2006 Alpina B3 vs. 1981 Mazda RX-7
To start off, 2006 Alpina B3 is newer by 25 year(s). Which means there will be less support and parts availability for 1981 Mazda RX-7. In addition, the cost of maintenance, including insurance, on 1981 Mazda RX-7 would be higher. At 3,346 cc (6 cylinders), 2006 Alpina B3 is equipped with a bigger engine. In terms of performance, 2006 Alpina B3 (301 HP @ 6300 RPM) has 197 more horse power than 1981 Mazda RX-7. (104 HP @ 6000 RPM). In normal driving conditions, 2006 Alpina B3 should accelerate faster than 1981 Mazda RX-7. With that said, vehicle weight also plays an important factor in acceleration. 2006 Alpina B3 weights approximately 566 kg more than 1981 Mazda RX-7. 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, 2006 Alpina B3 (362 Nm @ 4800 RPM) has 217 more torque (in Nm) than 1981 Mazda RX-7. (145 Nm @ 4000 RPM). This means 2006 Alpina B3 will have an easier job in driving up hills or pulling heavy equipment than 1981 Mazda RX-7.
Compare all specifications:
| 2006 Alpina B3 | 1981 Mazda RX-7 | |
| Make | Alpina | Mazda |
| Model | B3 | RX-7 |
| Year Released | 2006 | 1981 |
| Body Type | Convertible | Coupe |
| Engine Position | Front | Front |
| Engine Size | 3346 cc | 2292 cc |
| Engine Type | in-line | dual-disk rotary |
| Horse Power | 301 HP | 104 HP |
| Engine RPM | 6300 RPM | 6000 RPM |
| Torque | 362 Nm | 145 Nm |
| Torque RPM | 4800 RPM | 4000 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 264 km/hour | 188 km/hour |
| Drive Type | Rear | Rear |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1626 kg | 1060 kg |
| Vehicle Length | 4490 mm | 4300 mm |
| Vehicle Width | 1760 mm | 1680 mm |
| Vehicle Height | 1360 mm | 1280 mm |
| Wheelbase Size | 2730 mm | 2430 mm |
| Fuel Tank Capacity | 63 L | 65 L |
