2007 Audi A6 vs. 2004 Kia Optima
To start off, 2007 Audi A6 is newer by 3 year(s). Which means there will be less support and parts availability for 2004 Kia Optima. In addition, the cost of maintenance, including insurance, on 2004 Kia Optima would be higher. At 3,123 cc (6 cylinders), 2007 Audi A6 is equipped with a bigger engine. In terms of performance, 2007 Audi A6 (252 HP @ 6500 RPM) has 82 more horse power than 2004 Kia Optima. (170 HP @ 4000 RPM). In normal driving conditions, 2007 Audi A6 should accelerate faster than 2004 Kia Optima. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi A6 weights approximately 193 kg more than 2004 Kia Optima. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Audi A6 is four wheel drive (4WD), it will have significant more traction and grip than 2004 Kia Optima. In wet, icy, snow, or gravel driving conditions, 2007 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, 2007 Audi A6 (330 Nm) has 85 more torque (in Nm) than 2004 Kia Optima. (245 Nm). This means 2007 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 2004 Kia Optima.
Compare all specifications:
| 2007 Audi A6 | 2004 Kia Optima | |
| Make | Audi | Kia |
| Model | A6 | Optima |
| Year Released | 2007 | 2004 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3123 cc | 2671 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 252 HP | 170 HP |
| Engine RPM | 6500 RPM | 4000 RPM |
| Torque | 330 Nm | 245 Nm |
| Engine Bore Size | 84.6 mm | 87 mm |
| Engine Stroke Size | 92.8 mm | 75 mm |
| Engine Compression Ratio | 13.0:1 | 10.0:1 |
| Drive Type | 4WD | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1680 kg | 1487 kg |
| Vehicle Length | 4920 mm | 4730 mm |
| Vehicle Width | 1860 mm | 1820 mm |
| Vehicle Height | 1470 mm | 1420 mm |
| Wheelbase Size | 2850 mm | 2720 mm |
| Fuel Consumption Overall | 10.9 L/100km | 10.2 L/100km |
| Fuel Tank Capacity | 80 L | 65 L |
