2003 Alpina B7 vs. 1977 Mazda 121
To start off, 2003 Alpina B7 is newer by 26 year(s). Which means there will be less support and parts availability for 1977 Mazda 121. In addition, the cost of maintenance, including insurance, on 1977 Mazda 121 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 378 more horse power than 1977 Mazda 121. (114 HP @ 6000 RPM). In normal driving conditions, 2003 Alpina B7 should accelerate faster than 1977 Mazda 121. With that said, vehicle weight also plays an important factor in acceleration. 2003 Alpina B7 weights approximately 800 kg more than 1977 Mazda 121. 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 535 more torque (in Nm) than 1977 Mazda 121. (165 Nm @ 4000 RPM). This means 2003 Alpina B7 will have an easier job in driving up hills or pulling heavy equipment than 1977 Mazda 121.
Compare all specifications:
| 2003 Alpina B7 | 1977 Mazda 121 | |
| Make | Alpina | Mazda |
| Model | B7 | 121 |
| Year Released | 2003 | 1977 |
| Engine Position | Front | Front |
| Engine Size | 4396 cc | 2615 cc |
| Engine Cylinders | 8 cylinders | 2 cylinders |
| Engine Type | V | in-line |
| Horse Power | 492 HP | 114 HP |
| Engine RPM | 5500 RPM | 6000 RPM |
| Torque | 700 Nm | 165 Nm |
| Torque RPM | 3000 RPM | 4000 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 4 seats |
| Vehicle Weight | 2000 kg | 1200 kg |
| Vehicle Length | 5040 mm | 4510 mm |
| Vehicle Width | 1910 mm | 1690 mm |
| Vehicle Height | 1500 mm | 1350 mm |
| Wheelbase Size | 3000 mm | 2520 mm |
