1955 Alfa Romeo Giulietta vs. 2009 Porsche 911
To start off, 2009 Porsche 911 is newer by 54 year(s). Which means there will be less support and parts availability for 1955 Alfa Romeo Giulietta. In addition, the cost of maintenance, including insurance, on 1955 Alfa Romeo Giulietta would be higher. At 3,600 cc (6 cylinders), 2009 Porsche 911 is equipped with a bigger engine. In terms of performance, 2009 Porsche 911 (473 HP @ 6000 RPM) has 402 more horse power than 1955 Alfa Romeo Giulietta. (71 HP @ 6000 RPM) In normal driving conditions, 2009 Porsche 911 should accelerate faster than 1955 Alfa Romeo Giulietta. With that said, vehicle weight also plays an important factor in acceleration. 2009 Porsche 911 weights approximately 585 kg more than 1955 Alfa Romeo Giulietta. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Porsche 911 is four wheel drive (4WD), it will have significant more traction and grip than 1955 Alfa Romeo Giulietta. In wet, icy, snow, or gravel driving conditions, 2009 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, 2009 Porsche 911 (620 Nm @ 1950 RPM) has 508 more torque (in Nm) than 1955 Alfa Romeo Giulietta. (112 Nm @ 4250 RPM). This means 2009 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 1955 Alfa Romeo Giulietta. 2009 Porsche 911 has automatic transmission and 1955 Alfa Romeo Giulietta has manual transmission. 1955 Alfa Romeo Giulietta will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Porsche 911 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1955 Alfa Romeo Giulietta | 2009 Porsche 911 | |
| Make | Alfa Romeo | Porsche |
| Model | Giulietta | 911 |
| Year Released | 1955 | 2009 |
| Body Type | Convertible | Convertible |
| Engine Position | Front | Rear |
| Engine Size | 1290 cc | 3600 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 71 HP | 473 HP |
| Engine RPM | 6000 RPM | 6000 RPM |
| Torque | 112 Nm | 620 Nm |
| Torque RPM | 4250 RPM | 1950 RPM |
| Engine Compression Ratio | 8.5:1 | 9.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Top Speed | 163 km/hour | 305 km/hour |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 840 kg | 1425 kg |
| Vehicle Length | 3410 mm | 4460 mm |
| Vehicle Width | 1550 mm | 1310 mm |
| Vehicle Height | 1190 mm | 1860 mm |
| Wheelbase Size | 2260 mm | 2360 mm |
| Fuel Tank Capacity | 71 L | 67 L |
