2003 Alpina B3 vs. 2004 Jaguar XJ
To start off, 2004 Jaguar XJ is newer by 1 year(s). Which means there will be less support and parts availability for 2003 Alpina B3. In addition, the cost of maintenance, including insurance, on 2003 Alpina B3 would be higher. At 4,194 cc (8 cylinders), 2004 Jaguar XJ is equipped with a bigger engine. In terms of performance, 2003 Alpina B3 (301 HP @ 6200 RPM) has 1 more horse power than 2004 Jaguar XJ. (300 HP @ 6100 RPM). In normal driving conditions, 2003 Alpina B3 should accelerate faster than 2004 Jaguar XJ. With that said, vehicle weight also plays an important factor in acceleration. 2003 Alpina B3 weights approximately 6 kg more than 2004 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, 2004 Jaguar XJ (420 Nm @ 4100 RPM) has 58 more torque (in Nm) than 2003 Alpina B3. (362 Nm @ 4800 RPM). This means 2004 Jaguar XJ will have an easier job in driving up hills or pulling heavy equipment than 2003 Alpina B3.
Compare all specifications:
| 2003 Alpina B3 | 2004 Jaguar XJ | |
| Make | Alpina | Jaguar |
| Model | B3 | XJ |
| Year Released | 2003 | 2004 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3344 cc | 4194 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 301 HP | 300 HP |
| Engine RPM | 6200 RPM | 6100 RPM |
| Torque | 362 Nm | 420 Nm |
| Torque RPM | 4800 RPM | 4100 RPM |
| Engine Bore Size | 87 mm | 86 mm |
| Engine Stroke Size | 93.8 mm | 90.3 mm |
| Engine Compression Ratio | 10.0:1 | 11.0:1 |
| Drive Type | Rear | Rear |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1645 kg | 1639 kg |
| Vehicle Length | 4490 mm | 5220 mm |
| Vehicle Width | 1760 mm | 1870 mm |
| Vehicle Height | 1360 mm | 1450 mm |
| Wheelbase Size | 2730 mm | 3040 mm |
| Fuel Tank Capacity | 63 L | 85 L |
