2006 BMW 645 vs. 2003 Jaguar XK
To start off, 2006 BMW 645 is newer by 3 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 4,398 cc (8 cylinders), 2006 BMW 645 is equipped with a bigger engine. In terms of performance, 2003 Jaguar XK (395 HP @ 6100 RPM) has 67 more horse power than 2006 BMW 645. (328 HP @ 6100 RPM) In normal driving conditions, 2003 Jaguar XK should accelerate faster than 2006 BMW 645. With that said, vehicle weight also plays an important factor in acceleration. 2003 Jaguar XK weights approximately 8 kg more than 2006 BMW 645. 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, 2003 Jaguar XK (553 Nm @ 3500 RPM) has 103 more torque (in Nm) than 2006 BMW 645. (450 Nm @ 3600 RPM). This means 2003 Jaguar XK will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW 645. 2003 Jaguar XK has automatic transmission and 2006 BMW 645 has manual transmission. 2006 BMW 645 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2003 Jaguar XK will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2006 BMW 645 | 2003 Jaguar XK | |
| Make | BMW | Jaguar |
| Model | 645 | XK |
| Year Released | 2006 | 2003 |
| Body Type | Coupe | Convertible |
| Engine Position | Front | Front |
| Engine Size | 4398 cc | 4196 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 328 HP | 395 HP |
| Engine RPM | 6100 RPM | 6100 RPM |
| Torque | 450 Nm | 553 Nm |
| Torque RPM | 3600 RPM | 3500 RPM |
| Engine Bore Size | 92 mm | 86 mm |
| Engine Stroke Size | 83 mm | 90.3 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1810 kg | 1818 kg |
| Vehicle Length | 4830 mm | 4770 mm |
| Vehicle Width | 1860 mm | 1840 mm |
| Vehicle Height | 1380 mm | 1320 mm |
| Wheelbase Size | 2790 mm | 2600 mm |
| Fuel Tank Capacity | 70 L | 75 L |
