2007 Audi A8 vs. 1999 Audi TT
To start off, 2007 Audi A8 is newer by 8 year(s). Which means there will be less support and parts availability for 1999 Audi TT. In addition, the cost of maintenance, including insurance, on 1999 Audi TT would be higher. At 5,997 cc, 2007 Audi A8 is equipped with a bigger engine. In terms of performance, 2007 Audi A8 (444 HP @ 6200 RPM) has 270 more horse power than 1999 Audi TT. (174 HP @ 5600 RPM). In normal driving conditions, 2007 Audi A8 should accelerate faster than 1999 Audi TT. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi A8 weights approximately 685 kg more than 1999 Audi TT. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Audi A8 is four wheel drive (4WD), it will have significant more traction and grip than 1999 Audi TT. In wet, icy, snow, or gravel driving conditions, 2007 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, 2007 Audi A8 (580 Nm @ 4000 RPM) has 350 more torque (in Nm) than 1999 Audi TT. (230 Nm @ 1950 RPM). This means 2007 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 1999 Audi TT.
Compare all specifications:
| 2007 Audi A8 | 1999 Audi TT | |
| Make | Audi | Audi |
| Model | A8 | TT |
| Year Released | 2007 | 1999 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 5997 cc | 1779 cc |
| Engine Type | W | in-line |
| Valves per Cylinder | 4 valves | 5 valves |
| Horse Power | 444 HP | 174 HP |
| Engine RPM | 6200 RPM | 5600 RPM |
| Torque | 580 Nm | 230 Nm |
| Torque RPM | 4000 RPM | 1950 RPM |
| Engine Bore Size | 84 mm | 81 mm |
| Engine Stroke Size | 90.2 mm | 86.4 mm |
| Engine Compression Ratio | 11.0:1 | 10.3:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1995 kg | 1310 kg |
| Vehicle Length | 5070 mm | 4010 mm |
| Vehicle Width | 1900 mm | 1760 mm |
| Vehicle Height | 1460 mm | 1350 mm |
| Wheelbase Size | 3080 mm | 2430 mm |
| Fuel Tank Capacity | 90 L | 55 L |
