1966 Alfa Romeo Giulia vs. 2003 Opel Astra
To start off, 2003 Opel Astra is newer by 37 year(s). Which means there will be less support and parts availability for 1966 Alfa Romeo Giulia. In addition, the cost of maintenance, including insurance, on 1966 Alfa Romeo Giulia would be higher. At 2,198 cc (4 cylinders), 2003 Opel Astra is equipped with a bigger engine. In terms of performance, 2003 Opel Astra (145 HP @ 5800 RPM) has 40 more horse power than 1966 Alfa Romeo Giulia. (105 HP @ 6200 RPM) In normal driving conditions, 2003 Opel Astra should accelerate faster than 1966 Alfa Romeo Giulia. With that said, vehicle weight also plays an important factor in acceleration. 2003 Opel Astra weights approximately 326 kg more than 1966 Alfa Romeo Giulia. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2003 Opel Astra (203 Nm @ 4000 RPM) has 70 more torque (in Nm) than 1966 Alfa Romeo Giulia. (133 Nm @ 4500 RPM). This means 2003 Opel Astra will have an easier job in driving up hills or pulling heavy equipment than 1966 Alfa Romeo Giulia.
Compare all specifications:
| 1966 Alfa Romeo Giulia | 2003 Opel Astra | |
| Make | Alfa Romeo | Opel |
| Model | Giulia | Astra |
| Year Released | 1966 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 1570 cc | 2198 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 105 HP | 145 HP |
| Engine RPM | 6200 RPM | 5800 RPM |
| Torque | 133 Nm | 203 Nm |
| Torque RPM | 4500 RPM | 4000 RPM |
| Engine Bore Size | 78 mm | 86 mm |
| Engine Stroke Size | 82 mm | 94.6 mm |
| Engine Compression Ratio | 9.2:1 | 10.0:1 |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 972 kg | 1298 kg |
| Vehicle Length | 4130 mm | 4120 mm |
| Vehicle Width | 1670 mm | 1720 mm |
| Vehicle Height | 1250 mm | 1430 mm |
| Wheelbase Size | 2260 mm | 2500 mm |
| Fuel Tank Capacity | 100 L | 52 L |
