2008 Audi RS6 vs. 2004 Kia Optima
To start off, 2008 Audi RS6 is newer by 4 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 4,172 cc (8 cylinders), 2008 Audi RS6 is equipped with a bigger engine. In terms of performance, 2008 Audi RS6 (444 HP @ 5700 RPM) has 307 more horse power than 2004 Kia Optima. (137 HP @ 4000 RPM). In normal driving conditions, 2008 Audi RS6 should accelerate faster than 2004 Kia Optima. With that said, vehicle weight also plays an important factor in acceleration. 2008 Audi RS6 weights approximately 467 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 2008 Audi RS6 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, 2008 Audi RS6 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, 2008 Audi RS6 (560 Nm) has 361 more torque (in Nm) than 2004 Kia Optima. (199 Nm). This means 2008 Audi RS6 will have an easier job in driving up hills or pulling heavy equipment than 2004 Kia Optima.
Compare all specifications:
| 2008 Audi RS6 | 2004 Kia Optima | |
| Make | Audi | Kia |
| Model | RS6 | Optima |
| Year Released | 2008 | 2004 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4172 cc | 2360 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 444 HP | 137 HP |
| Engine RPM | 5700 RPM | 4000 RPM |
| Torque | 560 Nm | 199 Nm |
| Engine Bore Size | 84.5 mm | 87.1 mm |
| Engine Stroke Size | 93 mm | 100 mm |
| Engine Compression Ratio | 9.0:1 | 10.0:1 |
| Drive Type | 4WD | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1955 kg | 1488 kg |
| Vehicle Length | 4840 mm | 4730 mm |
| Vehicle Width | 1860 mm | 1820 mm |
| Vehicle Height | 1400 mm | 1420 mm |
| Wheelbase Size | 2770 mm | 2710 mm |
| Fuel Consumption Overall | 14.8 L/100km | 9.4 L/100km |
| Fuel Tank Capacity | 82 L | 65 L |
