2006 Audi S4 vs. 1999 Audi TT
To start off, 2006 Audi S4 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 4,163 cc (8 cylinders), 2006 Audi S4 is equipped with a bigger engine. In terms of performance, 2006 Audi S4 (339 HP @ 7000 RPM) has 165 more horse power than 1999 Audi TT. (174 HP @ 5600 RPM). In normal driving conditions, 2006 Audi S4 should accelerate faster than 1999 Audi TT. With that said, vehicle weight also plays an important factor in acceleration. 2006 Audi S4 weights approximately 570 kg more than 1999 Audi TT. 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 S4 (410 Nm @ 3500 RPM) has 180 more torque (in Nm) than 1999 Audi TT. (230 Nm @ 1950 RPM). This means 2006 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 1999 Audi TT.
Compare all specifications:
| 2006 Audi S4 | 1999 Audi TT | |
| Make | Audi | Audi |
| Model | S4 | TT |
| Year Released | 2006 | 1999 |
| Body Type | Station Wagon | Convertible |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 1779 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 5 valves |
| Horse Power | 339 HP | 174 HP |
| Engine RPM | 7000 RPM | 5600 RPM |
| Torque | 410 Nm | 230 Nm |
| Torque RPM | 3500 RPM | 1950 RPM |
| Engine Bore Size | 84.6 mm | 81 mm |
| Engine Stroke Size | 92.8 mm | 86.4 mm |
| Engine Compression Ratio | 11.0:1 | 10.3:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1880 kg | 1310 kg |
| Vehicle Length | 4590 mm | 4010 mm |
| Vehicle Width | 1730 mm | 1760 mm |
| Vehicle Height | 1430 mm | 1350 mm |
| Wheelbase Size | 2650 mm | 2430 mm |
| Fuel Tank Capacity | 63 L | 55 L |
