2009 Audi A3 vs. 2003 Opel Signum
To start off, 2009 Audi A3 is newer by 6 year(s). Which means there will be less support and parts availability for 2003 Opel Signum. In addition, the cost of maintenance, including insurance, on 2003 Opel Signum would be higher. At 1,998 cc (4 cylinders), 2003 Opel Signum is equipped with a bigger engine. In terms of performance, 2009 Audi A3 (197 HP @ 5100 RPM) has 98 more horse power than 2003 Opel Signum. (99 HP @ 3120 RPM). In normal driving conditions, 2009 Audi A3 should accelerate faster than 2003 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2003 Opel Signum weights approximately 175 kg more than 2009 Audi A3.
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, 2009 Audi A3 (280 Nm @ 1800 RPM) has 50 more torque (in Nm) than 2003 Opel Signum. (230 Nm @ 1500 RPM). This means 2009 Audi A3 will have an easier job in driving up hills or pulling heavy equipment than 2003 Opel Signum. 2009 Audi A3 has automatic transmission and 2003 Opel Signum has manual transmission. 2003 Opel Signum will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Audi A3 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Audi A3 | 2003 Opel Signum | |
| Make | Audi | Opel |
| Model | A3 | Signum |
| Year Released | 2009 | 2003 |
| Body Type | Hatchback | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1984 cc | 1998 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 197 HP | 99 HP |
| Engine RPM | 5100 RPM | 3120 RPM |
| Torque | 280 Nm | 230 Nm |
| Torque RPM | 1800 RPM | 1500 RPM |
| Engine Bore Size | 82.6 mm | 84 mm |
| Engine Stroke Size | 92.8 mm | 90 mm |
| Engine Compression Ratio | 10.5:1 | 18.5:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Acceleration 0-100mph | 6.9 seconds | 14.3 seconds |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 3 doors | 5 doors |
| Vehicle Weight | 1445 kg | 1620 kg |
| Vehicle Length | 4220 mm | 4640 mm |
| Vehicle Width | 1770 mm | 1800 mm |
| Vehicle Height | 1430 mm | 1470 mm |
| Wheelbase Size | 2580 mm | 2840 mm |
| Fuel Consumption Overall | 7.7 L/100km | 5.9 L/100km |
| Fuel Tank Capacity | 55 L | 60 L |
