1979 BMW 633 vs. 1975 Mazda 818
To start off, 1979 BMW 633 is newer by 4 year(s). Which means there will be less support and parts availability for 1975 Mazda 818. In addition, the cost of maintenance, including insurance, on 1975 Mazda 818 would be higher. At 3,210 cc (6 cylinders), 1979 BMW 633 is equipped with a bigger engine. In terms of performance, 1979 BMW 633 (194 HP @ 5500 RPM) has 126 more horse power than 1975 Mazda 818. (68 HP @ 6200 RPM). In normal driving conditions, 1979 BMW 633 should accelerate faster than 1975 Mazda 818. With that said, vehicle weight also plays an important factor in acceleration. 1979 BMW 633 weights approximately 590 kg more than 1975 Mazda 818. 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, 1979 BMW 633 (285 Nm @ 4300 RPM) has 193 more torque (in Nm) than 1975 Mazda 818. (92 Nm @ 4000 RPM). This means 1979 BMW 633 will have an easier job in driving up hills or pulling heavy equipment than 1975 Mazda 818.
Compare all specifications:
| 1979 BMW 633 | 1975 Mazda 818 | |
| Make | BMW | Mazda |
| Model | 633 | 818 |
| Year Released | 1979 | 1975 |
| Engine Position | Front | Front |
| Engine Size | 3210 cc | 1272 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 194 HP | 68 HP |
| Engine RPM | 5500 RPM | 6200 RPM |
| Torque | 285 Nm | 92 Nm |
| Torque RPM | 4300 RPM | 4000 RPM |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Vehicle Weight | 1470 kg | 880 kg |
| Vehicle Length | 4760 mm | 4080 mm |
| Vehicle Width | 1760 mm | 1600 mm |
| Vehicle Height | 1390 mm | 1390 mm |
| Wheelbase Size | 2640 mm | 2320 mm |
