2009 Audi Q7 vs. 2008 Opel Signum
To start off, 2009 Audi Q7 is newer by 1 year(s). Which means there will be less support and parts availability for 2008 Opel Signum. In addition, the cost of maintenance, including insurance, on 2008 Opel Signum would be higher. At 4,132 cc (8 cylinders), 2009 Audi Q7 is equipped with a bigger engine. In terms of performance, 2009 Audi Q7 (322 HP @ 3750 RPM) has 169 more horse power than 2008 Opel Signum. (153 HP @ 5600 RPM). In normal driving conditions, 2009 Audi Q7 should accelerate faster than 2008 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi Q7 weights approximately 885 kg more than 2008 Opel Signum. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Audi Q7 is four wheel drive (4WD), it will have significant more traction and grip than 2008 Opel Signum. In wet, icy, snow, or gravel driving conditions, 2009 Audi Q7 will offer significantly more control. 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 Q7 (760 Nm @ 1800 RPM) has 540 more torque (in Nm) than 2008 Opel Signum. (220 Nm @ 3800 RPM). This means 2009 Audi Q7 will have an easier job in driving up hills or pulling heavy equipment than 2008 Opel Signum. 2009 Audi Q7 has automatic transmission and 2008 Opel Signum has manual transmission. 2008 Opel Signum will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Audi Q7 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Audi Q7 | 2008 Opel Signum | |
| Make | Audi | Opel |
| Model | Q7 | Signum |
| Year Released | 2009 | 2008 |
| Body Type | SUV | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 4132 cc | 2197 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 322 HP | 153 HP |
| Engine RPM | 3750 RPM | 5600 RPM |
| Torque | 760 Nm | 220 Nm |
| Torque RPM | 1800 RPM | 3800 RPM |
| Engine Bore Size | 83 mm | 86 mm |
| Engine Stroke Size | 95.5 mm | 94.6 mm |
| Engine Compression Ratio | 16.5:1 | 12.0:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 236 km/hour | 211 km/hour |
| Acceleration 0-100mph | 6.4 seconds | 9.8 seconds |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Manual |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 2420 kg | 1535 kg |
| Vehicle Length | 5090 mm | 4640 mm |
| Vehicle Width | 1990 mm | 1800 mm |
| Vehicle Height | 1780 mm | 1470 mm |
| Wheelbase Size | 3010 mm | 2840 mm |
| Fuel Consumption Overall | 11.1 L/100km | 8.1 L/100km |
| Fuel Tank Capacity | 100 L | 60 L |
