1975 Alfa Romeo Alfetta vs. 2011 Audi S3
To start off, 2011 Audi S3 is newer by 36 year(s). Which means there will be less support and parts availability for 1975 Alfa Romeo Alfetta. In addition, the cost of maintenance, including insurance, on 1975 Alfa Romeo Alfetta would be higher. At 1,984 cc (4 cylinders), 2011 Audi S3 is equipped with a bigger engine. In terms of performance, 2011 Audi S3 (252 HP @ 6000 RPM) has 144 more horse power than 1975 Alfa Romeo Alfetta. (108 HP @ 5600 RPM) In normal driving conditions, 2011 Audi S3 should accelerate faster than 1975 Alfa Romeo Alfetta. With that said, vehicle weight also plays an important factor in acceleration. 2011 Audi S3 weights approximately 375 kg more than 1975 Alfa Romeo Alfetta. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2011 Audi S3 is four wheel drive (4WD), it will have significant more traction and grip than 1975 Alfa Romeo Alfetta. In wet, icy, snow, or gravel driving conditions, 2011 Audi S3 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, 2011 Audi S3 (331 Nm @ 2400 RPM) has 189 more torque (in Nm) than 1975 Alfa Romeo Alfetta. (142 Nm @ 4300 RPM). This means 2011 Audi S3 will have an easier job in driving up hills or pulling heavy equipment than 1975 Alfa Romeo Alfetta.
Compare all specifications:
| 1975 Alfa Romeo Alfetta | 2011 Audi S3 | |
| Make | Alfa Romeo | Audi |
| Model | Alfetta | S3 |
| Year Released | 1975 | 2011 |
| Engine Position | Front | Front |
| Engine Size | 1570 cc | 1984 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 108 HP | 252 HP |
| Engine RPM | 5600 RPM | 6000 RPM |
| Torque | 142 Nm | 331 Nm |
| Torque RPM | 4300 RPM | 2400 RPM |
| Engine Bore Size | 78 mm | 82.5 mm |
| Engine Stroke Size | 82 mm | 92.8 mm |
| Top Speed | 175 km/hour | 250 km/hour |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 3 doors |
| Vehicle Weight | 1080 kg | 1455 kg |
| Vehicle Length | 4290 mm | 4220 mm |
| Vehicle Width | 1620 mm | 1410 mm |
| Vehicle Height | 1440 mm | 1770 mm |
| Wheelbase Size | 2520 mm | 2580 mm |
| Fuel Tank Capacity | 49 L | 60 L |
