1978 Alfa Romeo Alfetta vs. 2003 Audi RS6
To start off, 2003 Audi RS6 is newer by 25 year(s). Which means there will be less support and parts availability for 1978 Alfa Romeo Alfetta. In addition, the cost of maintenance, including insurance, on 1978 Alfa Romeo Alfetta would be higher. At 4,163 cc (8 cylinders), 2003 Audi RS6 is equipped with a bigger engine. In terms of performance, 2003 Audi RS6 (444 HP @ 6300 RPM) has 300 more horse power than 1978 Alfa Romeo Alfetta. (144 HP @ 6500 RPM) In normal driving conditions, 2003 Audi RS6 should accelerate faster than 1978 Alfa Romeo Alfetta. With that said, vehicle weight also plays an important factor in acceleration. 2003 Audi RS6 weights approximately 560 kg more than 1978 Alfa Romeo Alfetta. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2003 Audi RS6 is four wheel drive (4WD), it will have significant more traction and grip than 1978 Alfa Romeo Alfetta. In wet, icy, snow, or gravel driving conditions, 2003 Audi RS6 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, 2003 Audi RS6 (560 Nm @ 1950 RPM) has 391 more torque (in Nm) than 1978 Alfa Romeo Alfetta. (169 Nm @ 3500 RPM). This means 2003 Audi RS6 will have an easier job in driving up hills or pulling heavy equipment than 1978 Alfa Romeo Alfetta.
Compare all specifications:
| 1978 Alfa Romeo Alfetta | 2003 Audi RS6 | |
| Make | Alfa Romeo | Audi |
| Model | Alfetta | RS6 |
| Year Released | 1978 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 1747 cc | 4163 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 144 HP | 444 HP |
| Engine RPM | 6500 RPM | 6300 RPM |
| Torque | 169 Nm | 560 Nm |
| Torque RPM | 3500 RPM | 1950 RPM |
| Engine Bore Size | 82 mm | 84.5 mm |
| Engine Stroke Size | 82.7 mm | 93 mm |
| Engine Compression Ratio | 10.3:1 | 9.3:1 |
| Top Speed | 210 km/hour | 250 km/hour |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1350 kg | 1910 kg |
| Vehicle Length | 4290 mm | 4860 mm |
| Vehicle Width | 1790 mm | 1860 mm |
| Vehicle Height | 1320 mm | 1460 mm |
| Wheelbase Size | 2550 mm | 2760 mm |
| Fuel Tank Capacity | 70 L | 82 L |
