2004 Audi A6 vs. 2005 Kia Optima
To start off, 2005 Kia Optima is newer by 1 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 2,974 cc (6 cylinders), 2004 Audi A6 is equipped with a bigger engine. In terms of performance, 2004 Audi A6 (221 HP @ 4000 RPM) has 51 more horse power than 2005 Kia Optima. (170 HP @ 4000 RPM). In normal driving conditions, 2004 Audi A6 should accelerate faster than 2005 Kia Optima. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi A6 weights approximately 278 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 2004 Audi A6 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, 2004 Audi A6 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, 2004 Audi A6 (430 Nm) has 189 more torque (in Nm) than 2005 Kia Optima. (241 Nm). This means 2004 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 2005 Kia Optima.
Compare all specifications:
| 2004 Audi A6 | 2005 Kia Optima | |
| Make | Audi | Kia |
| Model | A6 | Optima |
| Year Released | 2004 | 2005 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2974 cc | 2671 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 221 HP | 170 HP |
| Engine RPM | 4000 RPM | 4000 RPM |
| Torque | 430 Nm | 241 Nm |
| Engine Bore Size | 83 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 Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1765 kg | 1487 kg |
| Vehicle Length | 4920 mm | 4730 mm |
| Vehicle Width | 1860 mm | 1820 mm |
| Vehicle Height | 1460 mm | 1420 mm |
| Wheelbase Size | 2850 mm | 2710 mm |
| Fuel Consumption | 6.3 L/100km | 8.9 L/100km |
| Fuel Consumption City | 11.8 L/100km | 11.9 L/100km |
| Fuel Consumption Overall | 8.3 L/100km | 10.4 L/100km |
| Fuel Tank Capacity | 80 L | 65 L |
