2009 Alpina Roadster vs. 1991 Jaguar XJS
To start off, 2009 Alpina Roadster is newer by 18 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 3,590 cc (6 cylinders), 1991 Jaguar XJS is equipped with a bigger engine. In terms of performance, 2009 Alpina Roadster (296 HP @ 6300 RPM) has 79 more horse power than 1991 Jaguar XJS. (217 HP @ 5300 RPM). In normal driving conditions, 2009 Alpina Roadster should accelerate faster than 1991 Jaguar XJS. With that said, vehicle weight also plays an important factor in acceleration. 1991 Jaguar XJS weights approximately 235 kg more than 2009 Alpina Roadster.
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, 2009 Alpina Roadster (362 Nm @ 4800 RPM) has 31 more torque (in Nm) than 1991 Jaguar XJS. (331 Nm @ 4000 RPM). This means 2009 Alpina Roadster will have an easier job in driving up hills or pulling heavy equipment than 1991 Jaguar XJS.
Compare all specifications:
| 2009 Alpina Roadster | 1991 Jaguar XJS | |
| Make | Alpina | Jaguar |
| Model | Roadster | XJS |
| Year Released | 2009 | 1991 |
| Body Type | Convertible | Coupe |
| Engine Position | Front | Front |
| Engine Size | 3346 cc | 3590 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 296 HP | 217 HP |
| Engine RPM | 6300 RPM | 5300 RPM |
| Torque | 362 Nm | 331 Nm |
| Torque RPM | 4800 RPM | 4000 RPM |
| Engine Bore Size | 87 mm | 91 mm |
| Engine Stroke Size | 93.8 mm | 92 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1395 kg | 1630 kg |
| Vehicle Length | 4100 mm | 4880 mm |
| Vehicle Width | 1790 mm | 1800 mm |
| Vehicle Height | 1300 mm | 1270 mm |
| Wheelbase Size | 2500 mm | 2600 mm |
