2006 Audi S4 vs. 2006 Kia Optima
To start off, both 2006 Audi S4 and 2006 Kia Optima were released in the same year (2006). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 4,163 cc (8 cylinders), 2006 Audi S4 is equipped with a bigger engine. In terms of performance, 2006 Audi S4 (340 HP @ 7000 RPM) has 170 more horse power than 2006 Kia Optima. (170 HP @ 6000 RPM). In normal driving conditions, 2006 Audi S4 should accelerate faster than 2006 Kia Optima. With that said, vehicle weight also plays an important factor in acceleration. 2006 Audi S4 weights approximately 396 kg more than 2006 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, 2006 Audi S4 (410 Nm @ 3500 RPM) has 165 more torque (in Nm) than 2006 Kia Optima. (245 Nm @ 4000 RPM). This means 2006 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 2006 Kia Optima.
Compare all specifications:
| 2006 Audi S4 | 2006 Kia Optima | |
| Make | Audi | Kia |
| Model | S4 | Optima |
| Year Released | 2006 | 2006 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 2671 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 340 HP | 170 HP |
| Engine RPM | 7000 RPM | 6000 RPM |
| Torque | 410 Nm | 245 Nm |
| Torque RPM | 3500 RPM | 4000 RPM |
| Engine Bore Size | 84.5 mm | 86.7 mm |
| Engine Stroke Size | 93 mm | 75 mm |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1884 kg | 1488 kg |
| Vehicle Length | 4590 mm | 4730 mm |
| Vehicle Width | 1790 mm | 1820 mm |
| Vehicle Height | 1420 mm | 1420 mm |
| Wheelbase Size | 2660 mm | 2710 mm |
| Fuel Consumption Highway | 11.2 L/100km | 8.7 L/100km |
| Fuel Consumption City | 15.7 L/100km | 11.8 L/100km |
| Fuel Consumption Overall | 13.8 L/100km | 10.2 L/100km |
| Fuel Tank Capacity | 63 L | 65 L |
