1978 Alfa Romeo Alfasud vs. 2005 Audi A4
To start off, 2005 Audi A4 is newer by 27 year(s). Which means there will be less support and parts availability for 1978 Alfa Romeo Alfasud. In addition, the cost of maintenance, including insurance, on 1978 Alfa Romeo Alfasud would be higher. At 1,984 cc (4 cylinders), 2005 Audi A4 is equipped with a bigger engine. In terms of performance, 2005 Audi A4 (129 HP @ 4000 RPM) has 45 more horse power than 1978 Alfa Romeo Alfasud. (84 HP @ 5800 RPM) In normal driving conditions, 2005 Audi A4 should accelerate faster than 1978 Alfa Romeo Alfasud. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A4 weights approximately 664 kg more than 1978 Alfa Romeo Alfasud. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 1978 Alfa Romeo Alfasud. In wet, icy, snow, or gravel driving conditions, 2005 Audi A4 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 Audi A4 (310 Nm @ 1900 RPM) has 190 more torque (in Nm) than 1978 Alfa Romeo Alfasud. (120 Nm @ 3500 RPM). This means 2005 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1978 Alfa Romeo Alfasud.
Compare all specifications:
| 1978 Alfa Romeo Alfasud | 2005 Audi A4 | |
| Make | Alfa Romeo | Audi |
| Model | Alfasud | A4 |
| Year Released | 1978 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 1490 cc | 1984 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | boxer | in-line |
| Horse Power | 84 HP | 129 HP |
| Engine RPM | 5800 RPM | 4000 RPM |
| Torque | 120 Nm | 310 Nm |
| Torque RPM | 3500 RPM | 1900 RPM |
| Engine Bore Size | 84 mm | 79.5 mm |
| Engine Stroke Size | 67.2 mm | 95.5 mm |
| Engine Compression Ratio | 9.0:1 | 19.0:1 |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 876 kg | 1540 kg |
| Vehicle Length | 3930 mm | 4550 mm |
| Vehicle Width | 1620 mm | 1780 mm |
| Vehicle Height | 1380 mm | 1430 mm |
| Wheelbase Size | 2520 mm | 2660 mm |
| Fuel Tank Capacity | 50 L | 66 L |
