1999 Audi TT vs. 2011 Porsche 911
To start off, 2011 Porsche 911 is newer by 12 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 3,600 cc (6 cylinders), 2011 Porsche 911 is equipped with a bigger engine. In terms of performance, 2011 Porsche 911 (345 HP @ 6500 RPM) has 170 more horse power than 1999 Audi TT. (175 HP @ 6500 RPM) In normal driving conditions, 2011 Porsche 911 should accelerate faster than 1999 Audi TT.
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, 2011 Porsche 911 (390 Nm) has 153 more torque (in Nm) than 1999 Audi TT. (237 Nm). This means 2011 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 1999 Audi TT.
Compare all specifications:
| 1999 Audi TT | 2011 Porsche 911 | |
| Make | Audi | Porsche |
| Model | TT | 911 |
| Year Released | 1999 | 2011 |
| Body Type | Coupe | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 1780 cc | 3600 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 175 HP | 345 HP |
| Engine RPM | 6500 RPM | 6500 RPM |
| Torque | 237 Nm | 390 Nm |
| Drive Type | 4WD | AWD |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Length | 4050 mm | 4460 mm |
| Vehicle Width | 1770 mm | 1852 mm |
| Vehicle Height | 1350 mm | 1311 mm |
| Wheelbase Size | 2430 mm | 2350 mm |
