2003 Alfa Romeo 156 vs. 2007 Jaguar XJ8
To start off, 2007 Jaguar XJ8 is newer by 4 year(s). Which means there will be less support and parts availability for 2003 Alfa Romeo 156. In addition, the cost of maintenance, including insurance, on 2003 Alfa Romeo 156 would be higher. At 3,555 cc (8 cylinders), 2007 Jaguar XJ8 is equipped with a bigger engine. In terms of performance, 2007 Jaguar XJ8 (255 HP @ 6250 RPM) has 83 more horse power than 2003 Alfa Romeo 156. (172 HP @ 4000 RPM) In normal driving conditions, 2007 Jaguar XJ8 should accelerate faster than 2003 Alfa Romeo 156. With that said, vehicle weight also plays an important factor in acceleration. 2007 Jaguar XJ8 weights approximately 299 kg more than 2003 Alfa Romeo 156. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Jaguar XJ8 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 2007 Jaguar XJ8. However, in wet, icy, snow, or gravel driving conditions, 2003 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, 2003 Alfa Romeo 156 (385 Nm @ 2000 RPM) has 50 more torque (in Nm) than 2007 Jaguar XJ8. (335 Nm @ 4200 RPM). This means 2003 Alfa Romeo 156 will have an easier job in driving up hills or pulling heavy equipment than 2007 Jaguar XJ8. 2007 Jaguar XJ8 has automatic transmission and 2003 Alfa Romeo 156 has manual transmission. 2003 Alfa Romeo 156 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Jaguar XJ8 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 Alfa Romeo 156 | 2007 Jaguar XJ8 | |
| Make | Alfa Romeo | Jaguar |
| Model | 156 | XJ8 |
| Year Released | 2003 | 2007 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2492 cc | 3555 cc |
| Engine Cylinders | 5 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 172 HP | 255 HP |
| Engine RPM | 4000 RPM | 6250 RPM |
| Torque | 385 Nm | 335 Nm |
| Torque RPM | 2000 RPM | 4200 RPM |
| Engine Compression Ratio | 18.5:1 | 11.0:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 211 km/hour | 235 km/hour |
| Acceleration 0-100mph | 8.3 seconds | 7.6 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 | 1684 kg |
| Vehicle Length | 4440 mm | 5100 mm |
| Vehicle Width | 1750 mm | 1870 mm |
| Vehicle Height | 1440 mm | 1450 mm |
| Wheelbase Size | 2600 mm | 3040 mm |
| Fuel Consumption Overall | 6.6 L/100km | 10.7 L/100km |
| Fuel Tank Capacity | 63 L | 85 L |
