2005 Opel Signum vs. 2007 Audi TT
To start off, 2007 Audi TT is newer by 2 year(s). Which means there will be less support and parts availability for 2005 Opel Signum. In addition, the cost of maintenance, including insurance, on 2005 Opel Signum would be higher. At 3,189 cc (6 cylinders), 2007 Audi TT is equipped with a bigger engine. In terms of performance, 2007 Audi TT (247 HP @ 6300 RPM) has 72 more horse power than 2005 Opel Signum. (175 HP @ 4000 RPM) In normal driving conditions, 2007 Audi TT should accelerate faster than 2005 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2005 Opel Signum weights approximately 180 kg more than 2007 Audi TT.
Because 2007 Audi TT is four wheel drive (4WD), it will have significant more traction and grip than 2005 Opel Signum. In wet, icy, snow, or gravel driving conditions, 2007 Audi TT 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, 2005 Opel Signum (370 Nm @ 1900 RPM) has 50 more torque (in Nm) than 2007 Audi TT. (320 Nm @ 2500 RPM). This means 2005 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 2007 Audi TT.
Compare all specifications:
| 2005 Opel Signum | 2007 Audi TT | |
| Make | Opel | Audi |
| Model | Signum | TT |
| Year Released | 2005 | 2007 |
| Body Type | Hatchback | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2958 cc | 3189 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 175 HP | 247 HP |
| Engine RPM | 4000 RPM | 6300 RPM |
| Torque | 370 Nm | 320 Nm |
| Torque RPM | 1900 RPM | 2500 RPM |
| Engine Bore Size | 87.5 mm | 84.1 mm |
| Engine Stroke Size | 82 mm | 95.9 mm |
| Engine Compression Ratio | 18.5:1 | 11.3:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Acceleration 0-100mph | 9.4 seconds | 5.9 seconds |
| Drive Type | Front | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1670 kg | 1490 kg |
| Vehicle Length | 4640 mm | 4050 mm |
| Vehicle Width | 1800 mm | 1850 mm |
| Vehicle Height | 1470 mm | 1360 mm |
| Wheelbase Size | 2620 mm | 2470 mm |
| Fuel Consumption Overall | 7.6 L/100km | 9.5 L/100km |
| Fuel Tank Capacity | 60 L | 60 L |
