1975 Alfa Romeo Alfetta vs. 2004 Audi S4
To start off, 2004 Audi S4 is newer by 29 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 4,170 cc (8 cylinders), 2004 Audi S4 is equipped with a bigger engine. In terms of performance, 2004 Audi S4 (339 HP @ 7000 RPM) has 231 more horse power than 1975 Alfa Romeo Alfetta. (108 HP @ 5600 RPM) In normal driving conditions, 2004 Audi S4 should accelerate faster than 1975 Alfa Romeo Alfetta. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi S4 weights approximately 675 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 2004 Audi S4 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, 2004 Audi S4 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, 2004 Audi S4 (410 Nm @ 3500 RPM) has 268 more torque (in Nm) than 1975 Alfa Romeo Alfetta. (142 Nm @ 4300 RPM). This means 2004 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 1975 Alfa Romeo Alfetta. 2004 Audi S4 has automatic transmission and 1975 Alfa Romeo Alfetta has manual transmission. 1975 Alfa Romeo Alfetta will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2004 Audi S4 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1975 Alfa Romeo Alfetta | 2004 Audi S4 | |
| Make | Alfa Romeo | Audi |
| Model | Alfetta | S4 |
| Year Released | 1975 | 2004 |
| Engine Position | Front | Front |
| Engine Size | 1570 cc | 4170 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 108 HP | 339 HP |
| Engine RPM | 5600 RPM | 7000 RPM |
| Torque | 142 Nm | 410 Nm |
| Torque RPM | 4300 RPM | 3500 RPM |
| Engine Bore Size | 78 mm | 84.5 mm |
| Engine Stroke Size | 82 mm | 92.8 mm |
| Engine Compression Ratio | 9.0:1 | 11.0:1 |
| Top Speed | 175 km/hour | 250 km/hour |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1080 kg | 1755 kg |
| Vehicle Length | 4290 mm | 4590 mm |
| Vehicle Width | 1620 mm | 1780 mm |
| Vehicle Height | 1440 mm | 1430 mm |
| Wheelbase Size | 2520 mm | 2430 mm |
| Fuel Tank Capacity | 49 L | 63 L |
