2006 Audi A8 vs. 2011 Kia Optima
To start off, 2011 Kia Optima is newer by 5 year(s). Which means there will be less support and parts availability for 2006 Audi A8. In addition, the cost of maintenance, including insurance, on 2006 Audi A8 would be higher. At 3,934 cc (8 cylinders), 2006 Audi A8 is equipped with a bigger engine. In terms of performance, 2011 Kia Optima (274 HP @ 6000 RPM) has 3 more horse power than 2006 Audi A8. (271 HP @ 3750 RPM) In normal driving conditions, 2011 Kia Optima should accelerate faster than 2006 Audi A8. With that said, vehicle weight also plays an important factor in acceleration. 2006 Audi A8 weights approximately 405 kg more than 2011 Kia Optima.
Because 2006 Audi A8 is four wheel drive (4WD), it will have significant more traction and grip than 2011 Kia Optima. In wet, icy, snow, or gravel driving conditions, 2006 Audi A8 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, 2006 Audi A8 (650 Nm @ 1800 RPM) has 286 more torque (in Nm) than 2011 Kia Optima. (364 Nm @ 1750 RPM). This means 2006 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2011 Kia Optima.
Compare all specifications:
| 2006 Audi A8 | 2011 Kia Optima | |
| Make | Audi | Kia |
| Model | A8 | Optima |
| Year Released | 2006 | 2011 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3934 cc | 2000 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 271 HP | 274 HP |
| Engine RPM | 3750 RPM | 6000 RPM |
| Torque | 650 Nm | 364 Nm |
| Torque RPM | 1800 RPM | 1750 RPM |
| Fuel Type | Diesel | Gasoline |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1940 kg | 1535 kg |
| Vehicle Length | 5190 mm | 4844 mm |
| Vehicle Width | 1900 mm | 1831 mm |
| Vehicle Height | 1460 mm | 1455 mm |
| Wheelbase Size | 3080 mm | 2797 mm |
| Fuel Tank Capacity | 90 L | 70 L |
