1974 Alfa Romeo Alfetta vs. 2005 Porsche 911
To start off, 2005 Porsche 911 is newer by 31 year(s). Which means there will be less support and parts availability for 1974 Alfa Romeo Alfetta. In addition, the cost of maintenance, including insurance, on 1974 Alfa Romeo Alfetta would be higher. At 3,605 cc (6 cylinders), 2005 Porsche 911 is equipped with a bigger engine. In terms of performance, 2005 Porsche 911 (444 HP @ 5700 RPM) has 322 more horse power than 1974 Alfa Romeo Alfetta. (122 HP @ 5500 RPM) In normal driving conditions, 2005 Porsche 911 should accelerate faster than 1974 Alfa Romeo Alfetta. With that said, vehicle weight also plays an important factor in acceleration. 2005 Porsche 911 weights approximately 612 kg more than 1974 Alfa Romeo Alfetta. 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 1974 Alfa Romeo Alfetta. 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 (620 Nm @ 3500 RPM) has 453 more torque (in Nm) than 1974 Alfa Romeo Alfetta. (167 Nm @ 4400 RPM). This means 2005 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 1974 Alfa Romeo Alfetta.
Compare all specifications:
| 1974 Alfa Romeo Alfetta | 2005 Porsche 911 | |
| Make | Alfa Romeo | Porsche |
| Model | Alfetta | 911 |
| Year Released | 1974 | 2005 |
| Body Type | Coupe | Convertible |
| Engine Position | Front | Rear |
| Engine Size | 1779 cc | 3605 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Horse Power | 122 HP | 444 HP |
| Engine RPM | 5500 RPM | 5700 RPM |
| Torque | 167 Nm | 620 Nm |
| Torque RPM | 4400 RPM | 3500 RPM |
| Engine Bore Size | 80 mm | 100 mm |
| Engine Stroke Size | 88.5 mm | 76 mm |
| Engine Compression Ratio | 9.5:1 | 9.4:1 |
| Top Speed | 182 km/hour | 307 km/hour |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 3 doors | 2 doors |
| Vehicle Weight | 1048 kg | 1660 kg |
| Vehicle Length | 4160 mm | 4440 mm |
| Vehicle Width | 1670 mm | 1840 mm |
| Vehicle Height | 1340 mm | 1300 mm |
| Wheelbase Size | 2520 mm | 2360 mm |
| Fuel Tank Capacity | 53 L | 63 L |
