1977 Alfa Romeo Giulietta vs. 2011 Opel Astra
To start off, 2011 Opel Astra is newer by 34 year(s). Which means there will be less support and parts availability for 1977 Alfa Romeo Giulietta. In addition, the cost of maintenance, including insurance, on 1977 Alfa Romeo Giulietta would be higher. At 1,796 cc (4 cylinders), 2011 Opel Astra is equipped with a bigger engine. In terms of performance, 2011 Opel Astra (139 HP @ 5600 RPM) has 31 more horse power than 1977 Alfa Romeo Giulietta. (108 HP @ 5600 RPM) In normal driving conditions, 2011 Opel Astra should accelerate faster than 1977 Alfa Romeo Giulietta. With that said, vehicle weight also plays an important factor in acceleration. 2011 Opel Astra weights approximately 555 kg more than 1977 Alfa Romeo Giulietta. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1977 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 1977 Alfa Romeo Giulietta. However, in wet, icy, snow, or gravel driving conditions, 2011 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, 2011 Opel Astra (175 Nm @ 3800 RPM) has 31 more torque (in Nm) than 1977 Alfa Romeo Giulietta. (144 Nm @ 4300 RPM). This means 2011 Opel Astra will have an easier job in driving up hills or pulling heavy equipment than 1977 Alfa Romeo Giulietta.
Compare all specifications:
| 1977 Alfa Romeo Giulietta | 2011 Opel Astra | |
| Make | Alfa Romeo | Opel |
| Model | Giulietta | Astra |
| Year Released | 1977 | 2011 |
| 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 | 139 HP |
| Engine RPM | 5600 RPM | 5600 RPM |
| Torque | 144 Nm | 175 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 | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1070 kg | 1625 kg |
| Vehicle Length | 4220 mm | 4260 mm |
| Vehicle Width | 1660 mm | 1760 mm |
| Vehicle Height | 1410 mm | 1470 mm |
| Wheelbase Size | 2520 mm | 2620 mm |
| Fuel Tank Capacity | 53 L | 52 L |
