2005 Audi A8 vs. 2003 Audi TT
To start off, 2005 Audi A8 is newer by 2 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 4,178 cc (8 cylinders), 2005 Audi A8 is equipped with a bigger engine. In terms of performance, 2005 Audi A8 (335 HP @ 4000 RPM) has 174 more horse power than 2003 Audi TT. (161 HP @ 5800 RPM). In normal driving conditions, 2005 Audi A8 should accelerate faster than 2003 Audi TT. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A8 weights approximately 635 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.
Let's talk about torque, 2005 Audi A8 (430 Nm) has 195 more torque (in Nm) than 2003 Audi TT. (235 Nm). This means 2005 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2003 Audi TT.
Compare all specifications:
| 2005 Audi A8 | 2003 Audi TT | |
| Make | Audi | Audi |
| Model | A8 | TT |
| Year Released | 2005 | 2003 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 4178 cc | 1781 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 5 valves |
| Horse Power | 335 HP | 161 HP |
| Engine RPM | 4000 RPM | 5800 RPM |
| Torque | 430 Nm | 235 Nm |
| Engine Bore Size | 85 mm | 81.1 mm |
| Engine Stroke Size | 93 mm | 86.4 mm |
| Engine Compression Ratio | 11.0:1 | 10.3:1 |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1945 kg | 1310 kg |
| Vehicle Length | 5060 mm | 4010 mm |
| Vehicle Width | 1900 mm | 1760 mm |
| Vehicle Height | 1450 mm | 1350 mm |
| Wheelbase Size | 2950 mm | 2430 mm |
| Fuel Tank Capacity | 90 L | 55 L |
