2003 Alpina B7 vs. 1975 Mazda RX-3
To start off, 2003 Alpina B7 is newer by 28 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 4,396 cc (8 cylinders), 2003 Alpina B7 is equipped with a bigger engine. In terms of performance, 2003 Alpina B7 (492 HP @ 5500 RPM) has 392 more horse power than 1975 Mazda RX-3. (100 HP @ 7000 RPM). In normal driving conditions, 2003 Alpina B7 should accelerate faster than 1975 Mazda RX-3. With that said, vehicle weight also plays an important factor in acceleration. 2003 Alpina B7 weights approximately 1150 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, 2003 Alpina B7 (700 Nm @ 3000 RPM) has 564 more torque (in Nm) than 1975 Mazda RX-3. (136 Nm @ 4000 RPM). This means 2003 Alpina B7 will have an easier job in driving up hills or pulling heavy equipment than 1975 Mazda RX-3.
Compare all specifications:
| 2003 Alpina B7 | 1975 Mazda RX-3 | |
| Make | Alpina | Mazda |
| Model | B7 | RX-3 |
| Year Released | 2003 | 1975 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 4396 cc | 1964 cc |
| Engine Type | V | dual-disk rotary |
| Horse Power | 492 HP | 100 HP |
| Engine RPM | 5500 RPM | 7000 RPM |
| Torque | 700 Nm | 136 Nm |
| Torque RPM | 3000 RPM | 4000 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 2000 kg | 850 kg |
| Vehicle Length | 5040 mm | 4090 mm |
| Vehicle Width | 1910 mm | 1600 mm |
| Vehicle Height | 1500 mm | 1380 mm |
| Wheelbase Size | 3000 mm | 2320 mm |
| Fuel Tank Capacity | 88 L | 65 L |
