2009 Audi Q7 vs. 2007 Opel Astra
To start off, 2009 Audi Q7 is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Opel Astra. In addition, the cost of maintenance, including insurance, on 2007 Opel Astra would be higher. At 5,934 cc (12 cylinders), 2009 Audi Q7 is equipped with a bigger engine. In terms of performance, 2009 Audi Q7 (494 HP @ 3750 RPM) has 356 more horse power than 2007 Opel Astra. (138 HP @ 5600 RPM). In normal driving conditions, 2009 Audi Q7 should accelerate faster than 2007 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi Q7 weights approximately 1327 kg more than 2007 Opel Astra. 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 2007 Opel Astra. 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 (1,000 Nm @ 1750 RPM) has 825 more torque (in Nm) than 2007 Opel Astra. (175 Nm @ 3800 RPM). This means 2009 Audi Q7 will have an easier job in driving up hills or pulling heavy equipment than 2007 Opel Astra. 2009 Audi Q7 has automatic transmission and 2007 Opel Astra has manual transmission. 2007 Opel Astra 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 | 2007 Opel Astra | |
| Make | Audi | Opel |
| Model | Q7 | Astra |
| Year Released | 2009 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 5934 cc | 1796 cc |
| Engine Cylinders | 12 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 494 HP | 138 HP |
| Engine RPM | 3750 RPM | 5600 RPM |
| Torque | 1000 Nm | 175 Nm |
| Torque RPM | 1750 RPM | 3800 RPM |
| Engine Bore Size | 83 mm | 80.5 mm |
| Engine Stroke Size | 91.4 mm | 88.2 mm |
| Engine Compression Ratio | 16.0:1 | 10.5:1 |
| Fuel Type | Diesel | Gasoline |
| Top Speed | 250 km/hour | 210 km/hour |
| Acceleration 0-100mph | 5.5 seconds | 10.4 seconds |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Manual |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 2605 kg | 1278 kg |
| Vehicle Length | 5070 mm | 4300 mm |
| Vehicle Width | 2010 mm | 1760 mm |
| Vehicle Height | 1700 mm | 1440 mm |
| Wheelbase Size | 3010 mm | 2620 mm |
| Fuel Consumption Overall | 11.3 L/100km | 7.3 L/100km |
| Fuel Tank Capacity | 100 L | 52 L |
