2003 Audi TT vs. 2007 Audi A4
To start off, 2007 Audi A4 is newer by 4 year(s). Which means there will be less support and parts availability for 2003 Audi TT. In addition, the cost of maintenance, including insurance, on 2003 Audi TT would be higher. At 2,967 cc (6 cylinders), 2007 Audi A4 is equipped with a bigger engine. In terms of performance, 2007 Audi A4 (222 HP @ 4000 RPM) has 61 more horse power than 2003 Audi TT. (161 HP @ 5800 RPM) In normal driving conditions, 2007 Audi A4 should accelerate faster than 2003 Audi TT. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi A4 weights approximately 120 kg more than 2003 Audi TT. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 2003 Audi TT. In wet, icy, snow, or gravel driving conditions, 2007 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, 2007 Audi A4 (450 Nm @ 1400 RPM) has 215 more torque (in Nm) than 2003 Audi TT. (235 Nm @ 1950 RPM). This means 2007 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2003 Audi TT.
Compare all specifications:
| 2003 Audi TT | 2007 Audi A4 | |
| Make | Audi | Audi |
| Model | TT | A4 |
| Year Released | 2003 | 2007 |
| Body Type | Convertible | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 1781 cc | 2967 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 161 HP | 222 HP |
| Engine RPM | 5800 RPM | 4000 RPM |
| Torque | 235 Nm | 450 Nm |
| Torque RPM | 1950 RPM | 1400 RPM |
| Engine Compression Ratio | 10.3:1 | 17.0:1 |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1310 kg | 1430 kg |
| Vehicle Length | 4010 mm | 4550 mm |
| Vehicle Width | 1760 mm | 1780 mm |
| Vehicle Height | 1350 mm | 1430 mm |
| Wheelbase Size | 2430 mm | 2660 mm |
| Fuel Tank Capacity | 55 L | 70 L |
