1972 Alfa Romeo Junior vs. 2007 Audi RS4
To start off, 2007 Audi RS4 is newer by 35 year(s). Which means there will be less support and parts availability for 1972 Alfa Romeo Junior. In addition, the cost of maintenance, including insurance, on 1972 Alfa Romeo Junior would be higher. At 4,161 cc (8 cylinders), 2007 Audi RS4 is equipped with a bigger engine. In terms of performance, 2007 Audi RS4 (414 HP @ 7800 RPM) has 306 more horse power than 1972 Alfa Romeo Junior. (108 HP @ 6000 RPM) In normal driving conditions, 2007 Audi RS4 should accelerate faster than 1972 Alfa Romeo Junior. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi RS4 weights approximately 680 kg more than 1972 Alfa Romeo Junior. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Audi RS4 is four wheel drive (4WD), it will have significant more traction and grip than 1972 Alfa Romeo Junior. In wet, icy, snow, or gravel driving conditions, 2007 Audi RS4 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, 2007 Audi RS4 (430 Nm @ 5500 RPM) has 290 more torque (in Nm) than 1972 Alfa Romeo Junior. (140 Nm @ 2800 RPM). This means 2007 Audi RS4 will have an easier job in driving up hills or pulling heavy equipment than 1972 Alfa Romeo Junior.
Compare all specifications:
| 1972 Alfa Romeo Junior | 2007 Audi RS4 | |
| Make | Alfa Romeo | Audi |
| Model | Junior | RS4 |
| Year Released | 1972 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 1570 cc | 4161 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 108 HP | 414 HP |
| Engine RPM | 6000 RPM | 7800 RPM |
| Torque | 140 Nm | 430 Nm |
| Torque RPM | 2800 RPM | 5500 RPM |
| Engine Bore Size | 78 mm | 84.5 mm |
| Engine Stroke Size | 82 mm | 92.8 mm |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Vehicle Weight | 1030 kg | 1710 kg |
| Vehicle Length | 3910 mm | 4590 mm |
| Vehicle Width | 1560 mm | 1820 mm |
| Vehicle Height | 1290 mm | 1420 mm |
| Wheelbase Size | 2260 mm | 2660 mm |
