2005 Jaguar XJ vs. 2007 Kia Optima
To start off, 2007 Kia Optima is newer by 2 year(s). Which means there will be less support and parts availability for 2005 Jaguar XJ. In addition, the cost of maintenance, including insurance, on 2005 Jaguar XJ would be higher. At 2,966 cc (6 cylinders), 2005 Jaguar XJ is equipped with a bigger engine. In terms of performance, 2005 Jaguar XJ (241 HP @ 6800 RPM) has 56 more horse power than 2007 Kia Optima. (185 HP @ 6000 RPM). In normal driving conditions, 2005 Jaguar XJ should accelerate faster than 2007 Kia Optima. With that said, vehicle weight also plays an important factor in acceleration. 2005 Jaguar XJ weights approximately 58 kg more than 2007 Kia Optima. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 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 2005 Jaguar XJ. However, in wet, icy, snow, or gravel driving conditions, 2007 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, 2005 Jaguar XJ (293 Nm @ 4100 RPM) has 46 more torque (in Nm) than 2007 Kia Optima. (247 Nm @ 4000 RPM). This means 2005 Jaguar XJ will have an easier job in driving up hills or pulling heavy equipment than 2007 Kia Optima.
Compare all specifications:
| 2005 Jaguar XJ | 2007 Kia Optima | |
| Make | Jaguar | Kia |
| Model | XJ | Optima |
| Year Released | 2005 | 2007 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2966 cc | 2654 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 241 HP | 185 HP |
| Engine RPM | 6800 RPM | 6000 RPM |
| Torque | 293 Nm | 247 Nm |
| Torque RPM | 4100 RPM | 4000 RPM |
| Engine Bore Size | 89 mm | 86.7 mm |
| Engine Stroke Size | 79.5 mm | 75 mm |
| Engine Compression Ratio | 11.0:1 | 10.4:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1545 kg | 1487 kg |
| Vehicle Length | 5100 mm | 4740 mm |
| Vehicle Width | 1870 mm | 1810 mm |
| Vehicle Height | 1450 mm | 1490 mm |
| Wheelbase Size | 3170 mm | 2730 mm |
| Fuel Consumption Overall | 10.5 L/100km | 9.4 L/100km |
| Fuel Tank Capacity | 85 L | 62 L |
