1981 Alfa Romeo Alfa 6 vs. 2007 Audi A4
To start off, 2007 Audi A4 is newer by 26 year(s). Which means there will be less support and parts availability for 1981 Alfa Romeo Alfa 6. In addition, the cost of maintenance, including insurance, on 1981 Alfa Romeo Alfa 6 would be higher. At 3,123 cc, 2007 Audi A4 is equipped with a bigger engine. In terms of performance, 2007 Audi A4 (252 HP @ 5100 RPM) has 119 more horse power than 1981 Alfa Romeo Alfa 6. (133 HP @ 5600 RPM) In normal driving conditions, 2007 Audi A4 should accelerate faster than 1981 Alfa Romeo Alfa 6. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi A4 weights approximately 228 kg more than 1981 Alfa Romeo Alfa 6. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2007 Audi A4 (330 Nm @ 3250 RPM) has 152 more torque (in Nm) than 1981 Alfa Romeo Alfa 6. (178 Nm @ 4500 RPM). This means 2007 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1981 Alfa Romeo Alfa 6.
Compare all specifications:
| 1981 Alfa Romeo Alfa 6 | 2007 Audi A4 | |
| Make | Alfa Romeo | Audi |
| Model | Alfa 6 | A4 |
| Year Released | 1981 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 1997 cc | 3123 cc |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 133 HP | 252 HP |
| Engine RPM | 5600 RPM | 5100 RPM |
| Torque | 178 Nm | 330 Nm |
| Torque RPM | 4500 RPM | 3250 RPM |
| Engine Bore Size | 80 mm | 84.5 mm |
| Engine Stroke Size | 66.2 mm | 92.8 mm |
| Fuel Type | Gasoline | Gasoline - Premium |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Vehicle Weight | 1470 kg | 1698 kg |
| Vehicle Length | 4770 mm | 4580 mm |
| Vehicle Width | 1690 mm | 1400 mm |
| Vehicle Height | 1430 mm | 1780 mm |
| Wheelbase Size | 2610 mm | 2660 mm |
