2009 Audi Q7 vs. 2005 Kia Optima
To start off, 2009 Audi Q7 is newer by 4 year(s). Which means there will be less support and parts availability for 2005 Kia Optima. In addition, the cost of maintenance, including insurance, on 2005 Kia Optima 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 2005 Kia Optima. (138 HP @ 4000 RPM). In normal driving conditions, 2009 Audi Q7 should accelerate faster than 2005 Kia Optima. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi Q7 weights approximately 1108 kg more than 2005 Kia Optima. 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 2005 Kia Optima. 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) has 801 more torque (in Nm) than 2005 Kia Optima. (199 Nm). This means 2009 Audi Q7 will have an easier job in driving up hills or pulling heavy equipment than 2005 Kia Optima.
Compare all specifications:
| 2009 Audi Q7 | 2005 Kia Optima | |
| Make | Audi | Kia |
| Model | Q7 | Optima |
| Year Released | 2009 | 2005 |
| Body Type | SUV | Sedan |
| Engine Position | Front | Front |
| Engine Size | 5934 cc | 2360 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 | 4000 RPM |
| Torque | 1000 Nm | 199 Nm |
| Engine Bore Size | 83 mm | 87.1 mm |
| Engine Stroke Size | 91.4 mm | 100 mm |
| Engine Compression Ratio | 16.0:1 | 10.0:1 |
| Drive Type | 4WD | Front |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 2605 kg | 1497 kg |
| Vehicle Length | 5070 mm | 4730 mm |
| Vehicle Width | 2010 mm | 1820 mm |
| Vehicle Height | 1700 mm | 1420 mm |
| Wheelbase Size | 3010 mm | 2620 mm |
| Fuel Consumption Overall | 11.3 L/100km | 9.4 L/100km |
| Fuel Tank Capacity | 100 L | 65 L |
