1999 Audi A4 vs. 2006 Audi TT
To start off, 2006 Audi TT is newer by 7 year(s). Which means there will be less support and parts availability for 1999 Audi A4. In addition, the cost of maintenance, including insurance, on 1999 Audi A4 would be higher. Both 1999 Audi A4 and 2006 Audi TT are equipped with a 1,781 cc engine. In terms of performance, 2006 Audi TT (148 HP @ 5700 RPM) has 25 more horse power than 1999 Audi A4. (123 HP @ 5800 RPM) In normal driving conditions, 2006 Audi TT should accelerate faster than 1999 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2006 Audi TT weights approximately 15 kg more than 1999 Audi A4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than 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 TT (210 Nm @ 1750 RPM) has 42 more torque (in Nm) than 1999 Audi A4. (168 Nm @ 3500 RPM). This means 2006 Audi TT will have an easier job in driving up hills or pulling heavy equipment than 1999 Audi A4. 1999 Audi A4 has automatic transmission and 2006 Audi TT has manual transmission. 2006 Audi TT will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1999 Audi A4 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1999 Audi A4 | 2006 Audi TT | |
| Make | Audi | Audi |
| Model | A4 | TT |
| Year Released | 1999 | 2006 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 1781 cc | 1781 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 123 HP | 148 HP |
| Engine RPM | 5800 RPM | 5700 RPM |
| Torque | 168 Nm | 210 Nm |
| Torque RPM | 3500 RPM | 1750 RPM |
| Engine Bore Size | 81 mm | 81.1 mm |
| Engine Stroke Size | 86.4 mm | 86.4 mm |
| Engine Compression Ratio | 10.3:1 | 10.0:1 |
| Acceleration 0-100mph | 12.3 seconds | 8.6 seconds |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1265 kg | 1280 kg |
| Vehicle Length | 4480 mm | 4050 mm |
| Vehicle Width | 1740 mm | 1770 mm |
| Vehicle Height | 1420 mm | 1350 mm |
| Wheelbase Size | 2620 mm | 2430 mm |
| Fuel Tank Capacity | 62 L | 55 L |
