2003 Jaguar XK vs. 2008 Opel Signum
To start off, 2008 Opel Signum is newer by 5 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 187 more horse power than 2008 Opel Signum. (208 HP @ 6200 RPM). In normal driving conditions, 2003 Jaguar XK should accelerate faster than 2008 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2003 Jaguar XK weights approximately 208 kg more than 2008 Opel Signum. 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, 2008 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, 2003 Jaguar XK (553 Nm @ 3500 RPM) has 253 more torque (in Nm) than 2008 Opel Signum. (300 Nm @ 4000 RPM). This means 2003 Jaguar XK will have an easier job in driving up hills or pulling heavy equipment than 2008 Opel Signum.
Compare all specifications:
| 2003 Jaguar XK | 2008 Opel Signum | |
| Make | Jaguar | Opel |
| Model | XK | Signum |
| Year Released | 2003 | 2008 |
| Body Type | Convertible | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 4196 cc | 3175 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 395 HP | 208 HP |
| Engine RPM | 6100 RPM | 6200 RPM |
| Torque | 553 Nm | 300 Nm |
| Torque RPM | 3500 RPM | 4000 RPM |
| Engine Bore Size | 86 mm | 87.5 mm |
| Engine Stroke Size | 90.3 mm | 88 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 | 5 doors |
| Vehicle Weight | 1818 kg | 1610 kg |
| Vehicle Length | 4770 mm | 4640 mm |
| Vehicle Width | 1840 mm | 1800 mm |
| Vehicle Height | 1320 mm | 1470 mm |
| Wheelbase Size | 2600 mm | 2840 mm |
| Fuel Tank Capacity | 75 L | 60 L |
