2005 Audi A4 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 A4. In addition, the cost of maintenance, including insurance, on 2005 Audi A4 would be higher. At 2,351 cc (4 cylinders), 2006 Kia Optima is equipped with a bigger engine. In terms of performance, 2005 Audi A4 (170 HP @ 6500 RPM) has 32 more horse power than 2006 Kia Optima. (138 HP @ 5500 RPM). In normal driving conditions, 2005 Audi A4 should accelerate faster than 2006 Kia Optima. With that said, vehicle weight also plays an important factor in acceleration. 2006 Kia Optima weights approximately 344 kg more than 2005 Audi A4.
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, 2005 Audi A4 (230 Nm) has 31 more torque (in Nm) than 2006 Kia Optima. (199 Nm). This means 2005 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2006 Kia Optima.
Compare all specifications:
| 2005 Audi A4 | 2006 Kia Optima | |
| Make | Audi | Kia |
| Model | A4 | Optima |
| Year Released | 2005 | 2006 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1786 cc | 2351 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 170 HP | 138 HP |
| Engine RPM | 6500 RPM | 5500 RPM |
| Torque | 230 Nm | 199 Nm |
| Engine Bore Size | 81 mm | 86.5 mm |
| Engine Stroke Size | 86 mm | 100 mm |
| Engine Compression Ratio | 9.3:1 | 10.0:1 |
| Drive Type | Front | Front |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1656 kg | 2000 kg |
| Vehicle Length | 4580 mm | 4730 mm |
| Vehicle Width | 1780 mm | 1820 mm |
| Vehicle Height | 1400 mm | 1420 mm |
| Wheelbase Size | 2770 mm | 2710 mm |
| Fuel Consumption | 7.8 L/100km | 7.8 L/100km |
| Fuel Consumption City | 10.2 L/100km | 10.7 L/100km |
| Fuel Consumption Overall | 9.1 L/100km | 9.4 L/100km |
| Fuel Tank Capacity | 70 L | 65 L |
