1978 Alfa Romeo Giulietta vs. 2004 Opel Astra
To start off, 2004 Opel Astra is newer by 26 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 1,796 cc (4 cylinders), 2004 Opel Astra is equipped with a bigger engine. In terms of performance, 2004 Opel Astra (125 HP @ 5600 RPM) has 17 more horse power than 1978 Alfa Romeo Giulietta. (108 HP @ 5600 RPM) In normal driving conditions, 2004 Opel Astra should accelerate faster than 1978 Alfa Romeo Giulietta. With that said, vehicle weight also plays an important factor in acceleration. 2004 Opel Astra weights approximately 254 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, 2004 Opel Astra, 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, 2004 Opel Astra (167 Nm @ 3800 RPM) has 24 more torque (in Nm) than 1978 Alfa Romeo Giulietta. (143 Nm @ 4300 RPM). This means 2004 Opel Astra will have an easier job in driving up hills or pulling heavy equipment than 1978 Alfa Romeo Giulietta.
Compare all specifications:
| 1978 Alfa Romeo Giulietta | 2004 Opel Astra | |
| Make | Alfa Romeo | Opel |
| Model | Giulietta | Astra |
| Year Released | 1978 | 2004 |
| Engine Position | Front | Front |
| Engine Size | 1570 cc | 1796 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 108 HP | 125 HP |
| Engine RPM | 5600 RPM | 5600 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 |
| Engine Compression Ratio | 9.0:1 | 10.5:1 |
| Top Speed | 175 km/hour | 198 km/hour |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1071 kg | 1325 kg |
| Vehicle Length | 4220 mm | 4520 mm |
| Vehicle Width | 1660 mm | 1800 mm |
| Vehicle Height | 1410 mm | 1510 mm |
| Wheelbase Size | 2460 mm | 2700 mm |
| Fuel Tank Capacity | 53 L | 52 L |
