2004 Alfa Romeo 156 vs. 2008 Jaguar XJR
To start off, 2008 Jaguar XJR is newer by 4 year(s). Which means there will be less support and parts availability for 2004 Alfa Romeo 156. In addition, the cost of maintenance, including insurance, on 2004 Alfa Romeo 156 would be higher. At 4,196 cc (8 cylinders), 2008 Jaguar XJR is equipped with a bigger engine. In terms of performance, 2008 Jaguar XJR (400 HP @ 6100 RPM) has 252 more horse power than 2004 Alfa Romeo 156. (148 HP @ 4000 RPM) In normal driving conditions, 2008 Jaguar XJR should accelerate faster than 2004 Alfa Romeo 156. With that said, vehicle weight also plays an important factor in acceleration. 2008 Jaguar XJR weights approximately 70 kg more than 2004 Alfa Romeo 156. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2004 Alfa Romeo 156 is four wheel drive (4WD), it will have significant more traction and grip than 2008 Jaguar XJR. In wet, icy, snow, or gravel driving conditions, 2004 Alfa Romeo 156 will offer significantly more control. 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, 2008 Jaguar XJR (553 Nm @ 3500 RPM) has 253 more torque (in Nm) than 2004 Alfa Romeo 156. (300 Nm @ 2000 RPM). This means 2008 Jaguar XJR will have an easier job in driving up hills or pulling heavy equipment than 2004 Alfa Romeo 156. 2008 Jaguar XJR has automatic transmission and 2004 Alfa Romeo 156 has manual transmission. 2004 Alfa Romeo 156 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2008 Jaguar XJR will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2004 Alfa Romeo 156 | 2008 Jaguar XJR | |
| Make | Alfa Romeo | Jaguar |
| Model | 156 | XJR |
| Year Released | 2004 | 2008 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1910 cc | 4196 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 148 HP | 400 HP |
| Engine RPM | 4000 RPM | 6100 RPM |
| Torque | 300 Nm | 553 Nm |
| Torque RPM | 2000 RPM | 3500 RPM |
| Engine Bore Size | 82 mm | 86 mm |
| Engine Stroke Size | 90.4 mm | 90.3 mm |
| Engine Compression Ratio | 18.5:1 | 9.1:1 |
| Fuel Type | Diesel | Gasoline |
| Acceleration 0-100mph | 10.5 seconds | 5.7 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1585 kg | 1655 kg |
| Vehicle Length | 4450 mm | 5090 mm |
| Vehicle Width | 1770 mm | 1450 mm |
| Vehicle Height | 1480 mm | 1870 mm |
| Wheelbase Size | 2600 mm | 3170 mm |
| Fuel Consumption Overall | 7.1 L/100km | 12.4 L/100km |
| Fuel Tank Capacity | 50 L | 85 L |
