2005 Alfa Romeo 156 vs. 2010 Jaguar XJ
To start off, 2010 Jaguar XJ is newer by 5 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 4,194 cc (8 cylinders), 2010 Jaguar XJ is equipped with a bigger engine. In terms of performance, 2010 Jaguar XJ (391 HP @ 6100 RPM) has 273 more horse power than 2005 Alfa Romeo 156. (118 HP @ 6500 RPM) In normal driving conditions, 2010 Jaguar XJ should accelerate faster than 2005 Alfa Romeo 156. With that said, vehicle weight also plays an important factor in acceleration. 2010 Jaguar XJ weights approximately 415 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.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear 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, 2010 Jaguar XJ (541 Nm @ 4100 RPM) has 394 more torque (in Nm) than 2005 Alfa Romeo 156. (147 Nm @ 4500 RPM). This means 2010 Jaguar XJ will have an easier job in driving up hills or pulling heavy equipment than 2005 Alfa Romeo 156. 2010 Jaguar XJ 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. 2010 Jaguar XJ will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Alfa Romeo 156 | 2010 Jaguar XJ | |
| Make | Alfa Romeo | Jaguar |
| Model | 156 | XJ |
| Year Released | 2005 | 2010 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1598 cc | 4194 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 118 HP | 391 HP |
| Engine RPM | 6500 RPM | 6100 RPM |
| Torque | 147 Nm | 541 Nm |
| Torque RPM | 4500 RPM | 4100 RPM |
| Engine Bore Size | 82 mm | 86 mm |
| Engine Stroke Size | 75.7 mm | 90.3 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1250 kg | 1665 kg |
| Vehicle Length | 4450 mm | 5100 mm |
| Vehicle Width | 1750 mm | 1450 mm |
| Wheelbase Size | 2710 mm | 3040 mm |
| Fuel Consumption Overall | 8.6 L/100km | 12.1 L/100km |
| Fuel Tank Capacity | 63 L | 85 L |
