2003 Jaguar XK vs. 2004 Jaguar Concept Eight
To start off, 2004 Jaguar Concept Eight is newer by 1 year(s). Which means there will be less support and parts availability for 2003 Jaguar XK. In addition, the cost of maintenance, including insurance, on 2003 Jaguar XK would be higher. At 4,195 cc (8 cylinders), 2004 Jaguar Concept Eight is equipped with a bigger engine. In terms of performance, 2004 Jaguar Concept Eight (395 HP @ 6100 RPM) has 105 more horse power than 2003 Jaguar XK. (290 HP @ 6100 RPM) In normal driving conditions, 2004 Jaguar Concept Eight should accelerate faster than 2003 Jaguar XK.
Let's talk about torque, 2004 Jaguar Concept Eight (553 Nm @ 3500 RPM) has 160 more torque (in Nm) than 2003 Jaguar XK. (393 Nm @ 4250 RPM). This means 2004 Jaguar Concept Eight will have an easier job in driving up hills or pulling heavy equipment than 2003 Jaguar XK.
Compare all specifications:
| 2003 Jaguar XK | 2004 Jaguar Concept Eight | |
| Make | Jaguar | Jaguar |
| Model | XK | Concept Eight |
| Year Released | 2003 | 2004 |
| Engine Position | Front | Front |
| Engine Size | 3994 cc | 4195 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 290 HP | 395 HP |
| Engine RPM | 6100 RPM | 6100 RPM |
| Torque | 393 Nm | 553 Nm |
| Torque RPM | 4250 RPM | 3500 RPM |
| Engine Bore Size | 86 mm | 86 mm |
| Engine Stroke Size | 86 mm | 90.3 mm |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 4 seats | 5 seats |
| Vehicle Length | 4770 mm | 5220 mm |
| Vehicle Width | 1840 mm | 1870 mm |
| Wheelbase Size | 3040 mm | 3170 mm |
