2006 Audi TT vs. 2003 Opel Signum
To start off, 2006 Audi TT is newer by 3 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 3,189 cc (6 cylinders), 2006 Audi TT is equipped with a bigger engine. In terms of performance, 2006 Audi TT (247 HP @ 6300 RPM) has 73 more horse power than 2003 Opel Signum. (174 HP @ 4000 RPM). In normal driving conditions, 2006 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 27 kg more than 2006 Audi TT.
Because 2006 Audi TT is four wheel drive (4WD), it will have significant more traction and grip than 2003 Opel Signum. In wet, icy, snow, or gravel driving conditions, 2006 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, 2003 Opel Signum (370 Nm @ 1900 RPM) has 50 more torque (in Nm) than 2006 Audi TT. (320 Nm @ 2800 RPM). This means 2003 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 2006 Audi TT. 2003 Opel Signum has automatic transmission and 2006 Audi TT has manual transmission. 2006 Audi TT will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2003 Opel Signum will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2006 Audi TT | 2003 Opel Signum | |
| Make | Audi | Opel |
| Model | TT | Signum |
| Year Released | 2006 | 2003 |
| Body Type | Convertible | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 3189 cc | 2958 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 247 HP | 174 HP |
| Engine RPM | 6300 RPM | 4000 RPM |
| Torque | 320 Nm | 370 Nm |
| Torque RPM | 2800 RPM | 1900 RPM |
| Engine Bore Size | 84 mm | 87.6 mm |
| Engine Stroke Size | 95.9 mm | 82 mm |
| Engine Compression Ratio | 11.0:1 | 18.5:1 |
| Acceleration 0-100mph | 6.6 seconds | 9.9 seconds |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1668 kg | 1695 kg |
| Vehicle Length | 4050 mm | 4640 mm |
| Vehicle Width | 1770 mm | 1800 mm |
| Vehicle Height | 1350 mm | 1470 mm |
| Wheelbase Size | 2440 mm | 2710 mm |
| Fuel Consumption Highway | 9.4 L/100km | 6 L/100km |
| Fuel Consumption City | 12.4 L/100km | 11.2 L/100km |
| Fuel Consumption Overall | 9.9 L/100km | 7.9 L/100km |
| Fuel Tank Capacity | 62 L | 60 L |
