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 2,967 cc (6 cylinders), 2009 Audi Q7 is equipped with a bigger engine. In terms of performance, 2009 Audi Q7 (237 HP @ 4000 RPM) has 67 more horse power than 2005 Kia Optima. (170 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 883 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 (550 Nm) has 305 more torque (in Nm) than 2005 Kia Optima. (245 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 | 2967 cc | 2670 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 237 HP | 170 HP |
| Engine RPM | 4000 RPM | 4000 RPM |
| Torque | 550 Nm | 245 Nm |
| Engine Bore Size | 83.1 mm | 87 mm |
| Engine Stroke Size | 91.4 mm | 75 mm |
| Engine Compression Ratio | 17.0:1 | 10.0:1 |
| Drive Type | 4WD | Front |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 2370 kg | 1487 kg |
| Vehicle Length | 5090 mm | 4730 mm |
| Vehicle Width | 1990 mm | 1820 mm |
| Vehicle Height | 1740 mm | 1420 mm |
| Wheelbase Size | 3010 mm | 2640 mm |
| Fuel Consumption Overall | 9.8 L/100km | 10.2 L/100km |
| Fuel Tank Capacity | 100 L | 65 L |
