2009 Jaguar XK vs. 2004 Jaguar Concept Eight
To start off, 2009 Jaguar XK is newer by 5 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), 2009 Jaguar XK is equipped with a bigger engine. In terms of performance, 2009 Jaguar XK (410 HP @ 6250 RPM) has 15 more horse power than 2004 Jaguar Concept Eight. (395 HP @ 6100 RPM). In normal driving conditions, 2009 Jaguar XK should accelerate faster than 2004 Jaguar Concept Eight.
Let's talk about torque, 2009 Jaguar XK (560 Nm @ 4000 RPM) has 7 more torque (in Nm) than 2004 Jaguar Concept Eight. (553 Nm @ 3500 RPM). This means 2009 Jaguar XK will have an easier job in driving up hills or pulling heavy equipment than 2004 Jaguar Concept Eight.
Compare all specifications:
| 2009 Jaguar XK | 2004 Jaguar Concept Eight | |
| Make | Jaguar | Jaguar |
| Model | XK | Concept Eight |
| Year Released | 2009 | 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 | 410 HP | 395 HP |
| Engine RPM | 6250 RPM | 6100 RPM |
| Torque | 560 Nm | 553 Nm |
| Torque RPM | 4000 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 | 4 seats | 5 seats |
| Vehicle Length | 4800 mm | 5220 mm |
| Vehicle Width | 1900 mm | 1870 mm |
| Wheelbase Size | 2760 mm | 3170 mm |
