2009 Audi A4 vs. 2006 Opel Signum
To start off, 2009 Audi A4 is newer by 3 year(s). Which means there will be less support and parts availability for 2006 Opel Signum. In addition, the cost of maintenance, including insurance, on 2006 Opel Signum would be higher. At 3,175 cc (6 cylinders), 2006 Opel Signum is equipped with a bigger engine. In terms of performance, 2006 Opel Signum (208 HP @ 6200 RPM) has 67 more horse power than 2009 Audi A4. (141 HP @ 4200 RPM) In normal driving conditions, 2006 Opel Signum should accelerate faster than 2009 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2006 Opel Signum weights approximately 715 kg more than 2009 Audi A4. 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, 2009 Audi A4 (320 Nm @ 1750 RPM) has 19 more torque (in Nm) than 2006 Opel Signum. (301 Nm @ 4000 RPM). This means 2009 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2006 Opel Signum. 2006 Opel Signum has automatic transmission and 2009 Audi A4 has manual transmission. 2009 Audi A4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2006 Opel Signum will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Audi A4 | 2006 Opel Signum | |
| Make | Audi | Opel |
| Model | A4 | Signum |
| Year Released | 2009 | 2006 |
| Body Type | Sedan | 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 | 141 HP | 208 HP |
| Engine RPM | 4200 RPM | 6200 RPM |
| Torque | 320 Nm | 301 Nm |
| Torque RPM | 1750 RPM | 4000 RPM |
| Engine Bore Size | 81 mm | 87.5 mm |
| Engine Stroke Size | 95.5 mm | 88 mm |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 215 km/hour | 237 km/hour |
| Acceleration 0-100mph | 9.4 seconds | 7.9 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 895 kg | 1610 kg |
| Vehicle Length | 4710 mm | 4640 mm |
| Vehicle Width | 2010 mm | 1800 mm |
| Vehicle Height | 1430 mm | 1470 mm |
| Wheelbase Size | 2810 mm | 2840 mm |
| Fuel Consumption Overall | 5.5 L/100km | 10.1 L/100km |
| Fuel Tank Capacity | 65 L | 60 L |
