2007 Audi Q7 vs. 2003 Opel Signum
To start off, 2007 Audi Q7 is newer by 4 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 3,598 cc (6 cylinders), 2007 Audi Q7 is equipped with a bigger engine. In terms of performance, 2007 Audi Q7 (276 HP @ 6200 RPM) has 151 more horse power than 2003 Opel Signum. (125 HP @ 6000 RPM). In normal driving conditions, 2007 Audi Q7 should accelerate faster than 2003 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi Q7 weights approximately 820 kg more than 2003 Opel Signum. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Audi Q7 is four wheel drive (4WD), it will have significant more traction and grip than 2003 Opel Signum. In wet, icy, snow, or gravel driving conditions, 2007 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, 2007 Audi Q7 (360 Nm @ 2500 RPM) has 193 more torque (in Nm) than 2003 Opel Signum. (167 Nm @ 3800 RPM). This means 2007 Audi Q7 will have an easier job in driving up hills or pulling heavy equipment than 2003 Opel Signum.
Compare all specifications:
| 2007 Audi Q7 | 2003 Opel Signum | |
| Make | Audi | Opel |
| Model | Q7 | Signum |
| Year Released | 2007 | 2003 |
| Body Type | SUV | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 3598 cc | 1796 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 276 HP | 125 HP |
| Engine RPM | 6200 RPM | 6000 RPM |
| Torque | 360 Nm | 167 Nm |
| Torque RPM | 2500 RPM | 3800 RPM |
| Engine Compression Ratio | 12.0:1 | 10.5:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 2205 kg | 1385 kg |
| Vehicle Length | 5090 mm | 4640 mm |
| Vehicle Width | 1990 mm | 1800 mm |
| Vehicle Height | 1740 mm | 1470 mm |
| Wheelbase Size | 3010 mm | 2500 mm |
| Fuel Consumption Overall | 12.9 L/100km | 7.5 L/100km |
| Fuel Tank Capacity | 100 L | 58 L |
