2007 Jaguar XJ8 vs. 2003 Opel Vectra
To start off, 2007 Jaguar XJ8 is newer by 4 year(s). Which means there will be less support and parts availability for 2003 Opel Vectra. In addition, the cost of maintenance, including insurance, on 2003 Opel Vectra would be higher. At 3,555 cc (8 cylinders), 2007 Jaguar XJ8 is equipped with a bigger engine. In terms of performance, 2007 Jaguar XJ8 (255 HP @ 6250 RPM) has 80 more horse power than 2003 Opel Vectra. (175 HP @ 5400 RPM). In normal driving conditions, 2007 Jaguar XJ8 should accelerate faster than 2003 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2007 Jaguar XJ8 weights approximately 184 kg more than 2003 Opel Vectra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Jaguar XJ8 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 2007 Jaguar XJ8. However, in wet, icy, snow, or gravel driving conditions, 2003 Opel Vectra, 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, 2007 Jaguar XJ8 (335 Nm @ 4200 RPM) has 65 more torque (in Nm) than 2003 Opel Vectra. (270 Nm @ 2500 RPM). This means 2007 Jaguar XJ8 will have an easier job in driving up hills or pulling heavy equipment than 2003 Opel Vectra. 2007 Jaguar XJ8 has automatic transmission and 2003 Opel Vectra has manual transmission. 2003 Opel Vectra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Jaguar XJ8 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Jaguar XJ8 | 2003 Opel Vectra | |
| Make | Jaguar | Opel |
| Model | XJ8 | Vectra |
| Year Released | 2007 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 3555 cc | 1995 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 255 HP | 175 HP |
| Engine RPM | 6250 RPM | 5400 RPM |
| Torque | 335 Nm | 270 Nm |
| Torque RPM | 4200 RPM | 2500 RPM |
| Engine Bore Size | 86 mm | 86 mm |
| Engine Stroke Size | 76.5 mm | 86 mm |
| Engine Compression Ratio | 11.0:1 | 9.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1684 kg | 1500 kg |
| Vehicle Length | 5100 mm | 4830 mm |
| Vehicle Width | 1870 mm | 1800 mm |
| Vehicle Height | 1450 mm | 1510 mm |
