2006 Kia Optima vs. 2011 Jaguar XJ
To start off, 2011 Jaguar XJ is newer by 5 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 5,000 cc (8 cylinders), 2011 Jaguar XJ is equipped with a bigger engine. In terms of performance, 2011 Jaguar XJ (510 HP @ 6000 RPM) has 372 more horse power than 2006 Kia Optima. (138 HP @ 5500 RPM) In normal driving conditions, 2011 Jaguar XJ should accelerate faster than 2006 Kia Optima. With that said, vehicle weight also plays an important factor in acceleration. 2006 Kia Optima weights approximately 43 kg more than 2011 Jaguar XJ.
Because 2011 Jaguar XJ is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2011 Jaguar XJ. However, in wet, icy, snow, or gravel driving conditions, 2006 Kia Optima, being front wheel drive (FWD), will offer much better control with better grip. 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, 2011 Jaguar XJ (624 Nm @ 2500 RPM) has 425 more torque (in Nm) than 2006 Kia Optima. (199 Nm @ 3000 RPM). This means 2011 Jaguar XJ will have an easier job in driving up hills or pulling heavy equipment than 2006 Kia Optima.
Compare all specifications:
| 2006 Kia Optima | 2011 Jaguar XJ | |
| Make | Kia | Jaguar |
| Model | Optima | XJ |
| Year Released | 2006 | 2011 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2360 cc | 5000 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 138 HP | 510 HP |
| Engine RPM | 5500 RPM | 6000 RPM |
| Torque | 199 Nm | 624 Nm |
| Torque RPM | 3000 RPM | 2500 RPM |
| Drive Type | Front | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 2004 kg | 1961 kg |
| Vehicle Length | 4730 mm | 5248 mm |
| Vehicle Width | 1820 mm | 1895 mm |
| Vehicle Height | 1420 mm | 1448 mm |
| Wheelbase Size | 2710 mm | 3157 mm |
| Fuel Consumption | 7.8 L/100km | 11.2 L/100km |
| Fuel Consumption City | 10.7 L/100km | 15.7 L/100km |
| Fuel Tank Capacity | 65 L | 82 L |
