2003 Audi A6 vs. 2005 Kia Optima
To start off, 2005 Kia Optima is newer by 2 year(s). Which means there will be less support and parts availability for 2003 Audi A6. In addition, the cost of maintenance, including insurance, on 2003 Audi A6 would be higher. At 2,698 cc (6 cylinders), 2003 Audi A6 is equipped with a bigger engine. In terms of performance, 2003 Audi A6 (178 HP @ 3300 RPM) has 8 more horse power than 2005 Kia Optima. (170 HP @ 4000 RPM). In normal driving conditions, 2003 Audi A6 should accelerate faster than 2005 Kia Optima. With that said, vehicle weight also plays an important factor in acceleration. 2003 Audi A6 weights approximately 208 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.
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, 2003 Audi A6 (370 Nm) has 129 more torque (in Nm) than 2005 Kia Optima. (241 Nm). This means 2003 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 2005 Kia Optima.
Compare all specifications:
| 2003 Audi A6 | 2005 Kia Optima | |
| Make | Audi | Kia |
| Model | A6 | Optima |
| Year Released | 2003 | 2005 |
| 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 | 4000 RPM |
| Torque | 370 Nm | 241 Nm |
| Engine Bore Size | 83.1 mm | 87 mm |
| Engine Stroke Size | 83.1 mm | 75 mm |
| Engine Compression Ratio | 17.0:1 | 10.0:1 |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1695 kg | 1487 kg |
| Vehicle Length | 4940 mm | 4730 mm |
| Vehicle Width | 1860 mm | 1820 mm |
| Vehicle Height | 1470 mm | 1420 mm |
| Wheelbase Size | 2850 mm | 2710 mm |
| Fuel Consumption Overall | 7.1 L/100km | 10.4 L/100km |
| Fuel Tank Capacity | 70 L | 65 L |
