2005 Buick Regal vs. 2004 Jaguar XJ
To start off, 2005 Buick Regal is newer by 1 year(s). Which means there will be less support and parts availability for 2004 Jaguar XJ. In addition, the cost of maintenance, including insurance, on 2004 Jaguar XJ would be higher. At 4,193 cc (8 cylinders), 2004 Jaguar XJ is equipped with a bigger engine. In terms of performance, 2004 Jaguar XJ (400 HP @ 6100 RPM) has 203 more horse power than 2005 Buick Regal. (197 HP @ 5200 RPM) In normal driving conditions, 2004 Jaguar XJ should accelerate faster than 2005 Buick Regal. With that said, vehicle weight also plays an important factor in acceleration. 2004 Jaguar XJ weights approximately 129 kg more than 2005 Buick Regal. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2004 Jaguar XJ is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2004 Jaguar XJ. However, in wet, icy, snow, or gravel driving conditions, 2005 Buick Regal, being front wheel drive (FWD), will offer much better control with better grip. 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, 2004 Jaguar XJ (553 Nm @ 3500 RPM) has 242 more torque (in Nm) than 2005 Buick Regal. (311 Nm @ 4000 RPM). This means 2004 Jaguar XJ will have an easier job in driving up hills or pulling heavy equipment than 2005 Buick Regal.
Compare all specifications:
| 2005 Buick Regal | 2004 Jaguar XJ | |
| Make | Buick | Jaguar |
| Model | Regal | XJ |
| Year Released | 2005 | 2004 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3791 cc | 4193 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 197 HP | 400 HP |
| Engine RPM | 5200 RPM | 6100 RPM |
| Torque | 311 Nm | 553 Nm |
| Torque RPM | 4000 RPM | 3500 RPM |
| Engine Bore Size | 97 mm | 86 mm |
| Engine Stroke Size | 86 mm | 90.3 mm |
| Engine Compression Ratio | 9.4:1 | 9.1:1 |
| Drive Type | Front | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1560 kg | 1689 kg |
| Vehicle Length | 4990 mm | 5220 mm |
| Vehicle Width | 1850 mm | 1870 mm |
| Vehicle Height | 1440 mm | 1450 mm |
| Wheelbase Size | 2780 mm | 3170 mm |
| Fuel Tank Capacity | 64 L | 85 L |
