2008 Cadillac STS vs. 1991 Jaguar XJS
To start off, 2008 Cadillac STS is newer by 17 year(s). Which means there will be less support and parts availability for 1991 Jaguar XJS. In addition, the cost of maintenance, including insurance, on 1991 Jaguar XJS would be higher. At 5,342 cc (12 cylinders), 1991 Jaguar XJS is equipped with a bigger engine. In terms of performance, 2008 Cadillac STS (302 HP @ 6300 RPM) has 11 more horse power than 1991 Jaguar XJS. (291 HP @ 5500 RPM). In normal driving conditions, 2008 Cadillac STS should accelerate faster than 1991 Jaguar XJS. With that said, vehicle weight also plays an important factor in acceleration. 1991 Jaguar XJS weights approximately 370 kg more than 2008 Cadillac STS.
Because 2008 Cadillac STS is four wheel drive (4WD), it will have significant more traction and grip than 1991 Jaguar XJS. In wet, icy, snow, or gravel driving conditions, 2008 Cadillac STS will offer significantly more control. 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 71 more torque (in Nm) than 2008 Cadillac STS. (369 Nm @ 5200 RPM). This means 1991 Jaguar XJS will have an easier job in driving up hills or pulling heavy equipment than 2008 Cadillac STS. 2008 Cadillac STS 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. 2008 Cadillac STS will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2008 Cadillac STS | 1991 Jaguar XJS | |
| Make | Cadillac | Jaguar |
| Model | STS | XJS |
| Year Released | 2008 | 1991 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 3564 cc | 5342 cc |
| Engine Cylinders | 6 cylinders | 12 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 302 HP | 291 HP |
| Engine RPM | 6300 RPM | 5500 RPM |
| Torque | 369 Nm | 440 Nm |
| Torque RPM | 5200 RPM | 3250 RPM |
| Engine Bore Size | 94.1 mm | 90 mm |
| Engine Stroke Size | 85.6 mm | 70 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1560 kg | 1930 kg |
| Vehicle Length | 4990 mm | 4770 mm |
| Vehicle Width | 1850 mm | 1800 mm |
| Vehicle Height | 1470 mm | 1260 mm |
| Wheelbase Size | 2960 mm | 2600 mm |
| Fuel Tank Capacity | 64 L | 82 L |
