1963 Alfa Romeo Giulia vs. 1975 Porsche 911
To start off, 1975 Porsche 911 is newer by 12 year(s). Which means there will be less support and parts availability for 1963 Alfa Romeo Giulia. In addition, the cost of maintenance, including insurance, on 1963 Alfa Romeo Giulia would be higher. At 2,994 cc (6 cylinders), 1975 Porsche 911 is equipped with a bigger engine. In terms of performance, 1975 Porsche 911 (260 HP) has 145 more horse power than 1963 Alfa Romeo Giulia. (115 HP) In normal driving conditions, 1975 Porsche 911 should accelerate faster than 1963 Alfa Romeo Giulia. With that said, vehicle weight also plays an important factor in acceleration. 1975 Porsche 911 weights approximately 145 kg more than 1963 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, 1975 Porsche 911 (343 Nm @ 4000 RPM) has 198 more torque (in Nm) than 1963 Alfa Romeo Giulia. (145 Nm @ 4400 RPM). This means 1975 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 1963 Alfa Romeo Giulia.
Compare all specifications:
| 1963 Alfa Romeo Giulia | 1975 Porsche 911 | |
| Make | Alfa Romeo | Porsche |
| Model | Giulia | 911 |
| Year Released | 1963 | 1975 |
| Engine Position | Front | Rear |
| Engine Size | 1570 cc | 2994 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Horse Power | 115 HP | 260 HP |
| Torque | 145 Nm | 343 Nm |
| Torque RPM | 4400 RPM | 4000 RPM |
| Engine Bore Size | 78.1 mm | 95.1 mm |
| Engine Stroke Size | 82 mm | 70.4 mm |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1050 kg | 1195 kg |
| Vehicle Length | 4150 mm | 4300 mm |
| Vehicle Width | 1570 mm | 1780 mm |
| Vehicle Height | 1440 mm | 1330 mm |
| Wheelbase Size | 2520 mm | 2270 mm |
| Fuel Tank Capacity | 46 L | 79 L |
