1986 BMW 735 vs. 1979 Mazda 121
To start off, 1986 BMW 735 is newer by 7 year(s). Which means there will be less support and parts availability for 1979 Mazda 121. In addition, the cost of maintenance, including insurance, on 1979 Mazda 121 would be higher. At 3,430 cc (6 cylinders), 1986 BMW 735 is equipped with a bigger engine. In terms of performance, 1986 BMW 735 (220 HP @ 5700 RPM) has 130 more horse power than 1979 Mazda 121. (90 HP @ 4800 RPM). In normal driving conditions, 1986 BMW 735 should accelerate faster than 1979 Mazda 121. With that said, vehicle weight also plays an important factor in acceleration. 1986 BMW 735 weights approximately 456 kg more than 1979 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, 1986 BMW 735 (315 Nm @ 4000 RPM) has 155 more torque (in Nm) than 1979 Mazda 121. (160 Nm @ 3000 RPM). This means 1986 BMW 735 will have an easier job in driving up hills or pulling heavy equipment than 1979 Mazda 121.
Compare all specifications:
| 1986 BMW 735 | 1979 Mazda 121 | |
| Make | BMW | Mazda |
| Model | 735 | 121 |
| Year Released | 1986 | 1979 |
| Engine Position | Front | Front |
| Engine Size | 3430 cc | 1970 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 220 HP | 90 HP |
| Engine RPM | 5700 RPM | 4800 RPM |
| Torque | 315 Nm | 160 Nm |
| Torque RPM | 4000 RPM | 3000 RPM |
| Engine Bore Size | 92 mm | 80 mm |
| Engine Stroke Size | 86 mm | 98 mm |
| Engine Compression Ratio | 9.2:1 | 8.6:1 |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 4 seats |
| Vehicle Weight | 1590 kg | 1134 kg |
| Vehicle Length | 4920 mm | 4510 mm |
| Vehicle Width | 1850 mm | 1690 mm |
| Vehicle Height | 1420 mm | 1350 mm |
| Wheelbase Size | 2840 mm | 2520 mm |
