1977 Alfa Romeo Giulietta vs. 2005 Porsche 911
To start off, 2005 Porsche 911 is newer by 28 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 3,596 cc (6 cylinders), 2005 Porsche 911 is equipped with a bigger engine. In terms of performance, 2005 Porsche 911 (321 HP @ 4250 RPM) has 213 more horse power than 1977 Alfa Romeo Giulietta. (108 HP @ 5600 RPM) In normal driving conditions, 2005 Porsche 911 should accelerate faster than 1977 Alfa Romeo Giulietta. With that said, vehicle weight also plays an important factor in acceleration. 2005 Porsche 911 weights approximately 335 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 2005 Porsche 911 is four wheel drive (4WD), it will have significant more traction and grip than 1977 Alfa Romeo Giulietta. In wet, icy, snow, or gravel driving conditions, 2005 Porsche 911 will offer significantly more control. 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, 2005 Porsche 911 (370 Nm @ 4250 RPM) has 226 more torque (in Nm) than 1977 Alfa Romeo Giulietta. (144 Nm @ 4300 RPM). This means 2005 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 1977 Alfa Romeo Giulietta. 2005 Porsche 911 has automatic transmission and 1977 Alfa Romeo Giulietta has manual transmission. 1977 Alfa Romeo Giulietta will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 Porsche 911 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1977 Alfa Romeo Giulietta | 2005 Porsche 911 | |
| Make | Alfa Romeo | Porsche |
| Model | Giulietta | 911 |
| Year Released | 1977 | 2005 |
| Engine Position | Front | Rear |
| Engine Size | 1570 cc | 3596 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 108 HP | 321 HP |
| Engine RPM | 5600 RPM | 4250 RPM |
| Torque | 144 Nm | 370 Nm |
| Torque RPM | 4300 RPM | 4250 RPM |
| Engine Bore Size | 78 mm | 96 mm |
| Engine Stroke Size | 82 mm | 82.8 mm |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1070 kg | 1405 kg |
| Vehicle Length | 4220 mm | 4440 mm |
| Vehicle Width | 1660 mm | 1780 mm |
| Vehicle Height | 1410 mm | 1310 mm |
| Wheelbase Size | 2520 mm | 2360 mm |
| Fuel Tank Capacity | 53 L | 64 L |
