2007 Audi A4 vs. 2006 Kia Optima
To start off, 2007 Audi A4 is newer by 1 year(s). Which means there will be less support and parts availability for 2006 Kia Optima. In addition, the cost of maintenance, including insurance, on 2006 Kia Optima would be higher. At 2,967 cc, 2007 Audi A4 is equipped with a bigger engine. In terms of performance, 2007 Audi A4 (201 HP @ 4500 RPM) has 63 more horse power than 2006 Kia Optima. (138 HP @ 5500 RPM). In normal driving conditions, 2007 Audi A4 should accelerate faster than 2006 Kia Optima. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi A4 weights approximately 217 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.
Because 2007 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 2006 Kia Optima. In wet, icy, snow, or gravel driving conditions, 2007 Audi A4 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, 2007 Audi A4 (450 Nm @ 1400 RPM) has 251 more torque (in Nm) than 2006 Kia Optima. (199 Nm @ 3000 RPM). This means 2007 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2006 Kia Optima.
Compare all specifications:
| 2007 Audi A4 | 2006 Kia Optima | |
| Make | Audi | Kia |
| Model | A4 | Optima |
| Year Released | 2007 | 2006 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2967 cc | 2360 cc |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 201 HP | 138 HP |
| Engine RPM | 4500 RPM | 5500 RPM |
| Torque | 450 Nm | 199 Nm |
| Torque RPM | 1400 RPM | 3000 RPM |
| Engine Compression Ratio | 17.0:1 | 10.0:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Drive Type | 4WD | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1705 kg | 1488 kg |
| Vehicle Length | 4590 mm | 4730 mm |
| Vehicle Width | 1780 mm | 1820 mm |
| Vehicle Height | 1430 mm | 1420 mm |
| Wheelbase Size | 2650 mm | 2710 mm |
| Fuel Consumption Overall | 8.3 L/100km | 9.4 L/100km |
| Fuel Tank Capacity | 66 L | 65 L |
