1999 Audi TT vs. 2006 Audi A4
To start off, 2006 Audi A4 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 2,981 cc (6 cylinders), 2006 Audi A4 is equipped with a bigger engine. In terms of performance, 2006 Audi A4 (220 HP @ 6300 RPM) has 45 more horse power than 1999 Audi TT. (175 HP @ 6500 RPM) In normal driving conditions, 2006 Audi A4 should accelerate faster than 1999 Audi TT.
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, 2006 Audi A4 (300 Nm) has 63 more torque (in Nm) than 1999 Audi TT. (237 Nm). This means 2006 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1999 Audi TT.
Compare all specifications:
| 1999 Audi TT | 2006 Audi A4 | |
| Make | Audi | Audi |
| Model | TT | A4 |
| Year Released | 1999 | 2006 |
| Body Type | Coupe | Convertible |
| Engine Position | Front | Front |
| Engine Size | 1780 cc | 2981 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 5 valves | 5 valves |
| Horse Power | 175 HP | 220 HP |
| Engine RPM | 6500 RPM | 6300 RPM |
| Torque | 237 Nm | 300 Nm |
| Engine Bore Size | 81.1 mm | 82.5 mm |
| Engine Stroke Size | 86.4 mm | 92.8 mm |
| Engine Compression Ratio | 9.5:1 | 10.5:1 |
| Drive Type | 4WD | 4WD |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Length | 4050 mm | 4580 mm |
| Vehicle Width | 1770 mm | 1780 mm |
| Vehicle Height | 1350 mm | 1400 mm |
| Wheelbase Size | 2430 mm | 2660 mm |
