2007 Jaguar XJ vs. 2004 Jaguar Concept Eight
To start off, 2007 Jaguar XJ is newer by 3 year(s). Which means there will be less support and parts availability for 2004 Jaguar Concept Eight. In addition, the cost of maintenance, including insurance, on 2004 Jaguar Concept Eight would be higher. At 4,196 cc (8 cylinders), 2007 Jaguar XJ is equipped with a bigger engine. In terms of performance, 2004 Jaguar Concept Eight (395 HP @ 6100 RPM) has 95 more horse power than 2007 Jaguar XJ. (300 HP @ 6000 RPM) In normal driving conditions, 2004 Jaguar Concept Eight should accelerate faster than 2007 Jaguar XJ.
Let's talk about torque, 2004 Jaguar Concept Eight (553 Nm @ 3500 RPM) has 133 more torque (in Nm) than 2007 Jaguar XJ. (420 Nm @ 4100 RPM). This means 2004 Jaguar Concept Eight will have an easier job in driving up hills or pulling heavy equipment than 2007 Jaguar XJ.
Compare all specifications:
| 2007 Jaguar XJ | 2004 Jaguar Concept Eight | |
| Make | Jaguar | Jaguar |
| Model | XJ | Concept Eight |
| Year Released | 2007 | 2004 |
| Engine Position | Front | Front |
| Engine Size | 4196 cc | 4195 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 300 HP | 395 HP |
| Engine RPM | 6000 RPM | 6100 RPM |
| Torque | 420 Nm | 553 Nm |
| Torque RPM | 4100 RPM | 3500 RPM |
| Engine Bore Size | 86 mm | 86 mm |
| Engine Stroke Size | 90.3 mm | 90.3 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Length | 5100 mm | 5220 mm |
| Vehicle Width | 1950 mm | 1870 mm |
| Wheelbase Size | 3040 mm | 3170 mm |
