1991 Alpina B vs. 1975 Mazda RX-3
To start off, 1991 Alpina B is newer by 16 year(s). Which means there will be less support and parts availability for 1975 Mazda RX-3. In addition, the cost of maintenance, including insurance, on 1975 Mazda RX-3 would be higher. At 5,646 cc (12 cylinders), 1991 Alpina B is equipped with a bigger engine. In terms of performance, 1991 Alpina B (410 HP @ 5400 RPM) has 310 more horse power than 1975 Mazda RX-3. (100 HP @ 7000 RPM). In normal driving conditions, 1991 Alpina B should accelerate faster than 1975 Mazda RX-3. With that said, vehicle weight also plays an important factor in acceleration. 1991 Alpina B weights approximately 1016 kg more than 1975 Mazda RX-3. 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, 1991 Alpina B (570 Nm @ 4000 RPM) has 434 more torque (in Nm) than 1975 Mazda RX-3. (136 Nm @ 4000 RPM). This means 1991 Alpina B will have an easier job in driving up hills or pulling heavy equipment than 1975 Mazda RX-3.
Compare all specifications:
| 1991 Alpina B | 1975 Mazda RX-3 | |
| Make | Alpina | Mazda |
| Model | B | RX-3 |
| Year Released | 1991 | 1975 |
| Engine Size | 5646 cc | 1964 cc |
| Engine Type | in-line | dual-disk rotary |
| Horse Power | 410 HP | 100 HP |
| Engine RPM | 5400 RPM | 7000 RPM |
| Torque | 570 Nm | 136 Nm |
| Torque RPM | 4000 RPM | 4000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Vehicle Weight | 1866 kg | 850 kg |
| Vehicle Length | 4790 mm | 4090 mm |
| Vehicle Width | 1860 mm | 1600 mm |
| Vehicle Height | 1350 mm | 1380 mm |
| Wheelbase Size | 2690 mm | 2320 mm |
