2007 Jaguar XJ vs. 2003 Opel Speedster
To start off, 2007 Jaguar XJ is newer by 4 year(s). Which means there will be less support and parts availability for 2003 Opel Speedster. In addition, the cost of maintenance, including insurance, on 2003 Opel Speedster would be higher. At 4,196 cc (8 cylinders), 2007 Jaguar XJ is equipped with a bigger engine. In terms of performance, 2007 Jaguar XJ (300 HP @ 6000 RPM) has 155 more horse power than 2003 Opel Speedster. (145 HP @ 6000 RPM). In normal driving conditions, 2007 Jaguar XJ should accelerate faster than 2003 Opel Speedster.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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 XJ (420 Nm @ 4100 RPM) has 217 more torque (in Nm) than 2003 Opel Speedster. (203 Nm @ 4000 RPM). This means 2007 Jaguar XJ will have an easier job in driving up hills or pulling heavy equipment than 2003 Opel Speedster. 2007 Jaguar XJ has automatic transmission and 2003 Opel Speedster has manual transmission. 2003 Opel Speedster will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Jaguar XJ will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Jaguar XJ | 2003 Opel Speedster | |
| Make | Jaguar | Opel |
| Model | XJ | Speedster |
| Year Released | 2007 | 2003 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Middle |
| Engine Size | 4196 cc | 2198 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 300 HP | 145 HP |
| Engine RPM | 6000 RPM | 6000 RPM |
| Torque | 420 Nm | 203 Nm |
| Torque RPM | 4100 RPM | 4000 RPM |
| Engine Bore Size | 86.1 mm | 86 mm |
| Engine Stroke Size | 90.3 mm | 94.6 mm |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Length | 5220 mm | 3790 mm |
| Vehicle Width | 1950 mm | 1710 mm |
| Vehicle Height | 1460 mm | 1120 mm |
| Wheelbase Size | 3170 mm | 2710 mm |
| Fuel Consumption Highway | 8.7 L/100km | 6.4 L/100km |
| Fuel Consumption City | 13.1 L/100km | 12.3 L/100km |
| Fuel Consumption Overall | 11.2 L/100km | 8.5 L/100km |
| Fuel Tank Capacity | 85 L | 36 L |
