2007 Alfa Romeo 156 vs. 2003 Holden Vectra
To start off, 2007 Alfa Romeo 156 is newer by 4 year(s). Which means there will be less support and parts availability for 2003 Holden Vectra. In addition, the cost of maintenance, including insurance, on 2003 Holden Vectra would be higher. At 2,387 cc (5 cylinders), 2007 Alfa Romeo 156 is equipped with a bigger engine. In terms of performance, 2007 Alfa Romeo 156 (174 HP @ 4000 RPM) has 29 more horse power than 2003 Holden Vectra. (145 HP @ 5800 RPM). In normal driving conditions, 2007 Alfa Romeo 156 should accelerate faster than 2003 Holden Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2003 Holden Vectra weights approximately 145 kg more than 2007 Alfa Romeo 156.
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, 2007 Alfa Romeo 156 (385 Nm @ 2000 RPM) has 182 more torque (in Nm) than 2003 Holden Vectra. (203 Nm @ 4000 RPM). This means 2007 Alfa Romeo 156 will have an easier job in driving up hills or pulling heavy equipment than 2003 Holden Vectra.
Compare all specifications:
| 2007 Alfa Romeo 156 | 2003 Holden Vectra | |
| Make | Alfa Romeo | Holden |
| Model | 156 | Vectra |
| Year Released | 2007 | 2003 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2387 cc | 2197 cc |
| Engine Cylinders | 5 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 174 HP | 145 HP |
| Engine RPM | 4000 RPM | 5800 RPM |
| Torque | 385 Nm | 203 Nm |
| Torque RPM | 2000 RPM | 4000 RPM |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1385 kg | 1530 kg |
| Vehicle Length | 4440 mm | 4600 mm |
| Vehicle Width | 1750 mm | 1800 mm |
| Vehicle Height | 1440 mm | 1470 mm |
| Wheelbase Size | 2600 mm | 2710 mm |
