2003 Alfa Romeo 147 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 Alfa Romeo 147. In addition, the cost of maintenance, including insurance, on 2003 Alfa Romeo 147 would be higher. At 4,194 cc (8 cylinders), 2004 Jaguar XJ is equipped with a bigger engine. In terms of performance, 2004 Jaguar XJ (300 HP @ 6100 RPM) has 53 more horse power than 2003 Alfa Romeo 147. (247 HP @ 6200 RPM) In normal driving conditions, 2004 Jaguar XJ should accelerate faster than 2003 Alfa Romeo 147. With that said, vehicle weight also plays an important factor in acceleration. 2004 Jaguar XJ weights approximately 374 kg more than 2003 Alfa Romeo 147. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2004 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 2004 Jaguar XJ. However, in wet, icy, snow, or gravel driving conditions, 2003 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, 2004 Jaguar XJ (420 Nm @ 4100 RPM) has 120 more torque (in Nm) than 2003 Alfa Romeo 147. (300 Nm @ 4800 RPM). This means 2004 Jaguar XJ will have an easier job in driving up hills or pulling heavy equipment than 2003 Alfa Romeo 147. 2004 Jaguar XJ has automatic transmission and 2003 Alfa Romeo 147 has manual transmission. 2003 Alfa Romeo 147 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2004 Jaguar XJ will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 Alfa Romeo 147 | 2004 Jaguar XJ | |
| Make | Alfa Romeo | Jaguar |
| Model | 147 | XJ |
| Year Released | 2003 | 2004 |
| Engine Position | Front | Front |
| Engine Size | 3178 cc | 4194 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 247 HP | 300 HP |
| Engine RPM | 6200 RPM | 6100 RPM |
| Torque | 300 Nm | 420 Nm |
| Torque RPM | 4800 RPM | 4100 RPM |
| Engine Bore Size | 93 mm | 86 mm |
| Engine Stroke Size | 78 mm | 90.3 mm |
| Engine Compression Ratio | 10.5:1 | 11.0:1 |
| Top Speed | 246 km/hour | 250 km/hour |
| Acceleration 0-100mph | 6.2 seconds | 6.6 seconds |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 3 doors | 4 doors |
| Vehicle Weight | 1265 kg | 1639 kg |
| Vehicle Length | 4180 mm | 5220 mm |
| Vehicle Width | 1740 mm | 1870 mm |
| Vehicle Height | 1450 mm | 1450 mm |
| Wheelbase Size | 2710 mm | 3040 mm |
| Fuel Consumption Overall | 7.5 L/100km | 10.9 L/100km |
| Fuel Tank Capacity | 63 L | 85 L |
