2005 Alfa Romeo 156 vs. 2009 Jaguar XF
To start off, 2009 Jaguar XF is newer by 4 year(s). Which means there will be less support and parts availability for 2005 Alfa Romeo 156. In addition, the cost of maintenance, including insurance, on 2005 Alfa Romeo 156 would be higher. At 4,196 cc (8 cylinders), 2009 Jaguar XF is equipped with a bigger engine. In terms of performance, 2009 Jaguar XF (410 HP @ 6250 RPM) has 225 more horse power than 2005 Alfa Romeo 156. (185 HP @ 5000 RPM) In normal driving conditions, 2009 Jaguar XF should accelerate faster than 2005 Alfa Romeo 156. With that said, vehicle weight also plays an important factor in acceleration. 2009 Jaguar XF weights approximately 358 kg more than 2005 Alfa Romeo 156. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Jaguar XF 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 2009 Jaguar XF. However, in wet, icy, snow, or gravel driving conditions, 2005 Alfa Romeo 156, 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, 2009 Jaguar XF (560 Nm @ 3500 RPM) has 339 more torque (in Nm) than 2005 Alfa Romeo 156. (221 Nm @ 5000 RPM). This means 2009 Jaguar XF will have an easier job in driving up hills or pulling heavy equipment than 2005 Alfa Romeo 156. 2009 Jaguar XF has automatic transmission and 2005 Alfa Romeo 156 has manual transmission. 2005 Alfa Romeo 156 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Jaguar XF will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Alfa Romeo 156 | 2009 Jaguar XF | |
| Make | Alfa Romeo | Jaguar |
| Model | 156 | XF |
| Year Released | 2005 | 2009 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2490 cc | 4196 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 185 HP | 410 HP |
| Engine RPM | 5000 RPM | 6250 RPM |
| Torque | 221 Nm | 560 Nm |
| Torque RPM | 5000 RPM | 3500 RPM |
| Engine Bore Size | 88 mm | 86 mm |
| Engine Stroke Size | 68.3 mm | 90.3 mm |
| Engine Compression Ratio | 10.3:1 | 9.1:1 |
| Top Speed | 225 km/hour | 250 km/hour |
| Acceleration 0-100mph | 8.4 seconds | 5.4 seconds |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1490 kg | 1848 kg |
| Vehicle Length | 4730 mm | 4970 mm |
| Vehicle Width | 1820 mm | 1880 mm |
| Vehicle Height | 1420 mm | 1470 mm |
| Wheelbase Size | 2600 mm | 2920 mm |
| Fuel Consumption Overall | 11.8 L/100km | 12.6 L/100km |
| Fuel Tank Capacity | 72 L | 69 L |
