2007 Alfa Romeo 156 vs. 2010 Jaguar XJ
To start off, 2010 Jaguar XJ is newer by 3 year(s). Which means there will be less support and parts availability for 2007 Alfa Romeo 156. In addition, the cost of maintenance, including insurance, on 2007 Alfa Romeo 156 would be higher. At 4,196 cc (8 cylinders), 2010 Jaguar XJ is equipped with a bigger engine. In terms of performance, 2010 Jaguar XJ (400 HP @ 6100 RPM) has 226 more horse power than 2007 Alfa Romeo 156. (174 HP @ 4000 RPM) In normal driving conditions, 2010 Jaguar XJ should accelerate faster than 2007 Alfa Romeo 156. With that said, vehicle weight also plays an important factor in acceleration. 2010 Jaguar XJ weights approximately 349 kg more than 2007 Alfa Romeo 156. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2010 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 2010 Jaguar XJ. However, in wet, icy, snow, or gravel driving conditions, 2007 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, 2010 Jaguar XJ (560 Nm @ 3500 RPM) has 175 more torque (in Nm) than 2007 Alfa Romeo 156. (385 Nm @ 2000 RPM). This means 2010 Jaguar XJ will have an easier job in driving up hills or pulling heavy equipment than 2007 Alfa Romeo 156. 2010 Jaguar XJ has automatic transmission and 2007 Alfa Romeo 156 has manual transmission. 2007 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:
| 2007 Alfa Romeo 156 | 2010 Jaguar XJ | |
| Make | Alfa Romeo | Jaguar |
| Model | 156 | XJ |
| Year Released | 2007 | 2010 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2387 cc | 4196 cc |
| Engine Cylinders | 5 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 174 HP | 400 HP |
| Engine RPM | 4000 RPM | 6100 RPM |
| Torque | 385 Nm | 560 Nm |
| Torque RPM | 2000 RPM | 3500 RPM |
| Engine Compression Ratio | 18.5:1 | 9.1:1 |
| Fuel Type | Diesel | Gasoline |
| Top Speed | 225 km/hour | 250 km/hour |
| Acceleration 0-100mph | 9.4 seconds | 5.3 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 | 1385 kg | 1734 kg |
| Vehicle Length | 4440 mm | 5220 mm |
| Vehicle Width | 1750 mm | 1950 mm |
| Vehicle Height | 1440 mm | 1460 mm |
| Wheelbase Size | 2600 mm | 3170 mm |
| Fuel Consumption Overall | 6.6 L/100km | 13.2 L/100km |
| Fuel Tank Capacity | 63 L | 84 L |
