1991 Buick Roadmaster vs. 2011 Jaguar XJ
To start off, 2011 Jaguar XJ is newer by 20 year(s). Which means there will be less support and parts availability for 1991 Buick Roadmaster. In addition, the cost of maintenance, including insurance, on 1991 Buick Roadmaster would be higher. At 5,731 cc (8 cylinders), 1991 Buick Roadmaster is equipped with a bigger engine. In terms of performance, 2011 Jaguar XJ (385 HP @ 6500 RPM) has 208 more horse power than 1991 Buick Roadmaster. (177 HP @ 4200 RPM) In normal driving conditions, 2011 Jaguar XJ should accelerate faster than 1991 Buick Roadmaster. With that said, vehicle weight also plays an important factor in acceleration. 1991 Buick Roadmaster weights approximately 5 kg more than 2011 Jaguar XJ.
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, 2011 Jaguar XJ (515 Nm @ 3500 RPM) has 122 more torque (in Nm) than 1991 Buick Roadmaster. (393 Nm @ 2400 RPM). This means 2011 Jaguar XJ will have an easier job in driving up hills or pulling heavy equipment than 1991 Buick Roadmaster.
Compare all specifications:
| 1991 Buick Roadmaster | 2011 Jaguar XJ | |
| Make | Buick | Jaguar |
| Model | Roadmaster | XJ |
| Year Released | 1991 | 2011 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 5731 cc | 5000 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 177 HP | 385 HP |
| Engine RPM | 4200 RPM | 6500 RPM |
| Torque | 393 Nm | 515 Nm |
| Torque RPM | 2400 RPM | 3500 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1840 kg | 1835 kg |
| Vehicle Length | 5280 mm | 5123 mm |
| Vehicle Width | 2040 mm | 1895 mm |
| Vehicle Height | 1650 mm | 1448 mm |
| Wheelbase Size | 2950 mm | 3033 mm |
| Fuel Tank Capacity | 75 L | 82 L |
