2006 Audi TT vs. 1999 Opel Signum
To start off, 2006 Audi TT is newer by 7 year(s). Which means there will be less support and parts availability for 1999 Opel Signum. In addition, the cost of maintenance, including insurance, on 1999 Opel Signum would be higher. At 3,175 cc (6 cylinders), 1999 Opel Signum is equipped with a bigger engine. In terms of performance, 1999 Opel Signum (208 HP @ 6200 RPM) has 28 more horse power than 2006 Audi TT. (180 HP @ 5500 RPM) In normal driving conditions, 1999 Opel Signum should accelerate faster than 2006 Audi TT. With that said, vehicle weight also plays an important factor in acceleration. 1999 Opel Signum weights approximately 165 kg more than 2006 Audi TT. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 1999 Opel Signum (300 Nm @ 4000 RPM) has 65 more torque (in Nm) than 2006 Audi TT. (235 Nm @ 1950 RPM). This means 1999 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 2006 Audi TT.
Compare all specifications:
| 2006 Audi TT | 1999 Opel Signum | |
| Make | Audi | Opel |
| Model | TT | Signum |
| Year Released | 2006 | 1999 |
| Body Type | Convertible | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1786 cc | 3175 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 180 HP | 208 HP |
| Engine RPM | 5500 RPM | 6200 RPM |
| Torque | 235 Nm | 300 Nm |
| Torque RPM | 1950 RPM | 4000 RPM |
| Engine Bore Size | 81 mm | 87.5 mm |
| Engine Stroke Size | 86.4 mm | 88 mm |
| Engine Compression Ratio | 10.0:1 | 10.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Drive Type | Front | Front |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1445 kg | 1610 kg |
| Vehicle Length | 4050 mm | 4640 mm |
| Vehicle Width | 1860 mm | 1800 mm |
| Vehicle Height | 1350 mm | 1470 mm |
| Wheelbase Size | 2430 mm | 2840 mm |
| Fuel Tank Capacity | 55 L | 52 L |
