2007 Audi A3 vs. 2004 Opel Signum
To start off, 2007 Audi A3 is newer by 3 year(s). Which means there will be less support and parts availability for 2004 Opel Signum. In addition, the cost of maintenance, including insurance, on 2004 Opel Signum would be higher. At 3,175 cc (6 cylinders), 2004 Opel Signum is equipped with a bigger engine. In terms of performance, 2004 Opel Signum (208 HP @ 6200 RPM) has 70 more horse power than 2007 Audi A3. (138 HP @ 4000 RPM) In normal driving conditions, 2004 Opel Signum should accelerate faster than 2007 Audi A3. With that said, vehicle weight also plays an important factor in acceleration. 2004 Opel Signum weights approximately 251 kg more than 2007 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 Audi A3 (320 Nm @ 2500 RPM) has 20 more torque (in Nm) than 2004 Opel Signum. (300 Nm @ 4000 RPM). This means 2007 Audi A3 will have an easier job in driving up hills or pulling heavy equipment than 2004 Opel Signum. 2004 Opel Signum has automatic transmission and 2007 Audi A3 has manual transmission. 2007 Audi A3 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2004 Opel Signum will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Audi A3 | 2004 Opel Signum | |
| Make | Audi | Opel |
| Model | A3 | Signum |
| Year Released | 2007 | 2004 |
| Body Type | Hatchback | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1968 cc | 3175 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 138 HP | 208 HP |
| Engine RPM | 4000 RPM | 6200 RPM |
| Torque | 320 Nm | 300 Nm |
| Torque RPM | 2500 RPM | 4000 RPM |
| Engine Bore Size | 81 mm | 87.5 mm |
| Engine Stroke Size | 95.5 mm | 88 mm |
| Engine Compression Ratio | 18.0:1 | 10.0:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 207 km/hour | 237 km/hour |
| Acceleration 0-100mph | 9.5 seconds | 7.9 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 3 doors | 5 doors |
| Vehicle Weight | 1344 kg | 1595 kg |
| Vehicle Length | 4210 mm | 4640 mm |
| Vehicle Width | 1960 mm | 1800 mm |
| Vehicle Height | 1430 mm | 1470 mm |
| Wheelbase Size | 2580 mm | 2740 mm |
| Fuel Consumption Overall | 6.8 L/100km | 10.1 L/100km |
| Fuel Tank Capacity | 55 L | 52 L |
