2006 Jaguar XK vs. 2003 Opel Signum
To start off, 2006 Jaguar XK is newer by 3 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 4,196 cc (8 cylinders), 2006 Jaguar XK is equipped with a bigger engine. In terms of performance, 2006 Jaguar XK (294 HP @ 6000 RPM) has 87 more horse power than 2003 Opel Signum. (207 HP @ 6200 RPM). In normal driving conditions, 2006 Jaguar XK should accelerate faster than 2003 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2006 Jaguar XK weights approximately 107 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 2006 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 2006 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, 2006 Jaguar XK (411 Nm @ 4100 RPM) has 111 more torque (in Nm) than 2003 Opel Signum. (300 Nm @ 4000 RPM). This means 2006 Jaguar XK will have an easier job in driving up hills or pulling heavy equipment than 2003 Opel Signum.
Compare all specifications:
| 2006 Jaguar XK | 2003 Opel Signum | |
| Make | Jaguar | Opel |
| Model | XK | Signum |
| Year Released | 2006 | 2003 |
| Body Type | Coupe | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 4196 cc | 3173 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 294 HP | 207 HP |
| Engine RPM | 6000 RPM | 6200 RPM |
| Torque | 411 Nm | 300 Nm |
| Torque RPM | 4100 RPM | 4000 RPM |
| Engine Bore Size | 86 mm | 87.5 mm |
| Engine Stroke Size | 90.3 mm | 88 mm |
| Engine Compression Ratio | 11.0:1 | 10.0:1 |
| Top Speed | 250 km/hour | 235 km/hour |
| Acceleration 0-100mph | 6.5 seconds | 8.5 seconds |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1720 kg | 1613 kg |
| Vehicle Length | 4800 mm | 4640 mm |
| Vehicle Width | 2080 mm | 1800 mm |
| Vehicle Height | 1330 mm | 1470 mm |
| Wheelbase Size | 2760 mm | 2840 mm |
| Fuel Consumption Overall | 11.3 L/100km | 10.7 L/100km |
| Fuel Tank Capacity | 70 L | 60 L |
