2005 Jaguar XJ vs. 2011 Alpina B5
To start off, 2011 Alpina B5 is newer by 6 year(s). Which means there will be less support and parts availability for 2005 Jaguar XJ. In addition, the cost of maintenance, including insurance, on 2005 Jaguar XJ would be higher. At 4,397 cc (8 cylinders), 2011 Alpina B5 is equipped with a bigger engine. In terms of performance, 2011 Alpina B5 (493 HP @ 5500 RPM) has 103 more horse power than 2005 Jaguar XJ. (390 HP @ 6000 RPM) In normal driving conditions, 2011 Alpina B5 should accelerate faster than 2005 Jaguar XJ. With that said, vehicle weight also plays an important factor in acceleration. 2011 Alpina B5 weights approximately 75 kg more than 2005 Jaguar XJ. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 2011 Alpina B5 (700 Nm) has 175 more torque (in Nm) than 2005 Jaguar XJ. (525 Nm). This means 2011 Alpina B5 will have an easier job in driving up hills or pulling heavy equipment than 2005 Jaguar XJ.
Compare all specifications:
| 2005 Jaguar XJ | 2011 Alpina B5 | |
| Make | Jaguar | Alpina |
| Model | XJ | B5 |
| Year Released | 2005 | 2011 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 4195 cc | 4397 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 390 HP | 493 HP |
| Engine RPM | 6000 RPM | 5500 RPM |
| Torque | 525 Nm | 700 Nm |
| Engine Bore Size | 86.1 mm | 92 mm |
| Engine Stroke Size | 90 mm | 82.7 mm |
| Engine Compression Ratio | 9.1:1 | 9.0:1 |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1735 kg | 1810 kg |
| Vehicle Length | 5100 mm | 4850 mm |
| Vehicle Width | 1950 mm | 1850 mm |
| Vehicle Height | 1450 mm | 1500 mm |
| Wheelbase Size | 2920 mm | 2890 mm |
| Fuel Consumption Overall | 11.8 L/100km | 12.4 L/100km |
| Fuel Tank Capacity | 84 L | 70 L |
