1971 Alfa Romeo Giulia vs. 2005 Opel Vectra
To start off, 2005 Opel Vectra is newer by 34 year(s). Which means there will be less support and parts availability for 1971 Alfa Romeo Giulia. In addition, the cost of maintenance, including insurance, on 1971 Alfa Romeo Giulia would be higher. At 1,909 cc (4 cylinders), 2005 Opel Vectra is equipped with a bigger engine. In terms of performance, 2005 Opel Vectra (148 HP @ 4000 RPM) has 47 more horse power than 1971 Alfa Romeo Giulia. (101 HP @ 5500 RPM) In normal driving conditions, 2005 Opel Vectra should accelerate faster than 1971 Alfa Romeo Giulia. With that said, vehicle weight also plays an important factor in acceleration. 2005 Opel Vectra weights approximately 210 kg more than 1971 Alfa Romeo Giulia. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1971 Alfa Romeo Giulia 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 1971 Alfa Romeo Giulia. However, in wet, icy, snow, or gravel driving conditions, 2005 Opel Vectra, 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, 2005 Opel Vectra (321 Nm) has 131 more torque (in Nm) than 1971 Alfa Romeo Giulia. (190 Nm). This means 2005 Opel Vectra will have an easier job in driving up hills or pulling heavy equipment than 1971 Alfa Romeo Giulia.
Compare all specifications:
| 1971 Alfa Romeo Giulia | 2005 Opel Vectra | |
| Make | Alfa Romeo | Opel |
| Model | Giulia | Vectra |
| Year Released | 1971 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 1570 cc | 1909 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 101 HP | 148 HP |
| Engine RPM | 5500 RPM | 4000 RPM |
| Torque | 190 Nm | 321 Nm |
| Engine Bore Size | 78 mm | 82 mm |
| Engine Stroke Size | 82 mm | 90.4 mm |
| Engine Compression Ratio | 9.0:1 | 18.0:1 |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 990 kg | 1200 kg |
| Vehicle Length | 4170 mm | 4600 mm |
| Vehicle Width | 1580 mm | 1800 mm |
| Vehicle Height | 1480 mm | 1470 mm |
| Wheelbase Size | 2520 mm | 2640 mm |
| Fuel Tank Capacity | 46 L | 61 L |
