1974 Alfa Romeo Alfetta vs. 2006 Audi RS4
To start off, 2006 Audi RS4 is newer by 32 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 4,163 cc (8 cylinders), 2006 Audi RS4 is equipped with a bigger engine. In terms of performance, 2006 Audi RS4 (414 HP @ 7800 RPM) has 292 more horse power than 1974 Alfa Romeo Alfetta. (122 HP @ 5500 RPM) In normal driving conditions, 2006 Audi RS4 should accelerate faster than 1974 Alfa Romeo Alfetta. With that said, vehicle weight also plays an important factor in acceleration. 2006 Audi RS4 weights approximately 602 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 2006 Audi RS4 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, 2006 Audi RS4 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, 2006 Audi RS4 (430 Nm @ 5500 RPM) has 263 more torque (in Nm) than 1974 Alfa Romeo Alfetta. (167 Nm @ 4400 RPM). This means 2006 Audi RS4 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 | 2006 Audi RS4 | |
| Make | Alfa Romeo | Audi |
| Model | Alfetta | RS4 |
| Year Released | 1974 | 2006 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1779 cc | 4163 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 122 HP | 414 HP |
| Engine RPM | 5500 RPM | 7800 RPM |
| Torque | 167 Nm | 430 Nm |
| Torque RPM | 4400 RPM | 5500 RPM |
| Engine Bore Size | 80 mm | 84.5 mm |
| Engine Stroke Size | 88.5 mm | 92.8 mm |
| Engine Compression Ratio | 9.5:1 | 12.5:1 |
| Top Speed | 182 km/hour | 250 km/hour |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 3 doors | 4 doors |
| Vehicle Weight | 1048 kg | 1650 kg |
| Vehicle Length | 4160 mm | 4590 mm |
| Vehicle Width | 1670 mm | 1820 mm |
| Vehicle Height | 1340 mm | 1420 mm |
| Wheelbase Size | 2520 mm | 2660 mm |
| Fuel Tank Capacity | 53 L | 63 L |
