2001 Audi TT vs. 1999 Audi A4
To start off, 2001 Audi TT is newer by 2 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 2001 Audi TT and 1999 Audi A4 are equipped with a 1,781 cc engine. In terms of performance, 2001 Audi TT (178 HP @ 6500 RPM) has 55 more horse power than 1999 Audi A4. (123 HP @ 5800 RPM). In normal driving conditions, 2001 Audi TT should accelerate faster than 1999 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2001 Audi TT weights approximately 34 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 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, 2001 Audi TT (225 Nm) has 57 more torque (in Nm) than 1999 Audi A4. (168 Nm). This means 2001 Audi TT will have an easier job in driving up hills or pulling heavy equipment than 1999 Audi A4.
Compare all specifications:
| 2001 Audi TT | 1999 Audi A4 | |
| Make | Audi | Audi |
| Model | TT | A4 |
| Year Released | 2001 | 1999 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1781 cc | 1781 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 178 HP | 123 HP |
| Engine RPM | 6500 RPM | 5800 RPM |
| Torque | 225 Nm | 168 Nm |
| Engine Bore Size | 81.1 mm | 81 mm |
| Engine Stroke Size | 86.4 mm | 86.4 mm |
| Engine Compression Ratio | 9.5:1 | 10.3:1 |
| Drive Type | 4WD | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1390 kg | 1356 kg |
| Vehicle Length | 4050 mm | 4480 mm |
| Vehicle Width | 1770 mm | 1740 mm |
| Vehicle Height | 1360 mm | 1420 mm |
| Wheelbase Size | 2470 mm | 2610 mm |
