2005 Kia Optima vs. 2012 Jaguar XJ
To start off, 2012 Jaguar XJ is newer by 7 year(s). Which means there will be less support and parts availability for 2005 Kia Optima. In addition, the cost of maintenance, including insurance, on 2005 Kia Optima would be higher. At 5,000 cc (8 cylinders), 2012 Jaguar XJ is equipped with a bigger engine. In terms of performance, 2012 Jaguar XJ (470 HP @ 6000 RPM) has 300 more horse power than 2005 Kia Optima. (170 HP @ 4000 RPM) In normal driving conditions, 2012 Jaguar XJ should accelerate faster than 2005 Kia Optima. With that said, vehicle weight also plays an important factor in acceleration. 2012 Jaguar XJ weights approximately 474 kg more than 2005 Kia Optima. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2012 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 2012 Jaguar XJ. However, in wet, icy, snow, or gravel driving conditions, 2005 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, 2012 Jaguar XJ (574 Nm) has 333 more torque (in Nm) than 2005 Kia Optima. (241 Nm). This means 2012 Jaguar XJ will have an easier job in driving up hills or pulling heavy equipment than 2005 Kia Optima.
Compare all specifications:
| 2005 Kia Optima | 2012 Jaguar XJ | |
| Make | Kia | Jaguar |
| Model | Optima | XJ |
| Year Released | 2005 | 2012 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2671 cc | 5000 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 170 HP | 470 HP |
| Engine RPM | 4000 RPM | 6000 RPM |
| Torque | 241 Nm | 574 Nm |
| Drive Type | Front | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1487 kg | 1961 kg |
| Vehicle Length | 4730 mm | 5252 mm |
| Vehicle Width | 1820 mm | 1895 mm |
| Vehicle Height | 1420 mm | 1456 mm |
| Wheelbase Size | 2710 mm | 3157 mm |
| Fuel Consumption | 8.9 L/100km | 11.2 L/100km |
| Fuel Consumption City | 11.9 L/100km | 15.7 L/100km |
| Fuel Tank Capacity | 65 L | 82 L |
