2004 Alfa Romeo 156 vs. 2003 Jaguar XK
To start off, 2004 Alfa Romeo 156 is newer by 1 year(s). Which means there will be less support and parts availability for 2003 Jaguar XK. In addition, the cost of maintenance, including insurance, on 2003 Jaguar XK would be higher. At 3,994 cc (8 cylinders), 2003 Jaguar XK is equipped with a bigger engine. In terms of performance, 2003 Jaguar XK (290 HP @ 6100 RPM) has 142 more horse power than 2004 Alfa Romeo 156. (148 HP @ 4000 RPM) In normal driving conditions, 2003 Jaguar XK should accelerate faster than 2004 Alfa Romeo 156. With that said, vehicle weight also plays an important factor in acceleration. 2004 Alfa Romeo 156 weights approximately 15 kg more than 2003 Jaguar XK.
Because 2004 Alfa Romeo 156 is four wheel drive (4WD), it will have significant more traction and grip than 2003 Jaguar XK. 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, 2003 Jaguar XK (393 Nm @ 4250 RPM) has 93 more torque (in Nm) than 2004 Alfa Romeo 156. (300 Nm @ 2000 RPM). This means 2003 Jaguar XK will have an easier job in driving up hills or pulling heavy equipment than 2004 Alfa Romeo 156. 2003 Jaguar XK 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. 2003 Jaguar XK will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2004 Alfa Romeo 156 | 2003 Jaguar XK | |
| Make | Alfa Romeo | Jaguar |
| Model | 156 | XK |
| Year Released | 2004 | 2003 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 1910 cc | 3994 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 148 HP | 290 HP |
| Engine RPM | 4000 RPM | 6100 RPM |
| Torque | 300 Nm | 393 Nm |
| Torque RPM | 2000 RPM | 4250 RPM |
| Engine Bore Size | 82 mm | 86 mm |
| Engine Stroke Size | 90.4 mm | 86 mm |
| Engine Compression Ratio | 18.5:1 | 10.7:1 |
| Fuel Type | Diesel | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1585 kg | 1570 kg |
| Vehicle Length | 4450 mm | 4770 mm |
| Vehicle Width | 1770 mm | 1840 mm |
| Vehicle Height | 1480 mm | 1300 mm |
| Wheelbase Size | 2600 mm | 3040 mm |
| Fuel Consumption Overall | 7.1 L/100km | 9.5 L/100km |
| Fuel Tank Capacity | 50 L | 75 L |
