1981 BMW 745 vs. 1978 Mazda 929
To start off, 1981 BMW 745 is newer by 3 year(s). Which means there will be less support and parts availability for 1978 Mazda 929. In addition, the cost of maintenance, including insurance, on 1978 Mazda 929 would be higher. At 3,430 cc (6 cylinders), 1981 BMW 745 is equipped with a bigger engine. In terms of performance, 1981 BMW 745 (252 HP @ 5200 RPM) has 162 more horse power than 1978 Mazda 929. (90 HP @ 4800 RPM). In normal driving conditions, 1981 BMW 745 should accelerate faster than 1978 Mazda 929. With that said, vehicle weight also plays an important factor in acceleration. 1981 BMW 745 weights approximately 440 kg more than 1978 Mazda 929. 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, 1981 BMW 745 (380 Nm @ 2200 RPM) has 220 more torque (in Nm) than 1978 Mazda 929. (160 Nm @ 2500 RPM). This means 1981 BMW 745 will have an easier job in driving up hills or pulling heavy equipment than 1978 Mazda 929.
Compare all specifications:
| 1981 BMW 745 | 1978 Mazda 929 | |
| Make | BMW | Mazda |
| Model | 745 | 929 |
| Year Released | 1981 | 1978 |
| Engine Position | Front | Front |
| Engine Size | 3430 cc | 1970 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 252 HP | 90 HP |
| Engine RPM | 5200 RPM | 4800 RPM |
| Torque | 380 Nm | 160 Nm |
| Torque RPM | 2200 RPM | 2500 RPM |
| Engine Bore Size | 92 mm | 80.1 mm |
| Engine Stroke Size | 86 mm | 98 mm |
| Engine Compression Ratio | 8.0:1 | 8.6:1 |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1590 kg | 1150 kg |
| Vehicle Length | 4870 mm | 4640 mm |
| Vehicle Width | 1810 mm | 1720 mm |
| Vehicle Height | 1440 mm | 1450 mm |
| Wheelbase Size | 2800 mm | 2620 mm |
