2005 Jaguar XJ vs. 2001 Alfa Romeo 147
To start off, 2005 Jaguar XJ is newer by 4 year(s). Which means there will be less support and parts availability for 2001 Alfa Romeo 147. In addition, the cost of maintenance, including insurance, on 2001 Alfa Romeo 147 would be higher. At 4,195 cc (8 cylinders), 2005 Jaguar XJ is equipped with a bigger engine. In terms of performance, 2005 Jaguar XJ (390 HP @ 6000 RPM) has 242 more horse power than 2001 Alfa Romeo 147. (148 HP @ 6300 RPM). In normal driving conditions, 2005 Jaguar XJ should accelerate faster than 2001 Alfa Romeo 147. With that said, vehicle weight also plays an important factor in acceleration. 2005 Jaguar XJ weights approximately 409 kg more than 2001 Alfa Romeo 147. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Jaguar XJ is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2005 Jaguar XJ. However, in wet, icy, snow, or gravel driving conditions, 2001 Alfa Romeo 147, being front wheel drive (FWD), will offer much better control with better grip. 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, 2005 Jaguar XJ (525 Nm) has 344 more torque (in Nm) than 2001 Alfa Romeo 147. (181 Nm). This means 2005 Jaguar XJ will have an easier job in driving up hills or pulling heavy equipment than 2001 Alfa Romeo 147.
Compare all specifications:
| 2005 Jaguar XJ | 2001 Alfa Romeo 147 | |
| Make | Jaguar | Alfa Romeo |
| Model | XJ | 147 |
| Year Released | 2005 | 2001 |
| Engine Position | Front | Front |
| Engine Size | 4195 cc | 1970 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 390 HP | 148 HP |
| Engine RPM | 6000 RPM | 6300 RPM |
| Torque | 525 Nm | 181 Nm |
| Engine Bore Size | 86.1 mm | 83 mm |
| Engine Stroke Size | 90 mm | 91 mm |
| Engine Compression Ratio | 9.1:1 | 10.0:1 |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 3 doors |
| Vehicle Weight | 1735 kg | 1326 kg |
| Vehicle Length | 5100 mm | 4180 mm |
| Vehicle Width | 1950 mm | 1740 mm |
| Vehicle Height | 1450 mm | 1470 mm |
| Wheelbase Size | 2920 mm | 2550 mm |
| Fuel Consumption Overall | 11.8 L/100km | 8.9 L/100km |
| Fuel Tank Capacity | 84 L | 60 L |
