1956 Alfa Romeo Giulietta vs. 1977 Porsche 911
To start off, 1977 Porsche 911 is newer by 21 year(s). Which means there will be less support and parts availability for 1956 Alfa Romeo Giulietta. In addition, the cost of maintenance, including insurance, on 1956 Alfa Romeo Giulietta would be higher. At 3,299 cc (6 cylinders), 1977 Porsche 911 is equipped with a bigger engine. In terms of performance, 1977 Porsche 911 (296 HP @ 5500 RPM) has 220 more horse power than 1956 Alfa Romeo Giulietta. (76 HP @ 6300 RPM) In normal driving conditions, 1977 Porsche 911 should accelerate faster than 1956 Alfa Romeo Giulietta. With that said, vehicle weight also plays an important factor in acceleration. 1977 Porsche 911 weights approximately 486 kg more than 1956 Alfa Romeo Giulietta. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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, 1977 Porsche 911 (431 Nm @ 4000 RPM) has 319 more torque (in Nm) than 1956 Alfa Romeo Giulietta. (112 Nm @ 4250 RPM). This means 1977 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 1956 Alfa Romeo Giulietta.
Compare all specifications:
| 1956 Alfa Romeo Giulietta | 1977 Porsche 911 | |
| Make | Alfa Romeo | Porsche |
| Model | Giulietta | 911 |
| Year Released | 1956 | 1977 |
| Engine Position | Front | Rear |
| Engine Size | 1290 cc | 3299 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Horse Power | 76 HP | 296 HP |
| Engine RPM | 6300 RPM | 5500 RPM |
| Torque | 112 Nm | 431 Nm |
| Torque RPM | 4250 RPM | 4000 RPM |
| Engine Bore Size | 74 mm | 97.1 mm |
| Engine Stroke Size | 75 mm | 74.4 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 864 kg | 1350 kg |
| Vehicle Length | 3930 mm | 4300 mm |
| Vehicle Width | 1540 mm | 1780 mm |
| Vehicle Height | 1330 mm | 1320 mm |
| Wheelbase Size | 2400 mm | 2270 mm |
| Fuel Tank Capacity | 53 L | 80 L |
