2007 Audi A4 vs. 2004 Kia Optima
To start off, 2007 Audi A4 is newer by 3 year(s). Which means there will be less support and parts availability for 2004 Kia Optima. In addition, the cost of maintenance, including insurance, on 2004 Kia Optima would be higher. At 2,967 cc (6 cylinders), 2007 Audi A4 is equipped with a bigger engine. In terms of performance, 2007 Audi A4 (222 HP @ 4000 RPM) has 85 more horse power than 2004 Kia Optima. (137 HP @ 4000 RPM). In normal driving conditions, 2007 Audi A4 should accelerate faster than 2004 Kia Optima. With that said, vehicle weight also plays an important factor in acceleration. 2004 Kia Optima weights approximately 213 kg more than 2007 Audi A4.
Because 2007 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 2004 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) has 251 more torque (in Nm) than 2004 Kia Optima. (199 Nm). This means 2007 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2004 Kia Optima.
Compare all specifications:
| 2007 Audi A4 | 2004 Kia Optima | |
| Make | Audi | Kia |
| Model | A4 | Optima |
| Year Released | 2007 | 2004 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2967 cc | 2360 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 222 HP | 137 HP |
| Engine RPM | 4000 RPM | 4000 RPM |
| Torque | 450 Nm | 199 Nm |
| Engine Bore Size | 83 mm | 87.1 mm |
| Engine Stroke Size | 91.4 mm | 100 mm |
| Engine Compression Ratio | 17.0:1 | 10.0:1 |
| Drive Type | 4WD | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1275 kg | 1488 kg |
| Vehicle Length | 4590 mm | 4730 mm |
| Vehicle Width | 1780 mm | 1820 mm |
| Vehicle Height | 1430 mm | 1420 mm |
| Wheelbase Size | 2660 mm | 2710 mm |
| Fuel Consumption Overall | 7.6 L/100km | 9.4 L/100km |
| Fuel Tank Capacity | 70 L | 65 L |
