1981 Alfa Romeo Alfasud vs. 2007 Audi RS4
To start off, 2007 Audi RS4 is newer by 26 year(s). Which means there will be less support and parts availability for 1981 Alfa Romeo Alfasud. In addition, the cost of maintenance, including insurance, on 1981 Alfa Romeo Alfasud would be higher. At 4,161 cc (8 cylinders), 2007 Audi RS4 is equipped with a bigger engine. In terms of performance, 2007 Audi RS4 (414 HP @ 7800 RPM) has 298 more horse power than 1981 Alfa Romeo Alfasud. (116 HP @ 5800 RPM) In normal driving conditions, 2007 Audi RS4 should accelerate faster than 1981 Alfa Romeo Alfasud. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi RS4 weights approximately 800 kg more than 1981 Alfa Romeo Alfasud. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Audi RS4 is four wheel drive (4WD), it will have significant more traction and grip than 1981 Alfa Romeo Alfasud. In wet, icy, snow, or gravel driving conditions, 2007 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, 2007 Audi RS4 (430 Nm @ 5500 RPM) has 283 more torque (in Nm) than 1981 Alfa Romeo Alfasud. (147 Nm @ 3500 RPM). This means 2007 Audi RS4 will have an easier job in driving up hills or pulling heavy equipment than 1981 Alfa Romeo Alfasud.
Compare all specifications:
| 1981 Alfa Romeo Alfasud | 2007 Audi RS4 | |
| Make | Alfa Romeo | Audi |
| Model | Alfasud | RS4 |
| Year Released | 1981 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 1712 cc | 4161 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 116 HP | 414 HP |
| Engine RPM | 5800 RPM | 7800 RPM |
| Torque | 147 Nm | 430 Nm |
| Torque RPM | 3500 RPM | 5500 RPM |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Vehicle Weight | 910 kg | 1710 kg |
| Vehicle Length | 4030 mm | 4590 mm |
| Vehicle Width | 1630 mm | 1820 mm |
| Vehicle Height | 1310 mm | 1420 mm |
| Wheelbase Size | 2470 mm | 2660 mm |
