2006 Kia Optima vs. 2005 Volkswagen Passat
To start off, 2006 Kia Optima is newer by 1 year(s). Which means there will be less support and parts availability for 2005 Volkswagen Passat. In addition, the cost of maintenance, including insurance, on 2005 Volkswagen Passat would be higher. At 3,999 cc (8 cylinders), 2005 Volkswagen Passat is equipped with a bigger engine. In terms of performance, 2005 Volkswagen Passat (271 HP @ 6000 RPM) has 133 more horse power than 2006 Kia Optima. (138 HP @ 5500 RPM) In normal driving conditions, 2005 Volkswagen Passat should accelerate faster than 2006 Kia Optima. With that said, vehicle weight also plays an important factor in acceleration. 2006 Kia Optima weights approximately 176 kg more than 2005 Volkswagen Passat.
Because 2005 Volkswagen Passat 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, 2005 Volkswagen Passat 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, 2005 Volkswagen Passat (370 Nm @ 2750 RPM) has 171 more torque (in Nm) than 2006 Kia Optima. (199 Nm @ 3000 RPM). This means 2005 Volkswagen Passat will have an easier job in driving up hills or pulling heavy equipment than 2006 Kia Optima.
Compare all specifications:
| 2006 Kia Optima | 2005 Volkswagen Passat | |
| Make | Kia | Volkswagen |
| Model | Optima | Passat |
| Year Released | 2006 | 2005 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 2351 cc | 3999 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | W |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 138 HP | 271 HP |
| Engine RPM | 5500 RPM | 6000 RPM |
| Torque | 199 Nm | 370 Nm |
| Torque RPM | 3000 RPM | 2750 RPM |
| Engine Bore Size | 86.5 mm | 84 mm |
| Engine Stroke Size | 100 mm | 90.2 mm |
| Engine Compression Ratio | 10.0:1 | 10.8:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 2000 kg | 1824 kg |
| Vehicle Length | 4730 mm | 4690 mm |
| Vehicle Width | 1820 mm | 1750 mm |
| Vehicle Height | 1420 mm | 1500 mm |
| Wheelbase Size | 2710 mm | 2710 mm |
| Fuel Consumption Overall | 9.4 L/100km | 13.2 L/100km |
| Fuel Tank Capacity | 65 L | 80 L |
