1999 Buick Regal vs. 2010 Jaguar XJ
To start off, 2010 Jaguar XJ is newer by 11 year(s). Which means there will be less support and parts availability for 1999 Buick Regal. In addition, the cost of maintenance, including insurance, on 1999 Buick Regal would be higher. At 4,194 cc (8 cylinders), 2010 Jaguar XJ is equipped with a bigger engine. In terms of performance, 2010 Jaguar XJ (391 HP @ 6100 RPM) has 194 more horse power than 1999 Buick Regal. (197 HP @ 5200 RPM) In normal driving conditions, 2010 Jaguar XJ should accelerate faster than 1999 Buick Regal. With that said, vehicle weight also plays an important factor in acceleration. 2010 Jaguar XJ weights approximately 105 kg more than 1999 Buick Regal. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear 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, 2010 Jaguar XJ (541 Nm @ 4100 RPM) has 230 more torque (in Nm) than 1999 Buick Regal. (311 Nm @ 4000 RPM). This means 2010 Jaguar XJ will have an easier job in driving up hills or pulling heavy equipment than 1999 Buick Regal.
Compare all specifications:
| 1999 Buick Regal | 2010 Jaguar XJ | |
| Make | Buick | Jaguar |
| Model | Regal | XJ |
| Year Released | 1999 | 2010 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3789 cc | 4194 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 197 HP | 391 HP |
| Engine RPM | 5200 RPM | 6100 RPM |
| Torque | 311 Nm | 541 Nm |
| Torque RPM | 4000 RPM | 4100 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 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1560 kg | 1665 kg |
| Vehicle Length | 4990 mm | 5100 mm |
| Vehicle Width | 1850 mm | 1450 mm |
| Wheelbase Size | 2780 mm | 3040 mm |
| Fuel Tank Capacity | 64 L | 85 L |
