2004 Audi A6 vs. 2006 Kia Optima
To start off, 2006 Kia Optima is newer by 2 year(s). Which means there will be less support and parts availability for 2004 Audi A6. In addition, the cost of maintenance, including insurance, on 2004 Audi A6 would be higher. At 2,698 cc (6 cylinders), 2004 Audi A6 is equipped with a bigger engine. In terms of performance, 2004 Audi A6 (178 HP @ 3300 RPM) has 8 more horse power than 2006 Kia Optima. (170 HP @ 6000 RPM). In normal driving conditions, 2004 Audi A6 should accelerate faster than 2006 Kia Optima. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi A6 weights approximately 207 kg more than 2006 Kia Optima. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear wheel drive vehicles. 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, 2004 Audi A6 (370 Nm @ 1400 RPM) has 125 more torque (in Nm) than 2006 Kia Optima. (245 Nm @ 4000 RPM). This means 2004 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 2006 Kia Optima.
Compare all specifications:
| 2004 Audi A6 | 2006 Kia Optima | |
| Make | Audi | Kia |
| Model | A6 | Optima |
| Year Released | 2004 | 2006 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2698 cc | 2671 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 178 HP | 170 HP |
| Engine RPM | 3300 RPM | 6000 RPM |
| Torque | 370 Nm | 245 Nm |
| Torque RPM | 1400 RPM | 4000 RPM |
| Engine Bore Size | 83 mm | 86.7 mm |
| Engine Stroke Size | 83.1 mm | 75 mm |
| Engine Compression Ratio | 17.0:1 | 10.0:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1695 kg | 1488 kg |
| Vehicle Length | 4940 mm | 4730 mm |
| Vehicle Width | 1860 mm | 1820 mm |
| Vehicle Height | 1470 mm | 1420 mm |
| Wheelbase Size | 2950 mm | 2710 mm |
| Fuel Consumption | 5.4 L/100km | 8.7 L/100km |
| Fuel Consumption City | 9.8 L/100km | 11.8 L/100km |
| Fuel Consumption Overall | 7 L/100km | 10.2 L/100km |
| Fuel Tank Capacity | 70 L | 65 L |
