2009 Alpina Roadster vs. 1975 Jaguar XJS
To start off, 2009 Alpina Roadster is newer by 34 year(s). Which means there will be less support and parts availability for 1975 Jaguar XJS. In addition, the cost of maintenance, including insurance, on 1975 Jaguar XJS would be higher. At 5,342 cc (12 cylinders), 1975 Jaguar XJS is equipped with a bigger engine. In terms of performance, 2009 Alpina Roadster (296 HP @ 6300 RPM) has 5 more horse power than 1975 Jaguar XJS. (291 HP @ 5500 RPM). In normal driving conditions, 2009 Alpina Roadster should accelerate faster than 1975 Jaguar XJS. With that said, vehicle weight also plays an important factor in acceleration. 1975 Jaguar XJS weights approximately 375 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, 1975 Jaguar XJS (431 Nm @ 3250 RPM) has 69 more torque (in Nm) than 2009 Alpina Roadster. (362 Nm @ 4800 RPM). This means 1975 Jaguar XJS will have an easier job in driving up hills or pulling heavy equipment than 2009 Alpina Roadster.
Compare all specifications:
| 2009 Alpina Roadster | 1975 Jaguar XJS | |
| Make | Alpina | Jaguar |
| Model | Roadster | XJS |
| Year Released | 2009 | 1975 |
| Body Type | Convertible | Coupe |
| Engine Position | Front | Front |
| Engine Size | 3346 cc | 5342 cc |
| Engine Cylinders | 6 cylinders | 12 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 296 HP | 291 HP |
| Engine RPM | 6300 RPM | 5500 RPM |
| Torque | 362 Nm | 431 Nm |
| Torque RPM | 4800 RPM | 3250 RPM |
| Engine Bore Size | 87 mm | 90 mm |
| Engine Stroke Size | 93.8 mm | 70 mm |
| Engine Compression Ratio | 10.2:1 | 12.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 265 km/hour | 241 km/hour |
| Acceleration 0-100mph | 5.3 seconds | 8 seconds |
| 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 | 1770 kg |
| Vehicle Length | 4100 mm | 4770 mm |
| Vehicle Width | 1790 mm | 1800 mm |
| Vehicle Height | 1300 mm | 1270 mm |
| Wheelbase Size | 2500 mm | 2600 mm |
| Fuel Consumption Overall | 10 L/100km | 12.1 L/100km |
| Fuel Tank Capacity | 55 L | 86 L |
