2006 Audi A8 vs. 1999 Audi TT
To start off, 2006 Audi A8 is newer by 7 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 3,123 cc (6 cylinders), 2006 Audi A8 is equipped with a bigger engine. In terms of performance, 2006 Audi A8 (256 HP) has 82 more horse power than 1999 Audi TT. (174 HP). In normal driving conditions, 2006 Audi A8 should accelerate faster than 1999 Audi TT. With that said, vehicle weight also plays an important factor in acceleration. 1999 Audi TT weights approximately 35 kg more than 2006 Audi A8.
Because 2006 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, 2006 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, 2006 Audi A8 (330 Nm @ 3250 RPM) has 100 more torque (in Nm) than 1999 Audi TT. (230 Nm @ 1950 RPM). This means 2006 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 1999 Audi TT.
Compare all specifications:
| 2006 Audi A8 | 1999 Audi TT | |
| Make | Audi | Audi |
| Model | A8 | TT |
| Year Released | 2006 | 1999 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 3123 cc | 1779 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 5 valves |
| Horse Power | 256 HP | 174 HP |
| Torque | 330 Nm | 230 Nm |
| Torque RPM | 3250 RPM | 1950 RPM |
| Engine Bore Size | 84.5 mm | 81 mm |
| Engine Stroke Size | 92.8 mm | 86.4 mm |
| Engine Compression Ratio | 13.0:1 | 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 | 1275 kg | 1310 kg |
| Vehicle Length | 5060 mm | 4010 mm |
| Vehicle Width | 1900 mm | 1760 mm |
| Vehicle Height | 1450 mm | 1350 mm |
| Wheelbase Size | 2950 mm | 2430 mm |
| Fuel Tank Capacity | 90 L | 55 L |
