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 2,671 cc (6 cylinders), 2004 Audi A6 is equipped with a bigger engine. In terms of performance, 2004 Audi A6 (265 HP @ 4000 RPM) has 127 more horse power than 2006 Kia Optima. (138 HP @ 5500 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. 2006 Kia Optima weights approximately 205 kg more than 2004 Audi A6.
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 (350 Nm) has 151 more torque (in Nm) than 2006 Kia Optima. (199 Nm). 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 | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2671 cc | 2351 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 265 HP | 138 HP |
| Engine RPM | 4000 RPM | 5500 RPM |
| Torque | 350 Nm | 199 Nm |
| Engine Bore Size | 81 mm | 86.5 mm |
| Engine Stroke Size | 86 mm | 100 mm |
| Engine Compression Ratio | 9.3:1 | 10.0:1 |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1795 kg | 2000 kg |
| Vehicle Length | 4880 mm | 4730 mm |
| Vehicle Width | 1940 mm | 1820 mm |
| Vehicle Height | 1460 mm | 1420 mm |
| Wheelbase Size | 2770 mm | 2710 mm |
| Fuel Consumption Highway | 9.6 L/100km | 7.8 L/100km |
| Fuel Consumption City | 13.2 L/100km | 10.7 L/100km |
| Fuel Consumption Overall | 11.4 L/100km | 9.4 L/100km |
| Fuel Tank Capacity | 70 L | 65 L |
