 HP |
| Engine RPM | 3750 RPM | 6300 RPM |
| Torque | 650 Nm | 320 Nm |
| Torque RPM | 1600 RPM | 2500 RPM |
| Engine Bore Size | 83 mm | 84 mm |
| Engine Stroke Size | 95.5 mm | 95.9 mm |
| Engine Compression Ratio | 16.5:1 | 11.3:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 250 km/hour | 250 km/hour |
| Acceleration 0-100mph | 5.9 seconds | 5.9 seconds |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1945 kg | 1410 kg |
| Vehicle Length | 5070 mm | 4050 mm |
| Vehicle Width | 1900 mm | 1850 mm |
| Vehicle Height | 1450 mm | 1360 mm |
| Wheelbase Size | 2950 mm | 2470 mm |
| Fuel Consumption Overall | 9.4 L/100km | 10.4 L/100km |
| Fuel Tank Capacity | 90 L | 60 L |
