1999 Audi A6 vs. 2006 Kia Optima
To start off, 2006 Kia Optima is newer by 7 year(s). Which means there will be less support and parts availability for 1999 Audi A6. In addition, the cost of maintenance, including insurance, on 1999 Audi A6 would be higher. At 2,351 cc (4 cylinders), 2006 Kia Optima is equipped with a bigger engine. In terms of performance, 1999 Audi A6 (149 HP @ 5700 RPM) has 11 more horse power than 2006 Kia Optima. (138 HP @ 5500 RPM). In normal driving conditions, 1999 Audi A6 should accelerate faster than 2006 Kia Optima. With that said, vehicle weight also plays an important factor in acceleration. 2006 Kia Optima weights approximately 620 kg more than 1999 Audi A6.
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, 1999 Audi A6 (210 Nm @ 1750 RPM) has 11 more torque (in Nm) than 2006 Kia Optima. (199 Nm @ 3000 RPM). This means 1999 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 2006 Kia Optima.
Compare all specifications:
| 1999 Audi A6 | 2006 Kia Optima | |
| Make | Audi | Kia |
| Model | A6 | Optima |
| Year Released | 1999 | 2006 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1781 cc | 2351 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 149 HP | 138 HP |
| Engine RPM | 5700 RPM | 5500 RPM |
| Torque | 210 Nm | 199 Nm |
| Torque RPM | 1750 RPM | 3000 RPM |
| Engine Bore Size | 81 mm | 86.5 mm |
| Engine Stroke Size | 86.4 mm | 100 mm |
| Engine Compression Ratio | 9.5:1 | 10.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1380 kg | 2000 kg |
| Vehicle Length | 4800 mm | 4730 mm |
| Vehicle Width | 1820 mm | 1820 mm |
| Vehicle Height | 1460 mm | 1420 mm |
| Wheelbase Size | 2850 mm | 2710 mm |
| Fuel Consumption Overall | 13 L/100km | 9.4 L/100km |
| Fuel Tank Capacity | 70 L | 65 L |
