1966 Alfa Romeo Giulia vs. 2003 Porsche 911
To start off, 2003 Porsche 911 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 3,600 cc (6 cylinders), 2003 Porsche 911 is equipped with a bigger engine. In terms of performance, 2003 Porsche 911 (443 HP @ 6000 RPM) has 338 more horse power than 1966 Alfa Romeo Giulia. (105 HP @ 6200 RPM) In normal driving conditions, 2003 Porsche 911 should accelerate faster than 1966 Alfa Romeo Giulia. With that said, vehicle weight also plays an important factor in acceleration. 2003 Porsche 911 weights approximately 732 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 Porsche 911 (620 Nm @ 2700 RPM) has 487 more torque (in Nm) than 1966 Alfa Romeo Giulia. (133 Nm @ 4500 RPM). This means 2003 Porsche 911 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 Porsche 911 | |
| Make | Alfa Romeo | Porsche |
| Model | Giulia | 911 |
| Year Released | 1966 | 2003 |
| Engine Position | Front | Rear |
| Engine Size | 1570 cc | 3600 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Horse Power | 105 HP | 443 HP |
| Engine RPM | 6200 RPM | 6000 RPM |
| Torque | 133 Nm | 620 Nm |
| Torque RPM | 4500 RPM | 2700 RPM |
| Engine Bore Size | 78 mm | 100 mm |
| Engine Stroke Size | 82 mm | 76.4 mm |
| Engine Compression Ratio | 9.2:1 | 9.4:1 |
| Number of Seats | 4 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 972 kg | 1704 kg |
| Vehicle Length | 4130 mm | 4440 mm |
| Vehicle Width | 1670 mm | 1840 mm |
| Vehicle Height | 1250 mm | 1300 mm |
| Wheelbase Size | 2260 mm | 2360 mm |
| Fuel Tank Capacity | 100 L | 64 L |
