2005 Jaguar XJ vs. 2010 Alfa Romeo 147
To start off, 2010 Alfa Romeo 147 is newer by 5 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 3,555 cc (8 cylinders), 2005 Jaguar XJ is equipped with a bigger engine. In terms of performance, 2005 Jaguar XJ (254 HP @ 6250 RPM) has 106 more horse power than 2010 Alfa Romeo 147. (148 HP @ 6300 RPM). In normal driving conditions, 2005 Jaguar XJ should accelerate faster than 2010 Alfa Romeo 147. With that said, vehicle weight also plays an important factor in acceleration. 2005 Jaguar XJ weights approximately 359 kg more than 2010 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, 2010 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 (335 Nm @ 4200 RPM) has 154 more torque (in Nm) than 2010 Alfa Romeo 147. (181 Nm @ 3800 RPM). This means 2005 Jaguar XJ will have an easier job in driving up hills or pulling heavy equipment than 2010 Alfa Romeo 147. 2005 Jaguar XJ has automatic transmission and 2010 Alfa Romeo 147 has manual transmission. 2010 Alfa Romeo 147 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 Jaguar XJ will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Jaguar XJ | 2010 Alfa Romeo 147 | |
| Make | Jaguar | Alfa Romeo |
| Model | XJ | 147 |
| Year Released | 2005 | 2010 |
| Engine Position | Front | Front |
| Engine Size | 3555 cc | 1970 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 254 HP | 148 HP |
| Engine RPM | 6250 RPM | 6300 RPM |
| Torque | 335 Nm | 181 Nm |
| Torque RPM | 4200 RPM | 3800 RPM |
| Engine Bore Size | 86 mm | 83.1 mm |
| Engine Stroke Size | 76.5 mm | 91 mm |
| Engine Compression Ratio | 11.0:1 | 10.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Acceleration 0-100mph | 7.6 seconds | 9.3 seconds |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1684 kg | 1325 kg |
| Vehicle Length | 5100 mm | 4230 mm |
| Vehicle Width | 1870 mm | 1740 mm |
| Vehicle Height | 1450 mm | 1450 mm |
| Wheelbase Size | 3170 mm | 2550 mm |
| Fuel Consumption Overall | 10.7 L/100km | 8.9 L/100km |
| Fuel Tank Capacity | 85 L | 60 L |
