1972 Alfa Romeo Junior vs. 2003 Alpina B3
To start off, 2003 Alpina B3 is newer by 31 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 3,346 cc (6 cylinders), 2003 Alpina B3 is equipped with a bigger engine. In terms of performance, 2003 Alpina B3 (301 HP @ 6300 RPM) has 215 more horse power than 1972 Alfa Romeo Junior. (86 HP @ 6000 RPM) In normal driving conditions, 2003 Alpina B3 should accelerate faster than 1972 Alfa Romeo Junior. With that said, vehicle weight also plays an important factor in acceleration. 2003 Alpina B3 weights approximately 980 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.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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 Alpina B3 (362 Nm @ 4800 RPM) has 247 more torque (in Nm) than 1972 Alfa Romeo Junior. (115 Nm @ 3200 RPM). This means 2003 Alpina B3 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 | 2003 Alpina B3 | |
| Make | Alfa Romeo | Alpina |
| Model | Junior | B3 |
| Year Released | 1972 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 1290 cc | 3346 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 86 HP | 301 HP |
| Engine RPM | 6000 RPM | 6300 RPM |
| Torque | 115 Nm | 362 Nm |
| Torque RPM | 3200 RPM | 4800 RPM |
| Engine Bore Size | 74 mm | 87 mm |
| Engine Stroke Size | 75 mm | 93.1 mm |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | Rear |
| Number of Seats | 2 seats | 4 seats |
| Vehicle Weight | 970 kg | 1950 kg |
| Vehicle Length | 3910 mm | 4490 mm |
| Vehicle Width | 1560 mm | 1760 mm |
| Vehicle Height | 1290 mm | 1370 mm |
| Wheelbase Size | 2260 mm | 2730 mm |
