1998 Audi A3 vs. 2007 Opel Signum
To start off, 2007 Opel Signum is newer by 9 year(s). Which means there will be less support and parts availability for 1998 Audi A3. In addition, the cost of maintenance, including insurance, on 1998 Audi A3 would be higher. At 2,958 cc (6 cylinders), 2007 Opel Signum is equipped with a bigger engine. In terms of performance, 2007 Opel Signum (175 HP @ 4000 RPM) has 75 more horse power than 1998 Audi A3. (100 HP @ 5600 RPM) In normal driving conditions, 2007 Opel Signum should accelerate faster than 1998 Audi A3. With that said, vehicle weight also plays an important factor in acceleration. 2007 Opel Signum weights approximately 530 kg more than 1998 Audi A3. 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, 2007 Opel Signum (370 Nm @ 1900 RPM) has 226 more torque (in Nm) than 1998 Audi A3. (144 Nm @ 3800 RPM). This means 2007 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 1998 Audi A3.
Compare all specifications:
| 1998 Audi A3 | 2007 Opel Signum | |
| Make | Audi | Opel |
| Model | A3 | Signum |
| Year Released | 1998 | 2007 |
| Body Type | Hatchback | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1595 cc | 2958 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 100 HP | 175 HP |
| Engine RPM | 5600 RPM | 4000 RPM |
| Torque | 144 Nm | 370 Nm |
| Torque RPM | 3800 RPM | 1900 RPM |
| Engine Bore Size | 81 mm | 87.5 mm |
| Engine Stroke Size | 77.4 mm | 82 mm |
| Engine Compression Ratio | 10.3:1 | 18.5:1 |
| Fuel Type | Gasoline | Diesel |
| Top Speed | 195 km/hour | 221 km/hour |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 3 doors | 5 doors |
| Vehicle Weight | 1140 kg | 1670 kg |
| Vehicle Length | 4160 mm | 4640 mm |
| Vehicle Width | 1740 mm | 1800 mm |
| Vehicle Height | 1430 mm | 1470 mm |
| Wheelbase Size | 2770 mm | 2840 mm |
| Fuel Consumption Overall | 9.6 L/100km | 7.4 L/100km |
| Fuel Tank Capacity | 54 L | 60 L |
