2001 Audi TT vs. 1999 Opel Signum
To start off, 2001 Audi TT is newer by 2 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 1,995 cc (4 cylinders), 1999 Opel Signum is equipped with a bigger engine. In terms of performance, 2001 Audi TT (161 HP @ 5700 RPM) has 62 more horse power than 1999 Opel Signum. (99 HP @ 3120 RPM). In normal driving conditions, 2001 Audi TT should accelerate faster than 1999 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 1999 Opel Signum weights approximately 285 kg more than 2001 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, 1999 Opel Signum (240 Nm @ 1500 RPM) has 5 more torque (in Nm) than 2001 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 2001 Audi TT.
Compare all specifications:
| 2001 Audi TT | 1999 Opel Signum | |
| Make | Audi | Opel |
| Model | TT | Signum |
| Year Released | 2001 | 1999 |
| Body Type | Convertible | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1786 cc | 1995 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 161 HP | 99 HP |
| Engine RPM | 5700 RPM | 3120 RPM |
| Torque | 235 Nm | 240 Nm |
| Torque RPM | 1950 RPM | 1500 RPM |
| Engine Bore Size | 81 mm | 84 mm |
| Engine Stroke Size | 86.4 mm | 90 mm |
| Engine Compression Ratio | 10.3:1 | 18.5:1 |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1310 kg | 1595 kg |
| Vehicle Length | 4010 mm | 4640 mm |
| Vehicle Width | 1760 mm | 1800 mm |
| Vehicle Height | 1350 mm | 1470 mm |
| Wheelbase Size | 2430 mm | 2840 mm |
| Fuel Tank Capacity | 55 L | 60 L |
