2007 Jaguar XK vs. 2004 Kia Optima
To start off, 2007 Jaguar XK 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 4,196 cc (8 cylinders), 2007 Jaguar XK is equipped with a bigger engine. In terms of performance, 2007 Jaguar XK (294 HP @ 6000 RPM) has 124 more horse power than 2004 Kia Optima. (170 HP @ 4000 RPM). In normal driving conditions, 2007 Jaguar XK should accelerate faster than 2004 Kia Optima. With that said, vehicle weight also plays an important factor in acceleration. 2007 Jaguar XK weights approximately 178 kg more than 2004 Kia Optima. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Jaguar XK 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 2007 Jaguar XK. However, in wet, icy, snow, or gravel driving conditions, 2004 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, 2007 Jaguar XK (411 Nm) has 166 more torque (in Nm) than 2004 Kia Optima. (245 Nm). This means 2007 Jaguar XK will have an easier job in driving up hills or pulling heavy equipment than 2004 Kia Optima.
Compare all specifications:
| 2007 Jaguar XK | 2004 Kia Optima | |
| Make | Jaguar | Kia |
| Model | XK | Optima |
| Year Released | 2007 | 2004 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4196 cc | 2671 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 294 HP | 170 HP |
| Engine RPM | 6000 RPM | 4000 RPM |
| Torque | 411 Nm | 245 Nm |
| Engine Bore Size | 86 mm | 87 mm |
| Engine Stroke Size | 90.3 mm | 75 mm |
| Engine Compression Ratio | 11.0:1 | 10.0:1 |
| Drive Type | Rear | Front |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1665 kg | 1487 kg |
| Vehicle Length | 4800 mm | 4730 mm |
| Vehicle Width | 1790 mm | 1820 mm |
| Vehicle Height | 1440 mm | 1420 mm |
| Wheelbase Size | 2680 mm | 2720 mm |
| Fuel Consumption Overall | 11.3 L/100km | 10.2 L/100km |
| Fuel Tank Capacity | 60 L | 65 L |
