2007 Jaguar XJ8 vs. 2005 Opel Speedster
To start off, 2007 Jaguar XJ8 is newer by 2 year(s). Which means there will be less support and parts availability for 2005 Opel Speedster. In addition, the cost of maintenance, including insurance, on 2005 Opel Speedster would be higher. At 4,196 cc (8 cylinders), 2007 Jaguar XJ8 is equipped with a bigger engine. In terms of performance, 2007 Jaguar XJ8 (301 HP @ 6000 RPM) has 104 more horse power than 2005 Opel Speedster. (197 HP @ 5500 RPM). In normal driving conditions, 2007 Jaguar XJ8 should accelerate faster than 2005 Opel Speedster. With that said, vehicle weight also plays an important factor in acceleration. 2007 Jaguar XJ8 weights approximately 634 kg more than 2005 Opel Speedster. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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 XJ8 (420 Nm @ 4100 RPM) has 169 more torque (in Nm) than 2005 Opel Speedster. (251 Nm @ 1950 RPM). This means 2007 Jaguar XJ8 will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Speedster. 2007 Jaguar XJ8 has automatic transmission and 2005 Opel Speedster has manual transmission. 2005 Opel Speedster 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 | 2005 Opel Speedster | |
| Make | Jaguar | Opel |
| Model | XJ8 | Speedster |
| Year Released | 2007 | 2005 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Middle |
| Engine Size | 4196 cc | 1998 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 301 HP | 197 HP |
| Engine RPM | 6000 RPM | 5500 RPM |
| Torque | 420 Nm | 251 Nm |
| Torque RPM | 4100 RPM | 1950 RPM |
| Engine Bore Size | 86 mm | 86 mm |
| Engine Stroke Size | 90.3 mm | 86 mm |
| Fuel Type | Gasoline | Gasoline - Premium |
| Top Speed | 250 km/hour | 243 km/hour |
| Acceleration 0-100mph | 6.6 seconds | 4.9 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1639 kg | 1005 kg |
| Vehicle Length | 5220 mm | 3790 mm |
| Vehicle Width | 1450 mm | 1710 mm |
| Wheelbase Size | 3170 mm | 2340 mm |
| Fuel Consumption Overall | 11.1 L/100km | 8.5 L/100km |
| Fuel Tank Capacity | 85 L | 36 L |
