2007 Opel Signum vs. 2004 Audi A3
To start off, 2007 Opel Signum is newer by 3 year(s). Which means there will be less support and parts availability for 2004 Audi A3. In addition, the cost of maintenance, including insurance, on 2004 Audi A3 would be higher. At 2,196 cc (4 cylinders), 2007 Opel Signum is equipped with a bigger engine. In terms of performance, 2007 Opel Signum (153 HP @ 5600 RPM) has 14 more horse power than 2004 Audi A3. (139 HP @ 4000 RPM). In normal driving conditions, 2007 Opel Signum should accelerate faster than 2004 Audi A3. With that said, vehicle weight also plays an important factor in acceleration. 2007 Opel Signum weights approximately 195 kg more than 2004 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, 2004 Audi A3 (330 Nm @ 1750 RPM) has 110 more torque (in Nm) than 2007 Opel Signum. (220 Nm @ 3800 RPM). This means 2004 Audi A3 will have an easier job in driving up hills or pulling heavy equipment than 2007 Opel Signum. 2004 Audi A3 has automatic transmission and 2007 Opel Signum has manual transmission. 2007 Opel Signum will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2004 Audi A3 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Opel Signum | 2004 Audi A3 | |
| Make | Opel | Audi |
| Model | Signum | A3 |
| Year Released | 2007 | 2004 |
| Body Type | Hatchback | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2196 cc | 1968 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 153 HP | 139 HP |
| Engine RPM | 5600 RPM | 4000 RPM |
| Torque | 220 Nm | 330 Nm |
| Torque RPM | 3800 RPM | 1750 RPM |
| Engine Bore Size | 86 mm | 81 mm |
| Engine Stroke Size | 94.6 mm | 95.5 mm |
| Engine Compression Ratio | 12.0:1 | 18.0:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Top Speed | 211 km/hour | 207 km/hour |
| Acceleration 0-100mph | 9.8 seconds | 9.5 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 3 doors |
| Vehicle Weight | 1535 kg | 1340 kg |
| Vehicle Length | 4640 mm | 4210 mm |
| Vehicle Width | 1800 mm | 1770 mm |
| Vehicle Height | 1470 mm | 1430 mm |
| Wheelbase Size | 2840 mm | 2470 mm |
| Fuel Consumption Overall | 8.1 L/100km | 5.5 L/100km |
| Fuel Tank Capacity | 60 L | 55 L |
