2005 Audi A3 vs. 2006 Kia Optima
To start off, 2006 Kia Optima is newer by 1 year(s). Which means there will be less support and parts availability for 2005 Audi A3. In addition, the cost of maintenance, including insurance, on 2005 Audi A3 would be higher. At 2,671 cc (6 cylinders), 2006 Kia Optima is equipped with a bigger engine. In terms of performance, 2006 Kia Optima (170 HP @ 6000 RPM) has 22 more horse power than 2005 Audi A3. (148 HP @ 6000 RPM) In normal driving conditions, 2006 Kia Optima should accelerate faster than 2005 Audi A3. With that said, vehicle weight also plays an important factor in acceleration. 2006 Kia Optima weights approximately 172 kg more than 2005 Audi A3. 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 Kia Optima (245 Nm @ 4000 RPM) has 45 more torque (in Nm) than 2005 Audi A3. (200 Nm @ 3500 RPM). This means 2006 Kia Optima will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi A3.
Compare all specifications:
| 2005 Audi A3 | 2006 Kia Optima | |
| Make | Audi | Kia |
| Model | A3 | Optima |
| Year Released | 2005 | 2006 |
| Body Type | Hatchback | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1983 cc | 2671 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 148 HP | 170 HP |
| Engine RPM | 6000 RPM | 6000 RPM |
| Torque | 200 Nm | 245 Nm |
| Torque RPM | 3500 RPM | 4000 RPM |
| Engine Bore Size | 82.5 mm | 86.8 mm |
| Engine Stroke Size | 92.8 mm | 75 mm |
| Engine Compression Ratio | 11.5:1 | 10.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1315 kg | 1487 kg |
| Vehicle Length | 4210 mm | 4730 mm |
| Vehicle Width | 1770 mm | 1820 mm |
| Vehicle Height | 1430 mm | 1420 mm |
| Wheelbase Size | 2660 mm | 2710 mm |
| Fuel Consumption Overall | 7 L/100km | 10.2 L/100km |
| Fuel Tank Capacity | 55 L | 65 L |
