2005 Audi TT vs. 2009 Audi A4
To start off, 2009 Audi A4 is newer by 4 year(s). Which means there will be less support and parts availability for 2005 Audi TT. In addition, the cost of maintenance, including insurance, on 2005 Audi TT would be higher. At 2,965 cc (6 cylinders), 2009 Audi A4 is equipped with a bigger engine. In terms of performance, 2009 Audi A4 (237 HP @ 4000 RPM) has 89 more horse power than 2005 Audi TT. (148 HP @ 5600 RPM) In normal driving conditions, 2009 Audi A4 should accelerate faster than 2005 Audi TT. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A4 weights approximately 415 kg more than 2005 Audi TT. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 2005 Audi TT. In wet, icy, snow, or gravel driving conditions, 2009 Audi A4 will offer significantly more control. 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, 2009 Audi A4 (500 Nm @ 1500 RPM) has 290 more torque (in Nm) than 2005 Audi TT. (210 Nm @ 1750 RPM). This means 2009 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi TT.
Compare all specifications:
| 2005 Audi TT | 2009 Audi A4 | |
| Make | Audi | Audi |
| Model | TT | A4 |
| Year Released | 2005 | 2009 |
| Body Type | Coupe | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 1781 cc | 2965 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 148 HP | 237 HP |
| Engine RPM | 5600 RPM | 4000 RPM |
| Torque | 210 Nm | 500 Nm |
| Torque RPM | 1750 RPM | 1500 RPM |
| Engine Bore Size | 81 mm | 83 mm |
| Engine Stroke Size | 86.4 mm | 91.4 mm |
| Engine Compression Ratio | 10.0:1 | 16.8:1 |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1280 kg | 1695 kg |
| Vehicle Length | 4010 mm | 4710 mm |
| Vehicle Width | 1770 mm | 1830 mm |
| Vehicle Height | 1350 mm | 1440 mm |
| Wheelbase Size | 2430 mm | 2810 mm |
| Fuel Tank Capacity | 62 L | 64 L |
