1990 Buick Roadmaster vs. 1991 Jaguar XJS
To start off, 1991 Jaguar XJS is newer by 1 year(s). Which means there will be less support and parts availability for 1990 Buick Roadmaster. In addition, the cost of maintenance, including insurance, on 1990 Buick Roadmaster would be higher. At 5,342 cc (12 cylinders), 1991 Jaguar XJS is equipped with a bigger engine. In terms of performance, 1991 Jaguar XJS (291 HP @ 5500 RPM) has 123 more horse power than 1990 Buick Roadmaster. (168 HP @ 4200 RPM) In normal driving conditions, 1991 Jaguar XJS should accelerate faster than 1990 Buick Roadmaster. With that said, vehicle weight also plays an important factor in acceleration. 1990 Buick Roadmaster weights approximately 70 kg more than 1991 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 Jaguar XJS (440 Nm @ 3250 RPM) has 94 more torque (in Nm) than 1990 Buick Roadmaster. (346 Nm @ 2400 RPM). This means 1991 Jaguar XJS will have an easier job in driving up hills or pulling heavy equipment than 1990 Buick Roadmaster. 1990 Buick Roadmaster has automatic transmission and 1991 Jaguar XJS has manual transmission. 1991 Jaguar XJS will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1990 Buick Roadmaster will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1990 Buick Roadmaster | 1991 Jaguar XJS | |
| Make | Buick | Jaguar |
| Model | Roadmaster | XJS |
| Year Released | 1990 | 1991 |
| Body Type | Station Wagon | Convertible |
| Engine Position | Front | Front |
| Engine Size | 5002 cc | 5342 cc |
| Engine Cylinders | 8 cylinders | 12 cylinders |
| Engine Type | V | V |
| Horse Power | 168 HP | 291 HP |
| Engine RPM | 4200 RPM | 5500 RPM |
| Torque | 346 Nm | 440 Nm |
| Torque RPM | 2400 RPM | 3250 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 2000 kg | 1930 kg |
| Vehicle Length | 5540 mm | 4770 mm |
| Vehicle Width | 2040 mm | 1800 mm |
| Vehicle Height | 1540 mm | 1260 mm |
| Wheelbase Size | 2950 mm | 2600 mm |
