2008 Jaguar XJ vs. 2006 Opel Signum
To start off, 2008 Jaguar XJ is newer by 2 year(s). Which means there will be less support and parts availability for 2006 Opel Signum. In addition, the cost of maintenance, including insurance, on 2006 Opel Signum would be higher. At 4,196 cc (8 cylinders), 2008 Jaguar XJ is equipped with a bigger engine. In terms of performance, 2008 Jaguar XJ (400 HP @ 6100 RPM) has 225 more horse power than 2006 Opel Signum. (175 HP @ 4000 RPM). In normal driving conditions, 2008 Jaguar XJ should accelerate faster than 2006 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2008 Jaguar XJ weights approximately 64 kg more than 2006 Opel Signum. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 Jaguar XJ 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 2008 Jaguar XJ. However, in wet, icy, snow, or gravel driving conditions, 2006 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, 2008 Jaguar XJ (560 Nm @ 3500 RPM) has 190 more torque (in Nm) than 2006 Opel Signum. (370 Nm @ 1900 RPM). This means 2008 Jaguar XJ will have an easier job in driving up hills or pulling heavy equipment than 2006 Opel Signum.
Compare all specifications:
| 2008 Jaguar XJ | 2006 Opel Signum | |
| Make | Jaguar | Opel |
| Model | XJ | Signum |
| Year Released | 2008 | 2006 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 4196 cc | 2958 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 400 HP | 175 HP |
| Engine RPM | 6100 RPM | 4000 RPM |
| Torque | 560 Nm | 370 Nm |
| Torque RPM | 3500 RPM | 1900 RPM |
| Engine Compression Ratio | 9.1:1 | 18.5:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Top Speed | 245 km/hour | 221 km/hour |
| Acceleration 0-100mph | 5.3 seconds | 9.4 seconds |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1734 kg | 1670 kg |
| Vehicle Length | 5100 mm | 4640 mm |
| Vehicle Width | 1870 mm | 1800 mm |
| Vehicle Height | 1450 mm | 1470 mm |
| Wheelbase Size | 3170 mm | 2840 mm |
| Fuel Consumption Overall | 12.5 L/100km | 7.6 L/100km |
| Fuel Tank Capacity | 84 L | 60 L |
