2005 Jaguar XK vs. 2003 Opel Signum
To start off, 2005 Jaguar XK is newer by 2 year(s). Which means there will be less support and parts availability for 2003 Opel Signum. In addition, the cost of maintenance, including insurance, on 2003 Opel Signum would be higher. At 4,195 cc (8 cylinders), 2005 Jaguar XK is equipped with a bigger engine. In terms of performance, 2005 Jaguar XK (390 HP @ 6150 RPM) has 181 more horse power than 2003 Opel Signum. (209 HP @ 6200 RPM). In normal driving conditions, 2005 Jaguar XK should accelerate faster than 2003 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2005 Jaguar XK weights approximately 288 kg more than 2003 Opel Signum. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 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 2005 Jaguar XK. However, in wet, icy, snow, or gravel driving conditions, 2003 Opel Signum, 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 XK (541 Nm) has 241 more torque (in Nm) than 2003 Opel Signum. (300 Nm). This means 2005 Jaguar XK will have an easier job in driving up hills or pulling heavy equipment than 2003 Opel Signum.
Compare all specifications:
| 2005 Jaguar XK | 2003 Opel Signum | |
| Make | Jaguar | Opel |
| Model | XK | Signum |
| Year Released | 2005 | 2003 |
| Body Type | Convertible | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 4195 cc | 3175 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 390 HP | 209 HP |
| Engine RPM | 6150 RPM | 6200 RPM |
| Torque | 541 Nm | 300 Nm |
| Engine Bore Size | 86 mm | 87.5 mm |
| Engine Stroke Size | 90 mm | 88 mm |
| Drive Type | Rear | Front |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1833 kg | 1545 kg |
| Vehicle Length | 4780 mm | 4640 mm |
| Vehicle Width | 1800 mm | 1800 mm |
| Vehicle Height | 1290 mm | 1470 mm |
| Wheelbase Size | 2590 mm | 2840 mm |
| Fuel Tank Capacity | 75 L | 60 L |
