1998 Jaguar XK vs. 2007 Kia Optima
To start off, 2007 Kia Optima is newer by 9 year(s). Which means there will be less support and parts availability for 1998 Jaguar XK. In addition, the cost of maintenance, including insurance, on 1998 Jaguar XK would be higher. At 3,996 cc (8 cylinders), 1998 Jaguar XK is equipped with a bigger engine. In terms of performance, 1998 Jaguar XK (445 HP @ 6300 RPM) has 260 more horse power than 2007 Kia Optima. (185 HP @ 6000 RPM). In normal driving conditions, 1998 Jaguar XK should accelerate faster than 2007 Kia Optima. With that said, vehicle weight also plays an important factor in acceleration. 1998 Jaguar XK weights approximately 78 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 1998 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 1998 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, 1998 Jaguar XK (615 Nm @ 4600 RPM) has 368 more torque (in Nm) than 2007 Kia Optima. (247 Nm @ 4000 RPM). This means 1998 Jaguar XK will have an easier job in driving up hills or pulling heavy equipment than 2007 Kia Optima.
Compare all specifications:
| 1998 Jaguar XK | 2007 Kia Optima | |
| Make | Jaguar | Kia |
| Model | XK | Optima |
| Year Released | 1998 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 3996 cc | 2654 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 445 HP | 185 HP |
| Engine RPM | 6300 RPM | 6000 RPM |
| Torque | 615 Nm | 247 Nm |
| Torque RPM | 4600 RPM | 4000 RPM |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1565 kg | 1487 kg |
| Vehicle Length | 4420 mm | 4740 mm |
| Vehicle Width | 1830 mm | 1810 mm |
| Vehicle Height | 1140 mm | 1490 mm |
