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 3,595 cc (6 cylinders), 2005 Porsche 911 is equipped with a bigger engine. In terms of performance, 2005 Porsche 911 (316 HP @ 4250 RPM) has 207 more horse power than 1974 Alfa Romeo Alfetta. (109 HP @ 5600 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 487 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 (370 Nm @ 4250 RPM) has 229 more torque (in Nm) than 1974 Alfa Romeo Alfetta. (141 Nm @ 4300 RPM). This means 2005 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 1974 Alfa Romeo Alfetta. 2005 Porsche 911 has automatic transmission and 1974 Alfa Romeo Alfetta has manual transmission. 1974 Alfa Romeo Alfetta 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:
| 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 | 1570 cc | 3595 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Horse Power | 109 HP | 316 HP |
| Engine RPM | 5600 RPM | 4250 RPM |
| Torque | 141 Nm | 370 Nm |
| Torque RPM | 4300 RPM | 4250 RPM |
| Engine Compression Ratio | 9.0:1 | 11.3:1 |
| Top Speed | 159 km/hour | 285 km/hour |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Doors | 3 doors | 2 doors |
| Vehicle Weight | 998 kg | 1485 kg |
| Vehicle Length | 4200 mm | 4440 mm |
| Vehicle Width | 1670 mm | 1780 mm |
| Vehicle Height | 1340 mm | 1310 mm |
| Wheelbase Size | 2410 mm | 2360 mm |
| Fuel Tank Capacity | 49 L | 64 L |
