2005 Alfa Romeo 156 vs. 2003 Vauxhall Vectra
To start off, 2005 Alfa Romeo 156 is newer by 2 year(s). Which means there will be less support and parts availability for 2003 Vauxhall Vectra. In addition, the cost of maintenance, including insurance, on 2003 Vauxhall Vectra would be higher. At 2,492 cc (6 cylinders), 2005 Alfa Romeo 156 is equipped with a bigger engine. In terms of performance, 2005 Alfa Romeo 156 (185 HP @ 5000 RPM) has 65 more horse power than 2003 Vauxhall Vectra. (120 HP @ 5400 RPM). In normal driving conditions, 2005 Alfa Romeo 156 should accelerate faster than 2003 Vauxhall Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2005 Alfa Romeo 156 weights approximately 14 kg more than 2003 Vauxhall Vectra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 2005 Alfa Romeo 156 (222 Nm @ 5000 RPM) has 55 more torque (in Nm) than 2003 Vauxhall Vectra. (167 Nm @ 3800 RPM). This means 2005 Alfa Romeo 156 will have an easier job in driving up hills or pulling heavy equipment than 2003 Vauxhall Vectra. 2003 Vauxhall Vectra has automatic transmission and 2005 Alfa Romeo 156 has manual transmission. 2005 Alfa Romeo 156 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2003 Vauxhall Vectra will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Alfa Romeo 156 | 2003 Vauxhall Vectra | |
| Make | Alfa Romeo | Vauxhall |
| Model | 156 | Vectra |
| Year Released | 2005 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 2492 cc | 1796 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 185 HP | 120 HP |
| Engine RPM | 5000 RPM | 5400 RPM |
| Torque | 222 Nm | 167 Nm |
| Torque RPM | 5000 RPM | 3800 RPM |
| Drive Type | Front | Front |
| Transmission Type | Manual | Automatic |
| Vehicle Weight | 1490 kg | 1476 kg |
| Vehicle Length | 4450 mm | 4830 mm |
| Vehicle Width | 1750 mm | 1800 mm |
| Vehicle Height | 1440 mm | 1510 mm |
