2003 Jaguar XK vs. 2007 Kia Optima
To start off, 2007 Kia Optima is newer by 4 year(s). Which means there will be less support and parts availability for 2003 Jaguar XK. In addition, the cost of maintenance, including insurance, on 2003 Jaguar XK would be higher. At 4,196 cc (8 cylinders), 2003 Jaguar XK is equipped with a bigger engine. In terms of performance, 2003 Jaguar XK (395 HP @ 6100 RPM) has 210 more horse power than 2007 Kia Optima. (185 HP @ 6000 RPM). In normal driving conditions, 2003 Jaguar XK should accelerate faster than 2007 Kia Optima. With that said, vehicle weight also plays an important factor in acceleration. 2003 Jaguar XK weights approximately 331 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 2003 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 2003 Jaguar XK. 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, 2003 Jaguar XK (553 Nm @ 3500 RPM) has 306 more torque (in Nm) than 2007 Kia Optima. (247 Nm @ 4000 RPM). This means 2003 Jaguar XK will have an easier job in driving up hills or pulling heavy equipment than 2007 Kia Optima.
Compare all specifications:
2003 Jaguar XK | 2007 Kia Optima | |
Make | Jaguar | Kia |
Model | XK | Optima |
Year Released | 2003 | 2007 |
Body Type | Convertible | Sedan |
Engine Position | Front | Front |
Engine Size | 4196 cc | 2654 cc |
Engine Cylinders | 8 cylinders | 6 cylinders |
Engine Type | V | V |
Valves per Cylinder | 4 valves | 4 valves |
Horse Power | 395 HP | 185 HP |
Engine RPM | 6100 RPM | 6000 RPM |
Torque | 553 Nm | 247 Nm |
Torque RPM | 3500 RPM | 4000 RPM |
Engine Bore Size | 86 mm | 86.7 mm |
Engine Stroke Size | 90.3 mm | 75 mm |
Fuel Type | Gasoline | Gasoline - Premium |
Drive Type | Rear | Front |
Transmission Type | Automatic | Automatic |
Number of Seats | 4 seats | 5 seats |
Number of Doors | 2 doors | 4 doors |
Vehicle Weight | 1818 kg | 1487 kg |
Vehicle Length | 4770 mm | 4740 mm |
Vehicle Width | 1840 mm | 1810 mm |
Vehicle Height | 1320 mm | 1490 mm |
Wheelbase Size | 2600 mm | 2730 mm |
Fuel Tank Capacity | 75 L | 62 L |