1991 Buick Roadmaster vs. 1987 Jaguar XJS
To start off, 1991 Buick Roadmaster is newer by 4 year(s). Which means there will be less support and parts availability for 1987 Jaguar XJS. In addition, the cost of maintenance, including insurance, on 1987 Jaguar XJS would be higher. At 5,731 cc (8 cylinders), 1991 Buick Roadmaster is equipped with a bigger engine. In terms of performance, 1987 Jaguar XJS (217 HP @ 5300 RPM) has 40 more horse power than 1991 Buick Roadmaster. (177 HP @ 4200 RPM) In normal driving conditions, 1987 Jaguar XJS should accelerate faster than 1991 Buick Roadmaster. With that said, vehicle weight also plays an important factor in acceleration. 1991 Buick Roadmaster weights approximately 210 kg more than 1987 Jaguar XJS.
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, 1991 Buick Roadmaster (393 Nm @ 2400 RPM) has 62 more torque (in Nm) than 1987 Jaguar XJS. (331 Nm @ 4000 RPM). This means 1991 Buick Roadmaster will have an easier job in driving up hills or pulling heavy equipment than 1987 Jaguar XJS. 1991 Buick Roadmaster has automatic transmission and 1987 Jaguar XJS has manual transmission. 1987 Jaguar XJS will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1991 Buick Roadmaster will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1991 Buick Roadmaster | 1987 Jaguar XJS | |
| Make | Buick | Jaguar |
| Model | Roadmaster | XJS |
| Year Released | 1991 | 1987 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 5731 cc | 3590 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Horse Power | 177 HP | 217 HP |
| Engine RPM | 4200 RPM | 5300 RPM |
| Torque | 393 Nm | 331 Nm |
| Torque RPM | 2400 RPM | 4000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1840 kg | 1630 kg |
| Vehicle Length | 5280 mm | 4880 mm |
| Vehicle Width | 2040 mm | 1800 mm |
| Vehicle Height | 1650 mm | 1270 mm |
| Wheelbase Size | 2950 mm | 2600 mm |
