1978 Alfa Romeo Giulietta vs. 2003 Opel Vectra
To start off, 2003 Opel Vectra is newer by 25 year(s). Which means there will be less support and parts availability for 1978 Alfa Romeo Giulietta. In addition, the cost of maintenance, including insurance, on 1978 Alfa Romeo Giulietta would be higher. At 1,794 cc (4 cylinders), 2003 Opel Vectra is equipped with a bigger engine. In terms of performance, 2003 Opel Vectra (120 HP @ 5400 RPM) has 12 more horse power than 1978 Alfa Romeo Giulietta. (108 HP @ 5600 RPM) In normal driving conditions, 2003 Opel Vectra should accelerate faster than 1978 Alfa Romeo Giulietta. With that said, vehicle weight also plays an important factor in acceleration. 2003 Opel Vectra weights approximately 399 kg more than 1978 Alfa Romeo Giulietta. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1978 Alfa Romeo Giulietta 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 1978 Alfa Romeo Giulietta. However, in wet, icy, snow, or gravel driving conditions, 2003 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, 2003 Opel Vectra (167 Nm @ 3800 RPM) has 24 more torque (in Nm) than 1978 Alfa Romeo Giulietta. (143 Nm @ 4300 RPM). This means 2003 Opel Vectra will have an easier job in driving up hills or pulling heavy equipment than 1978 Alfa Romeo Giulietta. 2003 Opel Vectra has automatic transmission and 1978 Alfa Romeo Giulietta has manual transmission. 1978 Alfa Romeo Giulietta will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2003 Opel Vectra will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1978 Alfa Romeo Giulietta | 2003 Opel Vectra | |
| Make | Alfa Romeo | Opel |
| Model | Giulietta | Vectra |
| Year Released | 1978 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 1570 cc | 1794 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 108 HP | 120 HP |
| Engine RPM | 5600 RPM | 5400 RPM |
| Torque | 143 Nm | 167 Nm |
| Torque RPM | 4300 RPM | 3800 RPM |
| Engine Bore Size | 78 mm | 80.5 mm |
| Engine Stroke Size | 82 mm | 88.2 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1071 kg | 1470 kg |
| Vehicle Length | 4220 mm | 4830 mm |
| Vehicle Width | 1660 mm | 1800 mm |
| Vehicle Height | 1410 mm | 1510 mm |
