2003 Opel Signum vs. 2005 Audi TT
To start off, 2005 Audi TT is newer by 2 year(s). Which means there will be less support and parts availability for 2003 Opel Signum. In addition, the cost of maintenance, including insurance, on 2003 Opel Signum would be higher. At 1,910 cc (4 cylinders), 2003 Opel Signum is equipped with a bigger engine. In terms of performance, 2005 Audi TT (179 HP @ 5500 RPM) has 6 more horse power than 2003 Opel Signum. (173 HP @ 5600 RPM) In normal driving conditions, 2005 Audi TT should accelerate faster than 2003 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2003 Opel Signum weights approximately 255 kg more than 2005 Audi TT.
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, 2003 Opel Signum (280 Nm @ 2500 RPM) has 45 more torque (in Nm) than 2005 Audi TT. (235 Nm @ 1950 RPM). This means 2003 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi TT.
Compare all specifications:
| 2003 Opel Signum | 2005 Audi TT | |
| Make | Opel | Audi |
| Model | Signum | TT |
| Year Released | 2003 | 2005 |
| Body Type | Hatchback | Coupe |
| Engine Position | Front | Front |
| Engine Size | 1910 cc | 1781 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 5 valves |
| Horse Power | 173 HP | 179 HP |
| Engine RPM | 5600 RPM | 5500 RPM |
| Torque | 280 Nm | 235 Nm |
| Torque RPM | 2500 RPM | 1950 RPM |
| Engine Bore Size | 86 mm | 81 mm |
| Engine Stroke Size | 86 mm | 86.4 mm |
| Engine Compression Ratio | 9.5:1 | 10.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Top Speed | 220 km/hour | 228 km/hour |
| Acceleration 0-100mph | 9.7 seconds | 7.5 seconds |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1495 kg | 1240 kg |
| Vehicle Length | 4640 mm | 4050 mm |
| Vehicle Width | 1800 mm | 1770 mm |
| Vehicle Height | 1470 mm | 1350 mm |
| Wheelbase Size | 2720 mm | 2500 mm |
| Fuel Consumption Overall | 9.2 L/100km | 8.1 L/100km |
| Fuel Tank Capacity | 58 L | 55 L |
